/* ============================================================
   BT-BBS Dashboard Styles
   ============================================================ */
:root {
    --bg:        #0c0c0c;
    --bg-card:   #161616;
    --bg-card-h: #1e1e1e;
    --fg:        #cccccc;
    --fg-dim:    #888888;
    --accent:    #4fc3f7;      /* concept blue  */
    --accent-h:  #29b6f6;
    --accent-orange: #ff9800;  /* concept orange */
    --accent-orange-h: #ffb74d;
    --danger:    #ef5350;
    --success:   #66bb6a;
    --warning:   #ffa726;
    --radius:    6px;
    --font-mono: "Cascadia Mono", "Fira Code", "SF Mono", "Consolas", monospace;
    --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--fg);
    background: var(--bg);
    line-height: 1.6;
}

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

/* --- Layout --- */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Navbar --- */
.navbar {
    background: #111;
    border-bottom: 1px solid #222;
    padding: 0.6rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.nav-brand {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent) !important;
    letter-spacing: 0.05em;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.nav-links a { color: var(--fg-dim); font-size: 0.9rem; }
.nav-links a:hover { color: var(--fg); }

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.user-name {
    color: var(--fg);
    font-size: 0.85rem;
}

/* --- Avatar --- */
.avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    vertical-align: middle;
}
.avatar-lg { width: 64px; height: 64px; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.2rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
    font-family: inherit;
    line-height: 1.4;
}
.btn-primary {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); color: #000; }
.btn-secondary { background: #333; color: var(--fg); border-color: #444; }
.btn-secondary:hover { background: #444; }
.btn-outline { background: transparent; color: var(--fg-dim); border-color: #444; }
.btn-outline:hover { color: var(--fg); border-color: #666; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #d32f2f; }
.btn-sm { padding: 0.3rem 0.8rem; font-size: 0.8rem; }
.btn-lg { padding: 0.7rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-link {
    background: none;
    border: none;
    color: var(--fg-dim);
    padding: 0;
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
}
.btn-link:hover { color: var(--fg); }

.icon { vertical-align: -2px; }

/* --- Forms --- */
.form-stack { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
.form-group label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--fg);
}
.required { color: var(--danger); }
.form-hint { font-size: 0.78rem; color: var(--fg-dim); }
.form-actions {
    display: flex;
    gap: 0.8rem;
    justify-content: flex-end;
    padding-top: 0.5rem;
}

.input {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: var(--radius);
    padding: 0.55rem 0.8rem;
    color: var(--fg);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
}
.input:focus { border-color: var(--accent); }
textarea.input { resize: vertical; }
select.input { appearance: auto; }

.input-prefix-group {
    display: flex;
    align-items: stretch;
}
.input-prefix {
    background: #222;
    border: 1px solid #333;
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    padding: 0.55rem 0.6rem;
    color: var(--fg-dim);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
}
.input-prefix-group .input {
    border-radius: 0 var(--radius) var(--radius) 0;
    flex: 1;
}

/* --- Alerts --- */
.alert {
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    border: 1px solid;
}
.alert-error { background: #2d1515; border-color: #5c2020; color: #ef9a9a; }
.alert-success { background: #152d17; border-color: #205c23; color: #a5d6a7; }
.alert-warning { background: #2d2415; border-color: #5c4520; color: #ffe0b2; }
.alert-info { background: #152530; border-color: #204560; color: #b3e5fc; }

/* --- Badges --- */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-active { background: #1b3a1e; color: var(--success); }
.badge-suspended { background: #3a1b1b; color: var(--danger); }
.badge-archived { background: #2a2a1a; color: var(--warning); }

