/* Laravel Nano inspired theme */
:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: #dbeafe;
    --secondary: #6b7280;
    --secondary-hover: #4b5563;
    --success: #10b981;
    --success-hover: #059669;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --warning: #f59e0b;
    --warning-hover: #d97706;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --black: #000000;
    
    --border-radius: 0.5rem;
    --border-radius-sm: 0.25rem;
    --border-radius-lg: 0.75rem;
    --border-radius-full: 9999px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    font-size: 14px;
}

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
    margin: 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    /*display: flex;*/
    align-items: center;
    gap: 0.75rem;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.logo .subtitle {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

.nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--primary);
    background-color: var(--primary-light);
}

.nav-link.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.user-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--gray-200);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-name {
    font-weight: 500;
    color: var(--gray-700);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropdown-toggle:hover {
    color: var(--gray-900);
    background-color: var(--gray-200);
    border-color: var(--gray-400);
}

.dropdown-toggle svg {
    width: 16px;
    height: 16px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 12rem;
    padding: 0.5rem 0;
    display: none;
    z-index: 100;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.2s ease;
}

.dropdown-menu a:hover {
    background-color: var(--gray-50);
    color: var(--gray-900);
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--gray-600);
    font-size: 1rem;
}

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.4;
    word-break: keep-all;
    overflow-wrap: break-word;
    hyphens: auto;
}

.card-body {
    padding: 1.5rem;
}

/* Dashboard specific card improvements */
.dashboard-stat-card .card-body {
    padding: 1.25rem;
}

.dashboard-stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dashboard-stat-card .stat-icon svg {
    width: 24px;
    height: 24px;
    display: block;
    margin: 0 auto;
}

.dashboard-stat-card .stat-content {
    flex: 1;
    min-width: 0;
}

.dashboard-stat-card .stat-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    line-height: 1.3;
    margin-bottom: 0.25rem;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.dashboard-stat-card .stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

/* Widget card title improvements */
.widget-card .card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.3;
    word-break: keep-all;
    overflow-wrap: break-word;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.widget-card .card-header {
    padding: 1rem 1.25rem;
}

.widget-card .card-body {
    padding: 1rem 1.25rem;
}

/* Quick action improvements */
.quick-action-card {
    padding: 1rem;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.quick-action-card:hover {
    background-color: var(--gray-100) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.quick-action-card .action-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 0.75rem;
}

.quick-action-card .action-content {
    flex: 1;
    min-width: 0;
}

.quick-action-card .action-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.3;
    margin-bottom: 0.125rem;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.quick-action-card .action-description {
    font-size: 0.75rem;
    color: var(--gray-600);
    line-height: 1.3;
    word-break: keep-all;
    overflow-wrap: break-word;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background-color: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 0.5rem;
    min-height: 2.25rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    min-height: 1.75rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    min-height: 2.75rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-success {
    background-color: var(--success);
    color: var(--white);
    border-color: var(--success);
}

.btn-success:hover:not(:disabled) {
    background-color: var(--success-hover);
    border-color: var(--success-hover);
}

.btn-danger {
    background-color: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--danger-hover);
    border-color: var(--danger-hover);
}

.btn-warning {
    background-color: var(--warning);
    color: var(--white);
    border-color: var(--warning);
}

.btn-warning:hover:not(:disabled) {
    background-color: var(--warning-hover);
    border-color: var(--warning-hover);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--primary);
    color: var(--white);
}

.btn-outline {
    background-color: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--gray-900);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-success {
    background-color: #dcfce7;
    color: #166534;
}

.badge-danger {
    background-color: #fecaca;
    color: #991b1b;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-info {
    background-color: var(--primary-light);
    color: #1e40af;
}

.badge-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    line-height: 1.4;
}

.form-label.required::after {
    content: ' *';
    color: var(--danger);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-family: inherit;
    line-height: 1.5;
    transition: all 0.2s ease;
    background-color: var(--white);
    color: var(--gray-900);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1), 0 1px 2px 0 rgb(0 0 0 / 0.05);
    background-color: var(--white);
}

.form-control:hover:not(:focus):not(:disabled) {
    border-color: var(--gray-400);
}

.form-control:disabled {
    background-color: var(--gray-50);
    color: var(--gray-500);
    border-color: var(--gray-200);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-control::placeholder {
    color: var(--gray-400);
    opacity: 1;
}

.form-control.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1);
}

.form-control.is-valid {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgb(16 185 129 / 0.1);
}

/* Select Styling */
.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 3rem;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.form-select:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

