:root {
    /* Tactical Obsidian Palette */
    --bg-obsidian: #08090C;
    --surface-slate: #11141A;
    --surface-hover: #1A1F28;
    --border-subtle: #1F242E;
    --border-focus: #F59E0B;
    --text-primary: #E2E8F0;
    --text-muted: #64748B;
    --accent-signal: #F59E0B; /* Янтарный для действий */
    --state-active: #10B981;  /* Изумрудный для статуса */
    --state-inactive: #EF4444;
    
    /* Typography */
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-data: 'JetBrains Mono', 'Fira Code', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    font-family: var(--font-ui);
    background-color: var(--bg-obsidian);
    color: var(--text-primary);
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

/* === TYPOGRAPHY & DATA === */
.mono, .data-val {
    font-family: var(--font-data);
    font-size: 0.8rem;
    font-variant-numeric: tabular-nums; /* Ключевая фишка: цифры ровные */
    color: var(--text-primary);
}
.text-muted { color: var(--text-muted); font-size: 0.75rem; }
.text-accent { color: var(--accent-signal); }

/* === LAYOUT & HEADER === */
.header {
    background: var(--bg-obsidian);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}
.header-inner {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
    text-decoration: none;
}
.logo img { width: 28px; height: 28px; border-radius: 4px; }

.nav { display: flex; gap: 2px; background: var(--surface-slate); padding: 4px; border-radius: 6px; border: 1px solid var(--border-subtle); }
.nav a {
    padding: 6px 16px;
    border-radius: 4px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.8rem;
    transition: all 0.2s;
}
.nav a:hover { color: var(--text-primary); }
.nav a.active { background: var(--bg-obsidian); color: var(--text-primary); box-shadow: 0 1px 2px rgba(0,0,0,0.2); }

.stats { display: flex; gap: 1.5rem; }
.stat-item { display: flex; flex-direction: column; align-items: flex-end; }
.stat-label { font-size: 0.65rem; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.05em; }
.stat-value { font-family: var(--font-data); font-size: 0.9rem; color: var(--text-primary); }

/* === CONTAINER & CONTROLS === */
.container { max-width: 1440px; margin: 0 auto; padding: 2rem; }

.controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: center;
}
.form-box {
    display: flex;
    gap: 0.5rem;
    background: var(--surface-slate);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 4px;
    flex: 1;
    max-width: 600px;
}
input, select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 8px 12px;
    font-size: 0.85rem;
    font-family: var(--font-ui);
    outline: none;
}
input::placeholder { color: var(--text-muted); }
select { cursor: pointer; border-left: 1px solid var(--border-subtle); border-radius: 0 4px 4px 0; background: var(--bg-obsidian); }

.btn-primary {
    background: var(--accent-signal);
    color: #000;
    border: none;
    border-radius: 4px;
    padding: 8px 20px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.btn-primary:hover { background: #FBBF24; transform: translateY(-1px); }

/* === DATA TABLE (The Signature Element) === */
.table-wrap {
    background: var(--surface-slate);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    overflow: hidden;
}
table { width: 100%; border-collapse: collapse; }
th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    font-weight: 600;
}
td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.85rem;
    vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr.data-row { transition: background 0.15s; cursor: pointer; }
tr.data-row:hover { background: var(--surface-hover); }

/* Status Indicator */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-data);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--state-inactive);
}
.status-dot.active {
    background: var(--state-active);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.15);
}

/* Protocol Badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: var(--font-data);
    font-size: 0.7rem;
    font-weight: 600;
    border: 1px solid transparent;
}
.badge.awg { background: rgba(16, 185, 129, 0.1); color: #34D399; border-color: rgba(16, 185, 129, 0.2); }
.badge.vless { background: rgba(245, 158, 11, 0.1); color: #FBBF24; border-color: rgba(245, 158, 11, 0.2); }
.badge.hysteria { background: rgba(59, 130, 246, 0.1); color: #60A5FA; border-color: rgba(59, 130, 246, 0.2); }

/* === MODAL === */
.modal {
    position: fixed; inset: 0;
    background: rgba(8, 9, 12, 0.85);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
}
.modal.active { display: flex; }
.modal-box {
    background: var(--surface-slate);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.modal-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}
.modal-head h2 { font-size: 0.95rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.close-btn { background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer; }
.close-btn:hover { color: var(--text-primary); }

.modal-body { padding: 20px; }
.data-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.data-item { display: flex; flex-direction: column; gap: 4px; }
.data-label { font-size: 0.65rem; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.05em; }
.data-value { font-family: var(--font-data); font-size: 0.85rem; color: var(--text-primary); }