/* --- Hero (Landing) --- */
.hero {
    text-align: center;
    padding: 4rem 1.5rem 3rem;
}
.hero-inner { max-width: 700px; margin: 0 auto; }
.hero-ascii {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.05;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: 1.5rem;
    user-select: none;
    overflow-x: auto;
    white-space: pre;
    text-shadow: 0 0 8px rgba(79, 195, 247, 0.4);
}
.hero h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}
.hero-sub {
    color: var(--fg-dim);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.8rem;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* --- Features (Landing) --- */
.features {
    padding: 2rem 1.5rem 3rem;
}
.feature-grid {
    max-width: 960px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.2rem;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid #222;
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: border-color 0.15s;
}
.feature-card:hover { border-color: #444; }
.feature-icon { font-size: 1.8rem; margin-bottom: 0.6rem; }
.feature-card h3 { font-size: 1rem; margin-bottom: 0.3rem; }
.feature-card p { color: var(--fg-dim); font-size: 0.85rem; }

/* --- Public BBS (Landing) --- */
.public-bbs {
    padding: 0 1.5rem 3rem;
    max-width: 960px;
    margin: 0 auto;
}
.public-bbs h2 { margin-bottom: 1rem; font-size: 1.3rem; }
.bbs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.bbs-grid .bbs-card { text-decoration: none; color: inherit; }
.bbs-grid .bbs-card:hover { border-color: var(--accent); }
.bbs-url {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--fg-dim);
}

/* --- Dashboard --- */
.dashboard {
    padding: 2rem 0;
}
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}
.section-header h2 { font-size: 1.3rem; }

.bbs-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.dashboard-card {
    background: var(--bg-card);
    border: 1px solid #222;
    border-radius: var(--radius);
    padding: 1.2rem 1.5rem;
    transition: border-color 0.15s;
}
.dashboard-card:hover { border-color: #444; }
.bbs-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.4rem;
}
.bbs-card-header h3 { font-size: 1.05rem; }
.bbs-description {
    color: var(--fg-dim);
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
}
.bbs-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.bbs-actions { display: flex; gap: 0.5rem; }

/* --- Empty state --- */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--fg-dim);
}
.empty-state p { margin-bottom: 1rem; }

/* --- Loading --- */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--fg-dim);
}

/* --- Register --- */
.register-page, .create-page {
    display: flex;
    justify-content: center;
    padding: 3rem 1.5rem;
}
.register-card, .create-card {
    background: var(--bg-card);
    border: 1px solid #222;
    border-radius: var(--radius);
    padding: 2rem;
    width: 100%;
    max-width: 480px;
}
.register-card h2, .create-card h2 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}
.oauth-preview {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #111;
    border-radius: var(--radius);
}
.oauth-preview p { margin-top: 0.3rem; }

/* --- Admin --- */
.admin-page { padding: 2rem 0; }
.admin-page h2 { margin-bottom: 1.5rem; font-size: 1.3rem; }
.admin-section {
    background: var(--bg-card);
    border: 1px solid #222;
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.admin-section h3 { font-size: 1.05rem; }

/* --- Table --- */
.table-wrap { overflow-x: auto; }
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 0.8rem;
}
.table th, .table td {
    padding: 0.5rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid #222;
}
.table th {
    font-weight: 600;
    color: var(--fg-dim);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.table td { vertical-align: middle; }
.text-center { text-align: center; }
.text-muted { color: var(--fg-dim); font-size: 0.9rem; }

/* --- Terminal fullscreen --- */
.terminal-fullscreen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 200;
    background: var(--bg);
}
/* When inside layout, override main padding */
body:has(.terminal-fullscreen) .navbar,
body:has(.terminal-fullscreen) .footer { display: none; }
body:has(.terminal-fullscreen) .container { max-width: none; padding: 0; }

/* --- Footer --- */
.footer {
    padding: 1.5rem 0;
    border-top: 1px solid #1a1a1a;
    text-align: center;
    color: var(--fg-dim);
    font-size: 0.78rem;
    margin-top: auto;
}

/* Utility */
.inline { display: inline; }

/* --- Responsive --- */
@media (max-width: 600px) {
    .hero-ascii { font-size: 0.42rem; letter-spacing: 0.03em; }
    .hero h1 { font-size: 1.4rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .nav-links { gap: 0.6rem; }
    .user-name { display: none; }
    .section-header { flex-wrap: wrap; gap: 0.5rem; }
}