/* Textarea Styling */
.form-textarea {
    resize: vertical;
    min-height: 6rem;
    font-family: inherit;
    line-height: 1.6;
}

/* Input Sizing */
.form-control-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    min-height: 2rem;
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1rem;
    min-height: 3rem;
}

/* Input Groups */
.input-group {
    display: flex;
    width: 100%;
    position: relative;
}

.input-group .form-control {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
}

.input-group .form-control:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-left: 0;
}

.input-group .form-control:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--gray-700);
    text-align: center;
    white-space: nowrap;
    background-color: var(--gray-50);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
}

.input-group > .input-group-text:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: 0;
}

.input-group > .input-group-text:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* Checkbox and Radio Styling */
.form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 1.75rem;
    margin-bottom: 0.5rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    margin-left: -1.75rem;
    vertical-align: top;
    background-color: var(--white);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: 2px solid var(--gray-300);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.form-check-input[type="checkbox"] {
    border-radius: var(--border-radius-sm);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:checked[type="checkbox"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3e%3cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3e%3c/svg%3e");
}

.form-check-input:checked[type="radio"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='white'/%3e%3c/svg%3e");
}

.form-check-input:disabled {
    pointer-events: none;
    filter: none;
    opacity: 0.5;
}

.form-check-label {
    color: var(--gray-700);
    font-size: 0.875rem;
    font-weight: 400;
    cursor: pointer;
    line-height: 1.5;
}

.form-check-input:disabled ~ .form-check-label {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Switch Styling */
.form-switch {
    padding-left: 2.5rem;
}

.form-switch .form-check-input {
    width: 2rem;
    margin-left: -2.5rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba%2875, 85, 99, 0.25%29'/%3e%3c/svg%3e");
    background-position: left center;
    border-radius: 2rem;
    transition: background-position 0.15s ease-in-out;
}

.form-switch .form-check-input:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba%2875, 85, 99, 0.25%29'/%3e%3c/svg%3e");
}

.form-switch .form-check-input:checked {
    background-position: right center;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='white'/%3e%3c/svg%3e");
}

/* File Input Styling */
.form-file {
    position: relative;
    display: inline-block;
    width: 100%;
}

.form-file-input {
    position: relative;
    z-index: 2;
    width: 100%;
    height: calc(2.75rem + 2px);
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

.form-file-label {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1;
    height: calc(2.75rem + 2px);
    padding: 0.75rem 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--gray-700);
    background-color: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-file-label::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    display: block;
    height: calc(2.75rem);
    padding: 0.75rem 1rem;
    line-height: 1.5;
    color: var(--gray-700);
    content: "参照";
    background-color: var(--gray-100);
    border-left: 2px solid var(--gray-300);
    border-radius: 0 calc(var(--border-radius) - 1px) calc(var(--border-radius) - 1px) 0;
    transition: all 0.2s ease;
}

.form-file:hover .form-file-label {
    border-color: var(--gray-400);
}

.form-file:hover .form-file-label::after {
    background-color: var(--gray-200);
}

.form-file-input:focus ~ .form-file-label {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* Form Help Text */
.form-help {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.4;
}

.form-help.text-danger {
    color: var(--danger);
}

.form-help.text-success {
    color: var(--success);
}

/* Form Validation Feedback */
.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--danger);
    line-height: 1.4;
}

.valid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--success);
    line-height: 1.4;
}

.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

.form-control.is-valid ~ .valid-feedback {
    display: block;
}

/* Form Row and Columns */
.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -0.75rem;
    margin-left: -0.75rem;
}

.form-row > .col,
.form-row > [class*="col-"] {
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

.form-inline {
    display: flex;
    flex-flow: row wrap;
    align-items: center;
    gap: 1rem;
}

.form-inline .form-group {
    display: flex;
    flex: 0 0 auto;
    flex-flow: row wrap;
    align-items: center;
    margin-bottom: 0;
    gap: 0.5rem;
}

/* Floating Labels */
.form-floating {
    position: relative;
}

.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 2px);
    line-height: 1.25;
    padding: 1rem 1rem 0.25rem;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem;
    pointer-events: none;
    border: 2px solid transparent;
    transform-origin: 0 0;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
    color: var(--gray-500);
    font-weight: 400;
}

.form-floating > .form-control::placeholder {
    color: transparent;
}

.form-floating > .form-control:focus,
.form-floating > .form-control:not(:placeholder-shown),
.form-floating > .form-select {
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Input Icons */
.form-control-icon {
    position: relative;
}

