:root {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface-alt: #232736;
    --border: #2e3346;
    --text: #e8eaf0;
    --text-muted: #8b90a5;
    --accent: #5b8def;
    --accent-hover: #7ba3f7;
    --success: #4ade80;
    --warning: #fbbf24;
    --danger: #f87171;
    --radius: 8px;
}

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

body {
    font-family: 'IBM Plex Sans', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.container-wide { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

h1 { font-size: 1.5rem; font-weight: 600; margin-bottom: 0.5rem; }
h2 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--accent); }
h3 { font-size: 1rem; font-weight: 600; }

/* Header */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header .logo { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; }
.header .logo span { color: var(--accent); }
.header .meta { color: var(--text-muted); font-size: 0.85rem; }

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

/* Forms */
input, select, button {
    font-family: inherit;
    font-size: 0.9rem;
}
input[type="number"], input[type="text"], input[type="password"] {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    width: 100%;
    transition: border-color 0.2s;
}
input:focus { outline: none; border-color: var(--accent); }

button {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-success { background: var(--success); color: #000; }
.btn-success:hover { opacity: 0.9; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-small { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* Deal Table */
.deal-table {
    width: 100%;
    border-collapse: collapse;
}
.deal-table th {
    text-align: left;
    padding: 0.5rem;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}
.deal-table td {
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.deal-table tr:last-child td { border-bottom: none; }
.deal-table .input-cell { width: 140px; }
.deal-table .input-cell input { width: 120px; }
.deal-table .input-cell-equity { width: 80px; }
.deal-table .input-cell-equity input { width: 65px; }
.deal-table .points-cell { text-align: right; font-weight: 600; min-width: 90px; }
.deal-table .status-cell { width: 160px; text-align: center; }

/* Total row */
.deal-table .total-row td {
    border-top: 2px solid var(--accent);
    font-weight: 700;
    padding-top: 0.75rem;
}

/* Status badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-proposed { background: rgba(251,191,36,0.15); color: var(--warning); }
.badge-confirmed { background: rgba(74,222,128,0.15); color: var(--success); }
.badge-rejected { background: rgba(248,113,113,0.15); color: var(--danger); }
.badge-change { background: rgba(91,141,239,0.15); color: var(--accent); }

/* Notification popup */
.notification-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.notification-card {
    background: var(--surface);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 420px;
    width: 90%;
    animation: fadeIn 0.2s;
}
@keyframes fadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
.notification-card h3 { margin-bottom: 1rem; color: var(--accent); }
.notification-card .deal-info { margin-bottom: 1rem; padding: 0.75rem; background: var(--bg); border-radius: var(--radius); }
.notification-card .actions { display: flex; gap: 0.5rem; justify-content: flex-end; }

/* Budget bar */
.budget-bar {
    height: 6px;
    background: var(--bg);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.5rem;
}
.budget-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.3s;
}

/* Login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    width: 380px;
    max-width: 90%;
}
.login-card h1 { text-align: center; margin-bottom: 1.5rem; }
.login-card .field { margin-bottom: 1rem; }
.login-card label { display: block; margin-bottom: 0.3rem; color: var(--text-muted); font-size: 0.85rem; }
.login-card button { width: 100%; margin-top: 0.5rem; }

/* Admin */
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 768px) { .admin-grid { grid-template-columns: 1fr; } }

.admin-summary-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
}
.admin-summary-table th, .admin-summary-table td {
    padding: 0.4rem 0.6rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.9rem;
}
.admin-summary-table th { color: var(--text-muted); font-weight: 500; }

/* Tabs */
.tabs { display: flex; gap: 0.25rem; margin-bottom: 1rem; }
.tab {
    padding: 0.5rem 1rem;
    border-radius: var(--radius) var(--radius) 0 0;
    background: var(--surface-alt);
    color: var(--text-muted);
    cursor: pointer;
    border: 1px solid var(--border);
    border-bottom: none;
    font-weight: 500;
}
.tab.active { background: var(--surface); color: var(--accent); }

/* Responsive */
@media (max-width: 640px) {
    .deal-table { font-size: 0.85rem; }
    .deal-table .input-cell input { width: 90px; }
    .deal-table .input-cell-equity input { width: 55px; }
    .container { padding: 0.75rem; }
    .card { overflow-x: auto; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }