:root {
    --color-bg: #f5f2eb;
    --color-surface: #ffffff;
    --color-primary: #4a6741;
    --color-primary-dark: #3a5234;
    --color-primary-light: #e8efe6;
    --color-text: #2c2c2c;
    --color-text-muted: #6b6b6b;
    --color-border: #e0dcd3;
    --color-error: #b33a3a;
    --color-error-bg: #fdeaea;
    --color-success: #2d6a3e;
    --color-success-bg: #e8f5ec;
    --color-warning: #8a6d1a;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --header-height: 56px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow);
}

.header-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.brand {
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    white-space: nowrap;
}

.brand:hover {
    text-decoration: none;
    opacity: 0.9;
}

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 1.25rem;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
}

.site-nav.open {
    display: flex;
}

.site-nav a {
    color: #fff;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 1rem;
}

.site-nav a:hover,
.site-nav a.active {
    background: rgba(255, 255, 255, 0.15);
    text-decoration: none;
}

.nav-user {
    color: rgba(255, 255, 255, 0.7);
    padding: 8px 16px;
    font-size: 0.875rem;
}

.nav-logout {
    color: rgba(255, 255, 255, 0.85) !important;
}

@media (min-width: 640px) {
    .nav-toggle {
        display: none;
    }

    .site-nav {
        display: flex;
        position: static;
        flex-direction: row;
        align-items: center;
        background: transparent;
        padding: 0;
        box-shadow: none;
        gap: 4px;
    }

    .site-nav a {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .nav-user {
        padding: 0 8px;
    }
}

/* Main */
.main-content {
    flex: 1;
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
    padding: 20px 16px calc(24px + var(--safe-bottom));
}

.site-footer {
    text-align: center;
    padding: 16px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--color-border);
}

/* Typography */
h1 {
    font-size: 1.5rem;
    margin: 0 0 4px;
    line-height: 1.3;
}

h2 {
    font-size: 1.15rem;
    margin: 0 0 12px;
}

h3 {
    font-size: 1rem;
    margin: 0 0 8px;
    color: var(--color-text-muted);
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
}

.page-subtitle {
    color: var(--color-text-muted);
    margin: 0;
    font-size: 0.9rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

/* Cards */
.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    margin-bottom: 16px;
}

.section-block {
    margin-top: 20px;
}

/* Auth */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100dvh - var(--header-height) - 80px);
    padding: 20px 0;
}

.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 32px 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.auth-icon {
    font-size: 3rem;
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--color-text-muted);
    margin: 0 0 24px;
}

.auth-hint {
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Forms */
.form-group {
    margin-bottom: 16px;
    text-align: left;
}

.form-row {
    display: grid;
    gap: 16px;
}

@media (min-width: 480px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--color-text);
    -webkit-appearance: none;
    appearance: none;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin: 6px 0 0;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 400;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    min-height: 44px;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.form-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.status-select {
    flex: 1;
    min-width: 140px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.15s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
    color: #fff;
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border);
    text-decoration: none;
}

.btn-danger {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid #f0c0c0;
}

.btn-danger:hover {
    background: #f5d0d0;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
    min-height: 36px;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid #f0c0c0;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid #b8dfc4;
}

/* Prayer cards */
.prayer-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.prayer-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
}

.prayer-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
}

.prayer-card h2 {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.3;
}

.prayer-card h2 a {
    color: var(--color-text);
    text-decoration: none;
}

.prayer-card h2 a:hover {
    color: var(--color-primary);
}

.prayer-excerpt {
    color: var(--color-text-muted);
    margin: 0 0 10px;
    font-size: 0.9rem;
}

.prayer-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-ongoing {
    background: #cce5ff;
    color: #004085;
}

.status-answered {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.status-closed {
    background: #e9ecef;
    color: #495057;
}

/* Group tags */
.group-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.group-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.cross-group-tag {
    display: inline-block;
    padding: 3px 10px;
    background: #fff3cd;
    color: #856404;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.groups-summary {
    margin-bottom: 20px;
}

.groups-summary h2 {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Prayer detail */
.prayer-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.prayer-detail-header h1 {
    font-size: 1.35rem;
}

.prayer-content-block {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.prayer-content-block.translation {
    background: var(--color-bg);
    margin: 16px -20px 0;
    padding: 16px 20px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.prayer-text {
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

/* Responses */
.response-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.response-item {
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 14px;
}

.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 0.85rem;
}

.response-header time {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.response-form {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.empty-state .btn {
    margin-top: 16px;
}

/* Admin */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 16px 12px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.admin-nav {
    padding: 0;
    overflow: hidden;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    min-height: 72px;
}

.admin-nav-link:last-child {
    border-bottom: none;
}

.admin-nav-link:hover {
    background: var(--color-bg);
    text-decoration: none;
}

.admin-nav-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.admin-nav-link p {
    margin: 2px 0 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.user-list,
.group-list,
.prayer-admin-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.user-card-header,
.prayer-admin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}

.role-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 8px;
    vertical-align: middle;
}

.role-admin {
    background: #cce5ff;
    color: #004085;
}

.role-user {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.inline-form {
    display: inline;
}

.group-card-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.prayer-admin-card h3 {
    margin: 0;
    font-size: 1rem;
}

.prayer-admin-card h3 a {
    color: var(--color-text);
}

/* Touch improvements */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .checkbox-label,
    .site-nav a {
        min-height: 44px;
    }
}