.form-control-icon .form-control {
    padding-left: 2.75rem;
}

.form-control-icon .form-icon {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
    z-index: 2;
}

.form-control-icon .form-control:focus ~ .form-icon {
    color: var(--primary);
}

/* Additional Form Input Classes */
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-family: inherit;
    line-height: 1.5;
    transition: all 0.2s ease;
    background-color: var(--white);
    color: var(--gray-900);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1), 0 1px 2px 0 rgb(0 0 0 / 0.05);
    background-color: var(--white);
}

.form-input:hover:not(:focus):not(:disabled),
.form-textarea:hover:not(:focus):not(:disabled),
.form-select:hover:not(:focus):not(:disabled) {
    border-color: var(--gray-400);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background-color: var(--gray-50);
    color: var(--gray-500);
    border-color: var(--gray-200);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
    opacity: 1;
}

.form-input[readonly] {
    background-color: var(--gray-50);
    color: var(--gray-600);
    cursor: default;
}

.form-textarea {
    resize: vertical;
    min-height: 6rem;
    font-family: inherit;
    line-height: 1.6;
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 3rem;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.form-select:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

/* Members Page Filter Styles */
.filters-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.filters-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.filter-group .form-select,
.filter-group .form-input {
    margin-bottom: 0;
}

/* Settings Page Specific Styles */
.settings-form .form-group {
    margin-bottom: 1.5rem;
}

.settings-form .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.settings-form .form-help {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.4;
}

/* Toggle Switch Improvements */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    transition: all 0.2s ease;
    border-radius: 24px;
    box-shadow: inset 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--white);
    transition: all 0.2s ease;
    border-radius: 50%;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
}

.toggle-switch:hover .toggle-slider {
    background-color: var(--gray-400);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1), inset 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

/* Radio and Checkbox Groups */
.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.radio-item,
.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: var(--white);
}

.radio-item:hover,
.checkbox-item:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.radio-item input:checked + .radio-label,
.checkbox-item input:checked + .checkbox-label {
    color: var(--primary-dark);
}

.radio-item input,
.checkbox-item input {
    margin: 0;
    margin-top: 0.125rem; /* テキストの1行目に合わせて微調整 */
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--gray-300);
    background-color: var(--white);
    transition: all 0.2s ease;
    cursor: pointer;
    flex-shrink: 0; /* サイズ固定 */
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.radio-item input[type="radio"] {
    border-radius: 50%;
}

.checkbox-item input[type="checkbox"] {
    border-radius: var(--border-radius-sm);
}

.radio-item input:focus,
.checkbox-item input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.radio-item input:checked,
.checkbox-item input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.radio-item input:checked[type="radio"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='white'/%3e%3c/svg%3e");
}

.checkbox-item input:checked[type="checkbox"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3e%3cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3e%3c/svg%3e");
}

.radio-label,
.checkbox-label {
    flex: 1;
    cursor: pointer;
    line-height: 1.5;
}

.radio-label strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--gray-900);
    font-weight: 600;
    line-height: 1.4;
}

.radio-label small {
    display: block;
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.4;
    margin-top: 0.25rem;
}

.checkbox-label {
    color: var(--gray-900);
    font-weight: 500;
    line-height: 1.5;
}

/* Settings page specific radio/checkbox improvements */
.settings-form .radio-item,
.settings-form .checkbox-item {
    align-items: flex-start;
    padding: 1.25rem;
    gap: 1rem;
}

.settings-form .radio-item input,
.settings-form .checkbox-item input {
    margin-top: 0.125rem; /* テキストベースラインに合わせる */
    flex-shrink: 0;
}

.settings-form .radio-label,
.settings-form .checkbox-label {
    line-height: 1.5;
}

.settings-form .radio-label strong {
    line-height: 1.4;
    margin-bottom: 0.375rem;
}

.settings-form .radio-label small {
    line-height: 1.4;
    margin-top: 0.25rem;
}

