/* =========================================================
   BTC-Compakta Access Portal — Stylesheet
   ========================================================= */

:root {
    --bg: #0f1117;
    --bg-card: #181c27;
    --bg-input: #1e2333;
    --border: #2a2f42;
    --border-light: #353b52;
    --text: #e4e6f0;
    --text-muted: #6b7280;
    --text-sm: #9aa0b0;
    --accent: #3d80f5;
    --accent-hover: #5494ff;
    --success: #22c55e;
    --warn: #f59e0b;
    --danger: #ef4444;
    --admin: #a855f7;
    --radius: 8px;
    --radius-sm: 5px;
    --shadow: 0 2px 12px rgba(0,0,0,0.4);
    --nav-h: 56px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --mono: 'Cascadia Code', 'Consolas', 'Courier New', monospace;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
}

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

/* ---- Navbar ---- */
.navbar {
    position: sticky; top: 0; z-index: 100;
    height: var(--nav-h);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 24px; gap: 24px;
}
.nav-brand { display: flex; align-items: center; gap: 8px; margin-right: 12px; }
.brand-icon { font-size: 20px; color: var(--accent); }
.brand-text { font-size: 16px; font-weight: 700; letter-spacing: -0.3px; }
.brand-accent { color: var(--accent); }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-link {
    padding: 6px 12px; border-radius: var(--radius-sm);
    color: var(--text-sm); font-size: 13.5px; transition: all 0.15s;
}
.nav-link:hover { background: var(--bg-input); color: var(--text); text-decoration: none; }
.nav-link.active { background: rgba(61,128,245,0.12); color: var(--accent); }
.nav-admin { color: var(--admin) !important; }
.nav-admin.active { background: rgba(168,85,247,0.12) !important; color: var(--admin) !important; }
.nav-user { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.user-name { color: var(--text-sm); font-size: 13px; }
.btn-logout {
    font-size: 12px; color: var(--text-muted);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 4px 10px; transition: all 0.15s;
}
.btn-logout:hover { color: var(--danger); border-color: var(--danger); text-decoration: none; }

/* ---- Main ---- */
.main-content {
    max-width: 1080px;
    margin: 0 auto;
    padding: 28px 24px 60px;
}

/* ---- Flash ---- */
.flash-container { margin-bottom: 20px; }
.flash {
    padding: 10px 14px; border-radius: var(--radius);
    margin-bottom: 8px; font-size: 13.5px;
    border-left: 3px solid;
}
.flash-success { background: rgba(34,197,94,0.1); border-color: var(--success); color: #86efac; }
.flash-error { background: rgba(239,68,68,0.1); border-color: var(--danger); color: #fca5a5; }
.flash-warning { background: rgba(245,158,11,0.1); border-color: var(--warn); color: #fcd34d; }
.flash-info { background: rgba(61,128,245,0.1); border-color: var(--accent); color: #93c5fd; }

/* ---- Page header ---- */
.page-header {
    display: flex; align-items: flex-end; gap: 16px;
    margin-bottom: 24px; flex-wrap: wrap;
}
.page-header h2 { font-size: 20px; font-weight: 600; }
.page-subtitle { color: var(--text-muted); font-size: 13px; flex: 1; }
.page-header .btn { margin-left: auto; }

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px;
}
.card-header h3 { font-size: 15px; font-weight: 600; }
.card-success { border-color: rgba(34,197,94,0.3); background: rgba(34,197,94,0.05); }
.card-info { border-color: rgba(61,128,245,0.25); background: rgba(61,128,245,0.05); }
.card-empty {
    text-align: center; padding: 48px 24px;
    border-style: dashed;
}
.empty-icon { font-size: 36px; margin-bottom: 12px; display: block; }
.card-empty h3 { margin-bottom: 8px; }
.card-empty p { color: var(--text-muted); margin-bottom: 20px; }
.empty-msg { color: var(--text-muted); padding: 16px; text-align: center; }

/* ---- Stats ---- */
.stats-row { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 24px;
    flex: 1; min-width: 120px;
    text-align: center;
}
.stat-value { font-size: 28px; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ---- Tables ---- */
.table { width: 100%; border-collapse: collapse; }
.table th {
    text-align: left; padding: 8px 12px;
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13.5px;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,0.02); }
.row-disabled td { opacity: 0.5; }
.row-used td { opacity: 0.6; }

/* ---- Badges ---- */
.badge {
    display: inline-block;
    padding: 2px 8px; border-radius: 20px;
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.4px;
}
.badge-online { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-offline { background: rgba(239,68,68,0.12); color: #f87171; }
.badge-admin { background: rgba(168,85,247,0.15); color: #c084fc; }
.badge-user { background: rgba(61,128,245,0.1); color: #93c5fd; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: var(--radius-sm);
    font-size: 13.5px; font-weight: 500;
    cursor: pointer; border: none; transition: all 0.15s;
    text-decoration: none !important;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-outline {
    background: transparent; color: var(--text);
    border: 1px solid var(--border-light);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-success { background: rgba(34,197,94,0.15); color: var(--success); }
.btn-success:hover { background: rgba(34,197,94,0.25); }
.btn-danger { background: rgba(239,68,68,0.1); color: #f87171; }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-full { width: 100%; justify-content: center; }

