:root {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --primary-color: #0A9854;
    --primary-hover: #075f35;
    --border-color: #e2e8f0;
    --header-bg: #0A9854;
    --header-text: #ffffff;
    --footer-bg: #0A9854;
    --footer-text: white;
    --radius: 8px;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-brand .logo {
    width: 36px;
    height: 36px;
    background-color: var(--primary-color);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #ffffff;
}

.header-brand h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-item {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius);
    transition: background-color 0.2s, color 0.2s;
}

.nav-item:hover,
.nav-item.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: 0.75rem;
    padding-left: 0.75rem;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-user-name {
    font-size: 0.85rem;
    color: #cbd5e1;
}

/* Main Content Area */
.main-container {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

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

.page-header-compact {
    margin-bottom: 1rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.card h2,
.card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* Form Styles */
.form-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    max-width: 650px;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: #ffffff;
    font-size: 0.95rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group-root {
    margin-bottom: 1.25rem;
}

.form-group-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.form-group-inline label {
    margin-bottom: 0;
    cursor: pointer;
}

.form-checkbox {
    width: 18px;
    height: 18px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 600;
}

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.char-counter {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    text-align: right;
    color: var(--text-secondary);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.form-card-detail {
    margin: 0;
    max-width: 100%;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.card-title {
    font-size: 1.35rem;
    margin-bottom: 0.25rem;
}

.card-subtitle {
    font-size: 0.85rem;
}

.is-hidden {
    display: none;
}

[hidden] {
    display: none !important;
}

/* Alerts */
.alert {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
}

.alert-danger {
    background-color: #fee2e2;
    border: 1px solid #ef4444;
    color: #b91c1c;
}

.alert-success {
    background-color: #dcfce7;
    border: 1px solid #22c55e;
    color: #166534;
}

.alert-prominent {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

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

.btn-secondary {
    background-color: #e2e8f0;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: #cbd5e1;
}

.btn-small {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
    margin-top: 0.5rem;
}

.btn-danger-outline {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    color: #dc2626;
}

.btn-logout {
    padding: 0.25rem 0.65rem;
    font-size: 0.8rem;
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-logout:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.htmx-indicator {
    opacity: 0;
    transition: opacity 0.2s ease-in;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    opacity: 1;
}

/* Tables */
.table-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow-x: auto;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th {
    background-color: #f1f5f9;
    padding: 0.85rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background-color: #f8fafc;
}

.history-content {
    max-width: 480px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.pagination-status {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Split View Layout (Master-Detail) */
.split-layout {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    width: 100%;
    margin-top: 1rem;
}

.split-sidebar {
    width: 340px;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.split-sidebar-header {
    padding: 1rem;
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.split-sidebar-header h3 {
    font-size: 1rem;
    color: var(--text-primary);
}

.split-list {
    max-height: 600px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.split-list-item {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.15s ease;
    text-decoration: none;
    color: var(--text-primary);
}

.split-list-item:hover {
    background-color: #f1f5f9;
}

.split-list-item.active {
    background-color: #e6f6ee;
    border-left: 4px solid var(--primary-color);
    font-weight: 600;
}

.split-list-item-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.split-list-item:last-child {
    border-bottom: none;
}

.split-detail {
    flex: 1;
    min-width: 0;
}

/* Badges and empty states */
.badge {
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.badge-neutral {
    background: #e2e8f0;
    color: var(--text-secondary);
}

.badge-primary {
    background: #e6f6ee;
    color: var(--primary-color);
}

.empty-state {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Login */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
}

.login-card {
    width: 100%;
    max-width: 400px;
    margin: auto;
}

.login-heading {
    margin-bottom: 1.5rem;
    text-align: center;
}

.login-title {
    font-size: 1.4rem;
    font-weight: 700;
}

.login-error {
    margin-bottom: 1rem;
}

.login-error .alert {
    margin-bottom: 0;
}

/* Footer */
.footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
    padding: 1.5rem;
    font-size: 0.875rem;
    margin-top: auto;
}