/* ============================================
   BCH Mining Pool — Stylesheet
   ============================================ */

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

:root {
    --bg: #080c14;
    --surface: #0f1520;
    --surface2: #151d2b;
    --surface3: #1a2436;
    --border: #1c2840;
    --border-hover: #2a3a55;
    --text: #e2e8f0;
    --text-dim: #5a6a82;
    --text-muted: #3d4e66;
    --accent: #e8a308;
    --accent-hover: #ca8f06;
    --accent-bg: rgba(232,163,8,0.08);
    --green: #0ecc83;
    --green-bg: rgba(14,204,131,0.1);
    --red: #ef4444;
    --red-bg: rgba(239,68,68,0.1);
    --blue: #3b82f6;
    --blue-bg: rgba(59,130,246,0.1);
    --orange: #f97316;
    --purple: #a855f7;
    --radius: 10px;
    --radius-sm: 6px;
    --sidebar-w: 260px;
    --font: 'Outfit', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', monospace;
}

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

/* ---- Layout ---- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-w);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
}
.logo-icon { font-size: 22px; }
.logo-text {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
}

.nav-section { margin-bottom: 16px; }
.nav-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    padding: 8px 12px 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: all 0.15s;
}
.nav-item:hover {
    color: var(--text);
    background: var(--surface2);
}
.nav-item.active {
    color: var(--accent);
    background: var(--accent-bg);
    font-weight: 500;
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--border);
}
.user-badge {
    display: flex;
    align-items: center;
    gap: 10px;
}
.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--accent-bg);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}
.user-name { font-size: 13px; font-weight: 500; }
.user-role { font-size: 11px; color: var(--text-dim); }

.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
}
.content-inner {
    padding: 28px 32px;
    max-width: 1280px;
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
}
.page-header h1 {
    font-size: 26px;
    font-weight: 600;
    letter-spacing: -0.5px;
}
.page-header .subtitle {
    color: var(--text-dim);
    font-size: 14px;
    margin-top: 2px;
}

/* ---- Cards & Stat boxes ---- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
}
.stat-card .stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.stat-card .stat-value {
    font-family: var(--mono);
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.5px;
}
.stat-card .stat-sub {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}
.stat-value.green { color: var(--green); }
.stat-value.accent { color: var(--accent); }
.stat-value.blue { color: var(--blue); }
.stat-value.red { color: var(--red); }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 24px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.card-header h3 {
    font-size: 16px;
    font-weight: 500;
}
.card-body { padding: 20px; }

/* ---- Tables ---- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th {
    text-align: left;
    padding: 10px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.015); }
.data-table .mono { font-family: var(--mono); font-size: 13px; }
.data-table .dim { color: var(--text-dim); }
.data-table .truncate { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.badge-green { background: var(--green-bg); color: var(--green); }
.badge-red { background: var(--red-bg); color: var(--red); }
.badge-blue { background: var(--blue-bg); color: var(--blue); }
.badge-yellow { background: var(--accent-bg); color: var(--accent); }
.badge-dim { background: rgba(255,255,255,0.05); color: var(--text-dim); }

/* ---- Forms ---- */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dim);
    margin-bottom: 6px;
}
.form-input, .form-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus { border-color: var(--accent); }
.form-hint { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--surface2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--border-hover); }
.btn-danger { background: var(--red-bg); color: var(--red); border-color: rgba(239,68,68,0.3); }
.btn-danger:hover { background: rgba(239,68,68,0.15); }
.btn-success { background: var(--green); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ---- Alerts ---- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
}
.alert-error, .alert-danger {
    background: var(--red-bg);
    border: 1px solid rgba(239,68,68,0.3);
    color: #fca5a5;
}
.alert-success {
    background: var(--green-bg);
    border: 1px solid rgba(14,204,131,0.3);
    color: #6ee7b7;
}
.alert-info {
    background: var(--blue-bg);
    border: 1px solid rgba(59,130,246,0.3);
    color: #93c5fd;
}

/* ---- Status indicators ---- */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.status-dot.online { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-dot.offline { background: var(--text-muted); }
.status-dot.error { background: var(--red); box-shadow: 0 0 6px var(--red); }

/* ---- Connect instructions ---- */
.code-block {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.7;
    overflow-x: auto;
    position: relative;
}
.code-block .copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    background: var(--surface3);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-dim);
    font-size: 11px;
    cursor: pointer;
}
.code-block .copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-dim);
}
.empty-state .icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--text); }
.empty-state p { font-size: 14px; margin-bottom: 20px; }

/* ---- Auth pages ---- */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(232,163,8,0.04) 0%, transparent 50%),
        var(--bg);
}
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    width: 100%;
    max-width: 420px;
}
.auth-card h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
    text-align: center;
}
.auth-card .auth-sub {
    color: var(--text-dim);
    font-size: 14px;
    text-align: center;
    margin-bottom: 28px;
}
.auth-card .auth-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-dim);
}
.auth-card .auth-link a { color: var(--accent); text-decoration: none; }
.auth-card .auth-link a:hover { text-decoration: underline; }

/* ---- Home page ---- */
.home-wrap {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(232,163,8,0.05) 0%, transparent 50%),
        var(--bg);
    text-align: center;
    padding: 40px;
}
.home-wrap h1 {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 12px;
}
.home-wrap h1 span { color: var(--accent); }
.home-wrap .home-sub {
    color: var(--text-dim);
    font-size: 18px;
    max-width: 500px;
    margin-bottom: 32px;
}
.home-buttons { display: flex; gap: 12px; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .content-inner { padding: 20px 16px; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; gap: 12px; }
}
@media (max-width: 640px) {
    .stat-grid { grid-template-columns: 1fr; }
}

/* ---- Utility ---- */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.text-dim { color: var(--text-dim); }
.text-sm { font-size: 13px; }
.text-mono { font-family: var(--mono); }
.text-right { text-align: right; }