/* Ensure form styles override browser defaults */
input.form-input,
input.form-control,
textarea.form-textarea,
textarea.form-control,
select.form-select,
select.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-family: inherit;
    line-height: 1.5;
    transition: all 0.2s ease;
    background-color: var(--white);
    color: var(--gray-900);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

input.form-input:focus,
input.form-control:focus,
textarea.form-textarea:focus,
textarea.form-control:focus,
select.form-select:focus,
select.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1), 0 1px 2px 0 rgb(0 0 0 / 0.05);
    background-color: var(--white);
}

input.form-input:hover:not(:focus):not(:disabled),
input.form-control:hover:not(:focus):not(:disabled),
textarea.form-textarea:hover:not(:focus):not(:disabled),
textarea.form-control:hover:not(:focus):not(:disabled),
select.form-select:hover:not(:focus):not(:disabled),
select.form-control:hover:not(:focus):not(:disabled) {
    border-color: var(--gray-400);
}

select.form-select,
select.form-control {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 3rem;
    cursor: pointer;
}

select.form-select:focus,
select.form-control:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

textarea.form-textarea,
textarea.form-control {
    resize: vertical;
    min-height: 6rem;
    font-family: inherit;
    line-height: 1.6;
}

input.form-input::placeholder,
input.form-control::placeholder,
textarea.form-textarea::placeholder,
textarea.form-control::placeholder {
    color: var(--gray-400);
    opacity: 1;
}

input.form-input[readonly],
input.form-control[readonly] {
    background-color: var(--gray-50);
    color: var(--gray-600);
    cursor: default;
}

input.form-input:disabled,
input.form-control:disabled,
textarea.form-textarea:disabled,
textarea.form-control:disabled,
select.form-select:disabled,
select.form-control:disabled {
    background-color: var(--gray-50);
    color: var(--gray-500);
    border-color: var(--gray-200);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Specific overrides for members page filters */
.filters-section .form-select,
.filters-section .form-input,
.filters-section .form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300) !important;
    border-radius: var(--border-radius) !important;
    font-size: 0.875rem !important;
    font-family: inherit !important;
    line-height: 1.5 !important;
    transition: all 0.2s ease !important;
    background-color: var(--white) !important;
    color: var(--gray-900) !important;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05) !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
}

.filters-section .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e") !important;
    background-position: right 0.75rem center !important;
    background-repeat: no-repeat !important;
    background-size: 1.25em 1.25em !important;
    padding-right: 3rem !important;
    cursor: pointer !important;
}

.filters-section .form-select:focus,
.filters-section .form-input:focus,
.filters-section .form-control:focus {
    outline: none !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1), 0 1px 2px 0 rgb(0 0 0 / 0.05) !important;
    background-color: var(--white) !important;
}

.filters-section .form-select:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e") !important;
}

/* Settings page form overrides */
.settings-form input.form-input,
.settings-form textarea.form-textarea,
.settings-form select.form-select {
    width: 100%;
    padding: 0.75rem 1rem !important;
    border: 2px solid var(--gray-300) !important;
    border-radius: var(--border-radius) !important;
    font-size: 0.875rem !important;
    font-family: inherit !important;
    line-height: 1.5 !important;
    transition: all 0.2s ease !important;
    background-color: var(--white) !important;
    color: var(--gray-900) !important;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05) !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
}

.settings-form select.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e") !important;
    background-position: right 0.75rem center !important;
    background-repeat: no-repeat !important;
    background-size: 1.25em 1.25em !important;
    padding-right: 3rem !important;
    cursor: pointer !important;
}

.settings-form input.form-input:focus,
.settings-form textarea.form-textarea:focus,
.settings-form select.form-select:focus {
    outline: none !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1), 0 1px 2px 0 rgb(0 0 0 / 0.05) !important;
    background-color: var(--white) !important;
}

.settings-form select.form-select:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e") !important;
}

.settings-form textarea.form-textarea {
    resize: vertical !important;
    min-height: 6rem !important;
    font-family: inherit !important;
    line-height: 1.6 !important;
}

.settings-form input.form-input[readonly] {
    background-color: var(--gray-50) !important;
    color: var(--gray-600) !important;
    cursor: default !important;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border-color: #bbf7d0;
}

.alert-danger {
    background-color: #fecaca;
    color: #991b1b;
    border-color: #fca5a5;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-color: #fde68a;
}

.alert-info {
    background-color: var(--primary-light);
    color: #1e40af;
    border-color: #93c5fd;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 32rem;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    margin: 1rem;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close,
.close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    position: absolute;
    right: 1rem;
    top: 1rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.modal-close:hover,
.close:hover {
    color: var(--gray-600);
    background-color: var(--gray-100);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

/* Inquiry Modal Specific Styles */
#inquiry-modal .modal-content {
    padding: 2rem;
}

#inquiry-modal h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    padding-right: 2rem;
}

#inquiry-modal .form-group {
    margin-bottom: 1.5rem;
}

#inquiry-modal .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

#inquiry-modal .form-group input,
#inquiry-modal .form-group select,
#inquiry-modal .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background-color: var(--white);
    box-sizing: border-box;
}

