/* ═══════════════════════════════════════════════════════════════════
   LW Support — Main Stylesheet
   ═══════════════════════════════════════════════════════════════════ */

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

:root {
    --primary:       #0693e3;
    --primary-light: #38b6f5;
    --primary-dark:  #0577c5;
    --primary-bg:    #E8F4FD;
    --success:       #10B981;
    --success-bg:    #D1FAE5;
    --warning:       #F59E0B;
    --warning-bg:    #FEF3C7;
    --danger:        #EF4444;
    --danger-bg:     #FEE2E2;
    --bg:            #F8FAFC;
    --card:          #FFFFFF;
    --border:        #E2E8F0;
    --text:          #0F172A;
    --text-muted:    #64748B;
    --text-light:    #94A3B8;
    --radius-sm:     8px;
    --radius-md:     12px;
    --radius-lg:     20px;
    --header-h:      60px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
}

a { color: var(--primary); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--primary-dark); }

/* ─── HEADER ──────────────────────────────────────────────────────── */
header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 200;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    line-height: 1;
    flex-shrink: 0;
}
.logo svg { display: block; }
.logo:hover { text-decoration: none; }

.logo-sub {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: lowercase;
    border-left: 1px solid var(--border);
    padding-left: 0.75rem;
    line-height: 1.3;
}
.logo-sub strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

nav { display: flex; align-items: center; gap: 1.75rem; }
nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.15s;
}
nav a:hover { color: var(--text); text-decoration: none; }
nav a.active { color: var(--primary); }

.nav-controls { display: flex; align-items: center; gap: 0.75rem; margin-left: 0.5rem; }

.lang-switch { display: flex; gap: 4px; background: var(--bg); border-radius: 6px; padding: 2px; border: 1px solid var(--border); }
.lang-btn { padding: 4px 10px; border: none; background: transparent; color: var(--text-muted); font-size: 12px; font-weight: 600; border-radius: 4px; cursor: pointer; transition: all 0.2s; text-decoration: none; display: inline-block; min-height: 28px; line-height: 20px; }
.lang-btn:hover { color: var(--text); }
.lang-btn.active { background: var(--primary); color: #fff; }

.burger {
    display: none;
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.burger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 1px;
    transition: all 0.2s;
}

/* ─── BUTTONS ─────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.15s;
    white-space: nowrap;
    line-height: 1.4;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; color: #fff; }
.btn-ghost { background: transparent; border: none; color: var(--text-muted); padding: 0.3rem 0.5rem; }
.btn-ghost:hover { color: var(--text); }
.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.7rem 1.6rem; font-size: 1rem; }

/* ─── HERO ────────────────────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 3.5rem 1.5rem 2rem;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 1.4rem;
}
.hero-badge .dot { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; }
.hero h1 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: 1rem;
}
.hero h1 .gradient {
    background: linear-gradient(135deg, var(--primary) 0%, #0577c5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto 2.5rem;
}

/* ─── CONTAINER ───────────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 2rem; flex: 1; }
.container-sm { max-width: 600px; margin: 0 auto; padding: 2rem; flex: 1; }
.container-md { max-width: 800px; width: 100%; margin: 0 auto; padding: 2rem; flex: 1; }

/* ─── CARDS ───────────────────────────────────────────────────────── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}
.card-hover:hover {
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border-color: var(--primary);
    cursor: pointer;
}

/* ─── FORMS ───────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.4rem;
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.15s;
    line-height: 1.5;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(6, 147, 227, 0.1);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-hint { font-size: 0.75rem; color: var(--text-light); margin-top: 0.25rem; }
.form-error { font-size: 0.8rem; color: var(--danger); margin-top: 0.3rem; }

.hnpt { position: absolute; left: -9999px; }

/* ─── BADGES ──────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.65rem;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.badge-open     { background: var(--primary-bg); color: var(--primary); }
.badge-replied  { background: var(--warning-bg); color: #92400E; }
.badge-answered { background: var(--success-bg); color: #065F46; }
.badge-closed   { background: #F1F5F9; color: var(--text-light); }

