/* RD Support Portal – Modern theme */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: #e0e7ff;
    --color-accent: #0ea5e9;
    --color-bg: #f1f5f9;
    --color-bg-subtle: #e2e8f0;
    --color-card: #ffffff;
    --color-border: #cbd5e1;
    --color-border-focus: #6366f1;
    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-success: #059669;
    --color-success-bg: #d1fae5;
    --color-error: #dc2626;
    --color-error-bg: #fee2e2;
    --color-warning: #d97706;
    --color-warning-bg: #fef3c7;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    padding: 12px 20px;
    background: var(--color-primary);
    color: #fff;
    z-index: 9999;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: top var(--transition);
}
.skip-link:focus {
    top: 12px;
    left: 12px;
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}
.container-wide {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}
.container-header {
    max-width: 1120px;
}

/* Header */
.site-header {
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.brand {
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition), transform var(--transition);
}
.brand:hover {
    color: var(--color-primary-hover);
    text-decoration: none;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-card);
    color: var(--color-text);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}
.nav-toggle:hover,
.nav-toggle:focus {
    background: var(--color-bg);
    border-color: var(--color-primary);
    outline: none;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon-close { display: block; }
.nav-toggle[aria-expanded="false"] .nav-toggle-icon-open { display: block; }
.nav-toggle[aria-expanded="false"] .nav-toggle-icon-close { display: none; }

.main-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}
.main-nav a {
    color: var(--color-text);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
}
.main-nav a:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
    text-decoration: none;
}
.main-nav a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}
.main-nav .user-name {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    padding: 8px 12px;
}
.lang-switcher a {
    font-size: 0.875rem;
    padding: 6px 10px;
}
.lang-switcher a.active {
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-card);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }
    .site-header.nav-open .main-nav {
        display: flex;
    }
    .main-nav a {
        width: 100%;
        padding: 12px 16px;
        text-align: center;
    }
    .main-nav .user-name { text-align: center; }
    .lang-switcher { display: flex; gap: 8px; justify-content: center; }
}

.main-content {
    min-height: 60vh;
    padding: 32px 0;
}
.page-home .main-content {
    padding-top: 0;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #4f46e5 50%, #3730a3 100%);
    color: #fff;
    padding: 56px 0 64px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}
.hero .container-wide {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
}
@media (min-width: 900px) {
    .hero .container-wide {
        grid-template-columns: 1.2fr 1fr;
    }
}
.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0 0 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}
.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    margin: 0 0 28px;
    max-width: 480px;
    line-height: 1.6;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.hero-actions .btn-lg {
    padding: 14px 26px;
    font-size: 1rem;
}
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-card-preview {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 32px 40px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-lg);
}
.hero-card-icon {
    font-size: 2rem;
    opacity: 0.95;
}
.hero-card-text {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: 56px 0 64px;
}
.section-alt {
    background: var(--color-bg-subtle);
}
.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--color-text);
    text-align: center;
}
.section-lead {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto 40px;
    font-size: 1.05rem;
}

/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.feature-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: box-shadow var(--transition-slow), border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}
.feature-icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius);
    font-size: 1.25rem;
    margin-bottom: 16px;
}
.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 8px;
    color: var(--color-text);
}
.feature-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.55;
}

/* CTA block */
.section-cta .cta-block {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}
.cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--color-text);
}
.cta-text {
    color: var(--color-text-muted);
    margin: 0 0 24px;
    font-size: 1.05rem;
}

/* Buttons */
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.8);
}
.btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    color: #fff;
}
.btn-lg {
    padding: 14px 26px;
    font-size: 1rem;
}

.site-footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.85);
    margin-top: 0;
}
.footer-inner {
    padding: 48px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 32px 48px;
}
.footer-heading {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 16px;
    color: rgba(255, 255, 255, 0.95);
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition);
}
.footer-links a:hover {
    color: #fff;
    text-decoration: none;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 20px 0;
}
.footer-copy {
    margin: 0;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
}