#inquiry-modal .form-group input:focus,
#inquiry-modal .form-group select:focus,
#inquiry-modal .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

#inquiry-modal .form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

#inquiry-modal .btn-group {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

#inquiry-modal .btn-group .btn {
    min-width: 80px;
}

/* Modal Message Styles */
.modal-message {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.modal-message.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.modal-message.alert-error {
    background-color: #fecaca;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.modal-message.alert-info {
    background-color: var(--primary-light);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--gray-500);
}

.spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--gray-200);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Grid Layout System */
.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-cols-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.grid-cols-6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

/* Gap utilities */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Responsive Grid Classes */
@media (min-width: 768px) {
    .md\:grid-cols-1 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .md\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    
    .md\:grid-cols-5 {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
    
    .md\:grid-cols-6 {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-1 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-5 {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-6 {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

/* Container and Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.main {
    padding: 2rem 0;
    min-height: calc(100vh - 4rem);
}

/* Spacing utilities */
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }

/* Padding utilities */
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

/* Background colors */
.bg-gray-50 { background-color: var(--gray-50); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-gray-200 { background-color: var(--gray-200); }
.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-green-50 { background-color: #f0fdf4; }
.bg-green-100 { background-color: #dcfce7; }
.bg-red-100 { background-color: #fee2e2; }
.bg-yellow-100 { background-color: #fef3c7; }
.bg-purple-100 { background-color: #f3e8ff; }

/* Text colors */
.text-blue-600 { color: #2563eb; }
.text-green-600 { color: #16a34a; }
.text-red-600 { color: #dc2626; }
.text-yellow-600 { color: #ca8a04; }
.text-purple-600 { color: #9333ea; }

/* Border radius */
.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: var(--border-radius-full); }

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-base { font-size: 1rem; }

.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-900 { color: var(--gray-900); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.flex { display: flex; }
.flex-1 { flex: 1 1 0%; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

/* Hover and transition utilities */
.transition-colors { transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease; }
.transition-all { transition: all 0.2s ease; }

.hover\:bg-gray-50:hover { background-color: var(--gray-50); }
.hover\:bg-gray-100:hover { background-color: var(--gray-100); }
.hover\:bg-blue-100:hover { background-color: #dbeafe; }
.hover\:bg-green-100:hover { background-color: #dcfce7; }

.cursor-pointer { cursor: pointer; }

/* Width and height utilities */
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.h-6 { height: 1.5rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }

/* Border utilities */
.border { border: 1px solid var(--gray-200); }
.border-gray-200 { border-color: var(--gray-200); }
.border-blue-200 { border-color: #bfdbfe; }
.border-green-200 { border-color: #bbf7d0; }
.border-yellow-200 { border-color: #fde68a; }

/* Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.project-card__media {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--gray-100);
}

.project-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-card__media img {
    transform: scale(1.05);
}

.project-card__content {
    padding: 1.5rem;
}

.project-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card__description {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card__meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-card__meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.project-card__meta-icon {
    width: 16px;
    color: var(--gray-500);
}

.project-card__owner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 0;
    border-top: 1px solid var(--gray-200);
    margin-top: 1rem;
}

.project-card__owner-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
}

.project-card__owner-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card__owner-name {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.project-card__footer {
    padding: 1rem 1.5rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.project-card__recruitment {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-card__slack {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--gray-600);
    background: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--gray-200);
}

.project-card__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.project-card__actions .btn {
    flex: 1;
    min-width: auto;
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
}

.project-card__actions .btn i {
    margin-right: 0.25rem;
}

/* Status badges for project cards */
.project-card__status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

.project-card__status.status-active {
    color: #166534;
    background: rgba(220, 252, 231, 0.95);
}

.project-card__status.status-planning {
    color: var(--gray-700);
    background: rgba(243, 244, 246, 0.95);
}

.project-card__status.status-completed {
    color: #1e40af;
    background: rgba(224, 231, 255, 0.95);
}

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Empty state */
.projects-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-600);
}

.projects-empty i {
    font-size: 4rem;
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.projects-empty h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.projects-empty p {
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Loading state */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--gray-600);
}

.loading.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .header-container {
        padding: 0 1rem;
    }
    
    .nav {
        display: none;
    }
    
    .table-container {
        border-radius: var(--border-radius);
        border: 1px solid var(--gray-200);
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .btn {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .btn-sm {
        font-size: 0.625rem;
        padding: 0.25rem 0.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card__actions {
        flex-direction: column;
    }
    
    .project-card__actions .btn {
        flex: none;
    }
}