.badge-feature     { background: var(--primary-bg); color: var(--primary); }
.badge-fix         { background: var(--danger-bg); color: var(--danger); }
.badge-improvement { background: var(--success-bg); color: #065F46; }

.badge-operational { background: var(--success-bg); color: var(--success); }
.badge-degraded    { background: var(--warning-bg); color: #92400E; }
.badge-outage      { background: var(--danger-bg); color: var(--danger); }

/* ─── ALERTS ──────────────────────────────────────────────────────── */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}
.alert-success { background: var(--success-bg); color: #065F46; border: 1px solid #A7F3D0; }
.alert-error   { background: var(--danger-bg); color: #991B1B; border: 1px solid #FECACA; }
.alert-warning { background: var(--warning-bg); color: #92400E; border: 1px solid #FDE68A; }
.alert-info    { background: var(--primary-bg); color: var(--primary-dark); border: 1px solid #BAE6FD; }

/* ─── TICKET LIST ─────────────────────────────────────────────────── */
.ticket-list { display: flex; flex-direction: column; gap: 0.75rem; }
.ticket-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.15s;
    text-decoration: none;
    color: var(--text);
}
.ticket-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    color: var(--text);
}
.ticket-id { font-size: 0.8rem; color: var(--text-light); font-weight: 600; min-width: 40px; }
.ticket-body { flex: 1; min-width: 0; }
.ticket-subject { font-weight: 600; font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ticket-meta { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.15rem; }
.ticket-right { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }

/* ─── FILTERS ─────────────────────────────────────────────────────── */
.filters { display: flex; gap: 0.5rem; margin-bottom: 1.25rem; flex-wrap: wrap; align-items: center; }
.filter-btn {
    padding: 0.4rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--card);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ─── CHAT ────────────────────────────────────────────────────────── */
.chat { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.5rem; }
.chat-msg {
    max-width: 75%;
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-md);
    line-height: 1.55;
}
.chat-msg-user {
    align-self: flex-start;
    background: var(--card);
    border: 1px solid var(--border);
}
.chat-msg-support {
    align-self: flex-end;
    background: var(--primary-bg);
    border: 1px solid rgba(6, 147, 227, 0.15);
}
.chat-sender {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}
.chat-text { font-size: 0.9rem; white-space: pre-wrap; word-break: break-word; }
.chat-time { font-size: 0.7rem; color: var(--text-light); margin-top: 0.35rem; text-align: right; }

/* ─── FAQ ─────────────────────────────────────────────────────────── */
.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    scroll-margin-top: calc(var(--header-h) + 1rem);
}
.faq-question {
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    user-select: none;
}
.faq-question:hover { color: var(--primary); }
.faq-arrow {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.2s;
    color: var(--text-light);
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
    padding: 0 1.25rem 1rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    display: none;
}
.faq-item.open .faq-answer { display: block; }

.faq-category-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    margin: 2rem 0 0.75rem;
}
.faq-category-title:first-child { margin-top: 0; }

/* ─── STATUS ──────────────────────────────────────────────────────── */
.status-overview {
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.status-ok    { background: var(--success-bg); color: #065F46; border: 1px solid #A7F3D0; }
.status-warn  { background: var(--warning-bg); color: #92400E; border: 1px solid #FDE68A; }
.status-bad   { background: var(--danger-bg); color: #991B1B; border: 1px solid #FECACA; }

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.status-dot-ok   { background: var(--success); }
.status-dot-warn { background: var(--warning); }
.status-dot-bad  { background: var(--danger); }

.service-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
}
.service-row:last-child { border-bottom: none; }
.service-name { font-weight: 600; font-size: 0.9rem; display: flex; align-items: center; gap: 0.5rem; }

/* ─── CHANGELOG ───────────────────────────────────────────────────── */
.changelog-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}
.changelog-item:last-child { border-bottom: none; }
.changelog-date {
    font-size: 0.78rem;
    color: var(--text-light);
    min-width: 80px;
    flex-shrink: 0;
    padding-top: 0.15rem;
}
.changelog-body { flex: 1; }
.changelog-title { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.25rem; }
.changelog-text { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
.changelog-version { font-size: 0.72rem; color: var(--text-light); font-family: 'Courier New', monospace; }

