:root {
    --bg: #0b1020;
    --card: rgba(21, 30, 56, 0.72);
    --card-border: rgba(255, 255, 255, 0.12);
    --text: #e8eeff;
    --muted: #a8b5d8;
    --primary: #6ea8fe;
    --primary-2: #7d7bff;
    --ok: #37d39a;
    --warn: #ffcb6b;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

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

body {
    min-height: 100vh;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(900px 500px at 15% -10%, rgba(125, 123, 255, 0.35), transparent 60%),
        radial-gradient(700px 450px at 100% 0%, rgba(110, 168, 254, 0.25), transparent 55%),
        var(--bg);
    padding: 28px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: 26px;
}

.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(8px);
}

.auth {
    max-width: 420px;
    margin: 0 auto;
    padding: 28px;
}

.auth h1 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--muted);
    margin-bottom: 18px;
    font-size: 0.95rem;
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    font-size: 0.86rem;
    color: var(--muted);
    margin-bottom: 6px;
}

.field input {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 12px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(110, 168, 254, 0.2);
}

.btn {
    width: 100%;
    border: 0;
    border-radius: 12px;
    padding: 12px 16px;
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(117, 140, 255, 0.34);
}

.hint {
    margin-top: 12px;
    font-size: 0.82rem;
    color: var(--muted);
    text-align: center;
}

.report {
    padding: 22px;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 16px;
}

.report-title h2 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.period-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.period-label {
    font-size: 0.84rem;
    color: #dce4ff;
    font-weight: 600;
}

.buyer-select {
    min-width: 180px;
    max-width: 260px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 8px 10px;
    color: #edf2ff;
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.85rem;
}

.date-single-input {
    width: 130px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 8px 10px;
    color: #edf2ff;
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.85rem;
    color-scheme: dark;
}

.date-single-input::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.75;
    cursor: pointer;
}

.chip {
    appearance: none;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    padding: 6px 12px;
    color: var(--muted);
    font-size: 0.82rem;
    cursor: pointer;
}

.chip.active {
    color: #fff;
    border-color: rgba(110, 168, 254, 0.75);
    background: rgba(110, 168, 254, 0.2);
}

.month-accordion {
    display: grid;
    gap: 10px;
}

.month-item {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.month-item > summary {
    list-style: none;
    cursor: pointer;
    padding: 12px 14px;
    font-weight: 600;
    color: #dce4ff;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid transparent;
}

.month-item > summary::-webkit-details-marker {
    display: none;
}

.month-item[open] > summary {
    border-bottom-color: rgba(255, 255, 255, 0.12);
}

.month-placeholder {
    color: var(--muted);
    padding: 12px 14px;
}

.block-content {
    padding: 10px 12px;
}

.block-content > .month-item {
    margin-top: 10px;
}

.block-content > .month-item:first-child {
    margin-top: 0;
}

.block-content .table-wrap {
    margin-top: 6px;
}

.table-wrap {
    overflow-x: auto;
    border-radius: 0 0 12px 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

thead th {
    text-align: left;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    color: #d4ddfb;
    padding: 12px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
    white-space: nowrap;
}

tbody td {
    padding: 11px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #edf2ff;
    font-size: 0.9rem;
    white-space: nowrap;
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.metric-good { color: var(--ok); font-weight: 600; }
.metric-mid { color: var(--warn); font-weight: 600; }

.geo-toggle {
    border: 0;
    background: transparent;
    color: #edf2ff;
    font-size: 0.9rem;
    cursor: pointer;
    font-weight: 600;
    padding: 0;
}

.broker-toggle {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 0.8rem;
    color: #dce4ff;
    background: transparent;
    cursor: pointer;
}

.broker-toggle:hover {
    background: rgba(110, 168, 254, 0.2);
    border-color: rgba(110, 168, 254, 0.75);
}

.broker-row td {
    background: rgba(255, 255, 255, 0.02);
}

.inner-table {
    margin: 8px 0 4px;
    min-width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.inner-table thead th {
    font-size: 0.76rem;
    padding: 8px 9px;
}

.inner-table tbody td {
    font-size: 0.82rem;
    padding: 8px 9px;
}

@media (max-width: 768px) {
    body { padding: 16px; }
    .auth { padding: 22px; }
    .report { padding: 16px; }
}