/* ---- Forms ---- */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; margin-bottom: 5px;
    font-size: 12.5px; font-weight: 500; color: var(--text-sm);
}
input[type=text], input[type=email], input[type=password], select, textarea {
    width: 100%; padding: 9px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); font-size: 13.5px;
    transition: border-color 0.15s; outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
input::placeholder { color: var(--text-muted); }

.inline-form {
    display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}
.inline-form input, .inline-form select {
    flex: 1; min-width: 140px;
}
.checkbox-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 13px; color: var(--text); cursor: pointer;
    white-space: nowrap;
}
.checkbox-label input[type=checkbox] { width: auto; }

/* ---- Code blocks ---- */
.code-block {
    background: #0a0d14;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    margin: 10px 0;
    overflow-x: auto;
}
.code-label { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; }
.code-copy-wrap { display: flex; align-items: center; gap: 8px; }
.code-copy-wrap code { flex: 1; font-family: var(--mono); font-size: 12.5px; color: #a5f3fc; }
code { font-family: var(--mono); font-size: 12.5px; color: #a5f3fc; }
.btn-copy {
    flex-shrink: 0; padding: 3px 10px; font-size: 11px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-sm); cursor: pointer;
    transition: all 0.15s;
}
.btn-copy:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Alerts ---- */
.alert { padding: 10px 14px; border-radius: var(--radius-sm); margin: 12px 0; font-size: 13px; }
.alert-warn { background: rgba(245,158,11,0.1); border-left: 3px solid var(--warn); color: #fcd34d; }

/* ---- Quick actions ---- */
.quick-actions h3 { margin-bottom: 12px; font-size: 15px; }
.action-grid { display: flex; gap: 12px; flex-wrap: wrap; }
.action-card {
    flex: 1; min-width: 180px;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 18px 16px;
    display: flex; flex-direction: column; gap: 4px;
    transition: border-color 0.15s; text-decoration: none !important;
}
.action-card:hover { border-color: var(--accent); }
.action-icon { font-size: 22px; margin-bottom: 4px; }
.action-title { font-size: 14px; font-weight: 600; color: var(--text); }
.action-desc { font-size: 12px; color: var(--text-muted); }

/* ---- Devices ---- */
.device-row { display: flex; align-items: center; gap: 8px; }
.device-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.dot-online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-offline { background: #4b5563; }
.device-name { font-weight: 500; }

/* ---- Download buttons ---- */
.download-grid { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0 20px; }
.download-btn {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: 14px 22px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text);
    font-size: 13px; font-weight: 500;
    transition: all 0.15s; text-decoration: none !important;
}
.download-btn:hover { border-color: var(--accent); color: var(--accent); }
.dl-icon { font-size: 22px; }

/* ---- Guide steps ---- */
.guide-steps { padding-left: 20px; }
.guide-steps li { margin-bottom: 20px; }
.guide-steps strong { display: block; margin-bottom: 4px; font-size: 14px; }

/* ---- Tabs (guide) ---- */
.guide-tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 0; }
.tab-btn {
    padding: 7px 14px; background: none; border: none;
    color: var(--text-muted); font-size: 13px; cursor: pointer;
    border-bottom: 2px solid transparent; margin-bottom: -1px;
    transition: all 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---- Admin nav ---- */
.admin-nav { display: flex; gap: 4px; margin-bottom: 20px; }
.admin-tab {
    padding: 6px 14px; border-radius: var(--radius-sm);
    color: var(--text-muted); font-size: 13.5px;
    transition: all 0.15s; text-decoration: none;
}
.admin-tab:hover { background: var(--bg-input); color: var(--text); text-decoration: none; }
.admin-tab.active { background: rgba(168,85,247,0.12); color: var(--admin); }

/* ---- Invite tokens ---- */
.invite-token-link { cursor: pointer; color: var(--accent); font-family: var(--mono); font-size: 12.5px; }
.copy-hint { font-size: 11px; color: var(--text-muted); font-family: var(--font); }
.invite-note {
    background: rgba(61,128,245,0.08); border: 1px solid rgba(61,128,245,0.2);
    border-radius: var(--radius-sm); padding: 8px 12px;
    font-size: 13px; margin-bottom: 16px;
}
.invite-badge {
    background: var(--accent); color: #fff;
    font-size: 10px; font-weight: 700; padding: 2px 6px;
    border-radius: 3px; text-transform: uppercase;
}

/* ---- Auth page ---- */
body.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
body.auth-page .main-content { width: 100%; max-width: 420px; padding: 20px; }
.auth-container { width: 100%; }
.auth-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 36px 32px;
    box-shadow: var(--shadow);
}
.auth-logo { text-align: center; margin-bottom: 28px; }
.logo-hex { font-size: 36px; color: var(--accent); display: block; margin-bottom: 8px; }
.auth-logo h1 { font-size: 22px; font-weight: 700; }
.auth-logo .accent { color: var(--accent); }
.auth-subtitle { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.auth-form { margin-top: 8px; }
.auth-footer { text-align: center; margin-top: 20px; font-size: 12.5px; color: var(--text-muted); }

/* ---- Utilities ---- */
.mono { font-family: var(--mono); font-size: 12.5px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 12.5px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .navbar { padding: 0 14px; gap: 10px; }
    .nav-links { display: none; }
    .main-content { padding: 20px 14px 40px; }
    .stats-row { flex-direction: column; }
    .action-grid { flex-direction: column; }
    .inline-form { flex-direction: column; }
    .inline-form input, .inline-form select { min-width: unset; }
}