@font-face {
    font-family: 'Striker';
    src: url('Striker.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2233;
    --bg-card-hover: #1f2a3d;
    --text-primary: #e8ecf1;
    --text-secondary: #8892a4;
    --text-muted: #5a6477;
    --accent: #099dd7;
    --accent-hover: #0bb5f0;
    --accent-dim: rgba(9, 157, 215, 0.1);
    --accent-glow: rgba(9, 157, 215, 0.15);
    --border: #1e293b;
    --border-light: #2a3548;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #22c55e;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* Header */
.support-header {
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.support-header .container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
}

.logo-icon { width: 32px; height: 32px; }
.logo .accent { color: var(--accent); }
.logo .ltd { font-weight: 400; font-size: 0.75em; color: var(--text-muted); }

.logo-text {
    font-family: 'Striker', sans-serif;
    letter-spacing: 0.02em;
}

.header-nav a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-left: 1.5rem;
}

.header-nav a:hover { color: var(--text-primary); }

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.card-body { padding: 1.5rem; }

/* Forms */
.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: border-color var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { min-height: 120px; resize: vertical; }

.form-text { color: var(--text-muted); font-size: 0.8rem; margin-top: 0.3rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

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

.btn-accent:hover {
    background: var(--accent-hover);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent-dim);
    color: var(--accent);
}

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

.btn-success:hover { filter: brightness(1.1); }

.btn-warning {
    background: var(--warning);
    color: #000;
}

.btn-warning:hover { filter: brightness(1.1); }

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

/* Layout */
.row { display: flex; flex-wrap: wrap; gap: 1rem; }
.col-md-6 { flex: 1; min-width: 280px; }
.col-md-12 { width: 100%; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1.5rem; }

/* Alert */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    border: 1px solid;
}

.alert-info {
    background: var(--accent-dim);
    color: var(--accent);
    border-color: rgba(9, 157, 215, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.2);
}

/* Ticket Thread */
.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.ticket-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.badge-secondary {
    background: rgba(90, 100, 119, 0.15);
    color: var(--text-muted);
}

.message-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    overflow: hidden;
}

.message-block.admin { border-left: 3px solid var(--accent); }
.message-block.customer { border-left: 3px solid var(--success); }

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.sender-name { font-weight: 600; font-size: 0.9rem; }
.timestamp { font-size: 0.8rem; color: var(--text-muted); }

.message-body {
    padding: 1.25rem;
    white-space: pre-wrap;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.message-body img {
    max-width: 300px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-top: 0.75rem;
}

.reply-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.system-event {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

/* PIN Lock */
.pin-lock {
    max-width: 400px;
    margin: 4rem auto;
    text-align: center;
}

.pin-lock h4 { margin-bottom: 0.5rem; }

.pin-lock .form-control {
    text-align: center;
    font-size: 1.25rem;
    letter-spacing: 0.3em;
    padding: 0.85rem;
}

.pin-error {
    color: var(--danger);
    margin-top: 0.75rem;
    font-size: 0.85rem;
    display: none;
}

/* Footer */
.support-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 0;
    text-align: center;
    margin-top: 3rem;
}

.support-footer p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Grid helpers */
.gap-4 { gap: 1.5rem; }

/* Responsive */
@media (max-width: 640px) {
    .row { flex-direction: column; }
    .col-md-6 { min-width: 100%; }
    .ticket-header { flex-direction: column; align-items: flex-start; }
    .support-header .container { flex-wrap: wrap; gap: 0.5rem; }
    .header-nav { width: 100%; text-align: center; }
    .header-nav a { margin: 0 0.75rem; }
}