/* Cards */
.card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--color-border);
    transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.card:hover {
    box-shadow: var(--shadow-md);
}
.card h2 {
    margin-top: 0;
    font-size: 1.25rem;
    font-weight: 600;
}
.card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0;
}
.card-centered {
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}
.form-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}
.form-footer a {
    font-weight: 500;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--color-text);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    max-width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}
.form-group textarea {
    min-height: 140px;
    resize: vertical;
}
.form-group input[type="file"] {
    padding: 10px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}
.form-group input[type="file"]:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    background: var(--color-primary);
    color: #fff;
    font-family: inherit;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}
.btn:active {
    transform: translateY(0);
}
.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}
.btn-secondary {
    background: var(--color-text-muted);
    color: #fff;
}
.btn-secondary:hover {
    background: var(--color-text);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    animation: alertIn 0.3s ease;
}
@keyframes alertIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
.alert-success {
    background: var(--color-success-bg);
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.alert-error {
    background: var(--color-error-bg);
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Ticket list */
.ticket-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.ticket-list li {
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
    transition: background var(--transition);
}
.ticket-list li:last-child {
    border-bottom: none;
}
.ticket-list li:hover {
    background: var(--color-bg);
}
.ticket-list a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}
.ticket-list a:hover {
    color: var(--color-primary-hover);
    text-decoration: none;
}
.ticket-meta {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: transform var(--transition);
}
.badge:hover {
    transform: scale(1.02);
}
.badge-open { background: #dbeafe; color: #1d4ed8; }
.badge-in_progress { background: #fef3c7; color: #b45309; }
.badge-waiting_customer { background: #e0e7ff; color: #4338ca; }
.badge-resolved { background: #d1fae5; color: #047857; }
.badge-closed { background: #f1f5f9; color: #475569; }
.badge-low { background: #f1f5f9; color: #475569; }
.badge-medium { background: #dbeafe; color: #1d4ed8; }
.badge-high { background: #fef3c7; color: #b45309; }
.badge-urgent { background: #fee2e2; color: #b91c1c; }

/* Replies */
.reply {
    padding: 16px;
    border-radius: var(--radius);
    margin-bottom: 14px;
    border-left: 4px solid var(--color-border);
    background: var(--color-bg);
    transition: box-shadow var(--transition);
}
.reply:hover {
    box-shadow: var(--shadow);
}
.reply.staff {
    border-left-color: var(--color-primary);
    background: var(--color-primary-light);
}
.reply-header {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 10px;
    font-weight: 500;
}
.reply-body {
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.6;
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 24px;
}
.filters .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
}
.filters .btn:not(.btn-secondary) {
    background: var(--color-primary);
}

/* Table */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
th {
    font-weight: 600;
    background: var(--color-bg);
    color: var(--color-text);
}
tr:hover {
    background: var(--color-bg);
}
tr:last-child td {
    border-bottom: none;
}
table a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}
table a:hover {
    color: var(--color-primary-hover);
    text-decoration: none;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-muted);
}
.empty-state a {
    color: var(--color-primary);
    font-weight: 600;
}

/* Pagination */
.pagination {
    display: flex;
    gap: 8px;
    margin-top: 24px;
    flex-wrap: wrap;
}
.pagination a,
.pagination span {
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: background var(--transition), border-color var(--transition);
}
.pagination a:hover {
    background: var(--color-bg);
    border-color: var(--color-primary);
}
.pagination .current {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Hero / home CTA block */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}
.hero-actions .btn + .btn {
    margin-left: 0;
}

/* Links in content */
.main-content a:not(.btn):not(.badge) {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}
.main-content a:not(.btn):not(.badge):hover {
    color: var(--color-primary-hover);
    border-bottom-color: var(--color-primary-hover);
}

/* Page titles */
.main-content > .container > h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}