/* ─── SECTION HEADERS ─────────────────────────────────────────────── */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}
.section-title {
    font-size: 1.15rem;
    font-weight: 700;
}
.section-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* ─── GRID ────────────────────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }

/* ─── HOME FEATURES ───────────────────────────────────────────────── */
.feat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.15s;
}
.feat-card:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 12px rgba(6, 147, 227, 0.08);
}
.feat-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.feat-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.35rem; }
.feat-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

/* ─── LOGIN ───────────────────────────────────────────────────────── */
.login-card {
    max-width: 420px;
    margin: 3rem auto;
    text-align: center;
}
.login-card .card { padding: 2rem; }
.login-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.login-title { font-size: 1.3rem; font-weight: 800; margin-bottom: 0.35rem; }
.login-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.5rem; }

/* ─── FOOTER ──────────────────────────────────────────────────────── */
footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 1.5rem 2rem;
    margin-top: auto;
}
.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-muted);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-muted); font-size: 0.78rem; }
.footer-links a:hover { color: var(--text); }

/* ─── EMPTY STATE ─────────────────────────────────────────────────── */
.empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}
.empty-icon { font-size: 2rem; margin-bottom: 0.75rem; opacity: 0.5; }
.empty-title { font-weight: 600; font-size: 1rem; margin-bottom: 0.35rem; color: var(--text); }
.empty-desc { font-size: 0.85rem; }

/* ─── PAGE TITLE ──────────────────────────────────────────────────── */
.page-header { margin-bottom: 1.5rem; }
.page-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.page-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

/* ─── THEME TOGGLE ────────────────────────────────────────────────── */
.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.15s;
}
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); }
.icon-sun, .icon-moon { width: 16px; height: 16px; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun, :not([data-theme="dark"]) .icon-sun { display: none; }
[data-theme="dark"] .icon-sun { display: block; }

/* ─── RESPONSIVE ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
    header { padding: 0 1rem; }
    .burger { display: flex; }
    nav {
        display: none;
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--card);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.5rem;
        border-top: 1px solid var(--border);
        z-index: 199;
    }
    nav.open { display: flex; }
    nav a { padding: 0.75rem 0; font-size: 1rem; }
    nav .nav-controls { margin-left: 0; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }

    .container, .container-sm, .container-md { padding: 1.25rem; }
    .hero { padding: 2rem 1rem 1.5rem; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .chat-msg { max-width: 90%; }
    .footer-inner { flex-direction: column; gap: 0.75rem; text-align: center; }
    .ticket-item { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .ticket-right { width: 100%; justify-content: space-between; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.6rem; }
    .filters { gap: 0.35rem; }
    .filter-btn { padding: 0.35rem 0.75rem; font-size: 0.75rem; }
}

/* ── CAPTCHA ── */
.lw-captcha-wrap { margin-top: 0.25rem; }
.lw-captcha-inner {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    background: var(--bg-card);
}
.lw-captcha-label {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    text-align: center;
}
.lw-captcha-label b { color: var(--text); }
.lw-captcha-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}
.lw-cap-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s, background 0.15s;
    color: var(--text);
    background: var(--bg);
}
.lw-cap-icon:hover {
    border-color: var(--accent);
    transform: scale(1.08);
}
.lw-cap-icon.selected {
    border-color: #22c55e;
    background: rgba(34,197,94,0.08);
}
.lw-cap-icon.wrong {
    border-color: #ef4444;
    animation: lw-cap-shake 0.4s;
}
@keyframes lw-cap-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-4px); }
    40% { transform: translateX(4px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(3px); }
}
.lw-cap-popup {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #ef4444;
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.85rem;
    z-index: 9999;
    animation: lw-cap-fadein 0.3s;
}
@keyframes lw-cap-fadein {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}