.modal-actions { display: flex; gap: 8px; padding: 16px 20px; border-top: 1px solid var(--border-subtle); background: var(--bg-obsidian); border-radius: 0 0 8px 8px; }
.btn-action {
    flex: 1; padding: 10px; border-radius: 4px; font-size: 0.8rem; font-weight: 600; cursor: pointer; text-align: center; transition: 0.2s; border: 1px solid var(--border-subtle); background: var(--surface-slate); color: var(--text-primary);
}
.btn-action:hover { background: var(--surface-hover); border-color: var(--text-muted); }
.btn-action.danger { color: var(--state-inactive); border-color: rgba(239, 68, 68, 0.3); }
.btn-action.danger:hover { background: rgba(239, 68, 68, 0.1); border-color: var(--state-inactive); }

/* === TOAST === */
.toast {
    position: fixed; bottom: 24px; right: 24px;
    background: var(--surface-slate);
    border: 1px solid var(--accent-signal);
    color: var(--accent-signal);
    padding: 12px 20px;
    border-radius: 6px;
    font-family: var(--font-data);
    font-size: 0.8rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transform: translateY(100px); opacity: 0; transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.show { transform: translateY(0); opacity: 1; }

/* Mobile adjustments */
@media (max-width: 768px) {
    .header { padding: 0 1rem; }
    .container { padding: 1rem; }
    .controls { flex-direction: column; align-items: stretch; }
    .form-box { max-width: 100%; flex-direction: column; }
    select { border-left: none; border-top: 1px solid var(--border-subtle); border-radius: 4px; }
    .data-grid { grid-template-columns: 1fr; }
}
/* =========================================
   LOGIN PAGE SPECIFIC (Tactical Obsidian)
   ========================================= */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
    background-color: var(--bg-obsidian);
}
.login-body::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 40%, rgba(245, 158, 11, 0.08), transparent 60%);
    z-index: 0;
}
.login-box {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
    padding: 2.5rem 2rem;
    background: var(--surface-slate);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
}
.login-box .logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}
.login-box .logo img {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
}
.login-box h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.login-box .sub {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 2rem;
}
.login-box .input-group {
    margin-bottom: 1rem;
    text-align: left;
}
.login-box label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.login-box input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-obsidian);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s;
}
.login-box input:focus {
    border-color: var(--accent-signal);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
}
.login-box .btn {
    width: 100%;
    padding: 0.85rem;
    margin-top: 1rem;
    border: none;
    border-radius: 6px;
    background: var(--accent-signal);
    color: #000;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s;
}
.login-box .btn:hover {
    background: #fbbf24;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25);
}
.login-box .error {
    color: var(--state-inactive);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-size: 0.8rem;
    font-family: var(--font-data);
}
/* === TG USER DETAIL LOGS SPECIFIC === */
.logs { 
    max-height: 500px; 
    overflow-y: auto; 
    border-radius: 0 0 6px 6px; 
    background: rgba(0, 0, 0, 0.2); 
}
.log-row { 
    display: grid; 
    grid-template-columns: 160px 180px 1fr; 
    gap: 1rem; 
    padding: 0.8rem 1.5rem; 
    border-bottom: 1px solid var(--border-subtle); 
    font-size: 0.85rem; 
    transition: background 0.15s; 
}
.log-row:last-child { border-bottom: none; }
.log-row:hover { background: var(--surface-hover); }
.log-row.head { 
    font-size: 0.7rem; 
    text-transform: uppercase; 
    color: var(--text-muted); 
    font-weight: 700; 
    border-bottom: 1px solid var(--border-subtle); 
    background: var(--surface-slate); 
    position: sticky; 
    top: 0; 
    z-index: 10;
}
.log-row .time { 
    font-family: var(--font-data); 
    color: var(--text-muted); 
    font-size: 0.8rem; 
}
.log-row .action { 
    font-weight: 600; 
    color: var(--accent-signal); 
    font-family: var(--font-data); 
    font-size: 0.8rem; 
    text-transform: uppercase;
}
.log-row .details { 
    color: var(--text-primary); 
    word-break: break-word; 
    font-family: var(--font-data); 
}

/* Mobile adaptation for logs */
@media (max-width: 768px) {
    .log-row { 
        grid-template-columns: 1fr; 
        gap: 0.3rem; 
        padding: 1rem 1.5rem; 
    }
    .log-row.head { display: none; }
    .log-row .action { color: var(--accent-signal); margin-top: 4px; }
    .log-row .time { font-size: 0.7rem; }
}