:root {
    --navy: #1B2E5E;
    --navy-dark: #152347;
    --red: #B91C1C;
    --red-light: #FEE2E2;
    --orange: #f59e0b;
    --orange-light: #FEF3C7;
    --green: #16a34a;
    --green-light: #DCFCE7;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-lg: 0 4px 12px rgba(0,0,0,.1);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    -webkit-font-smoothing: antialiased;
}

/* Header */
.header {
    background: #fff;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--gray-200);
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.header-inner {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo img { display: block; max-height: 44px; }
.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}
.header-title {
    color: var(--navy);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
}
.btn-logout {
    color: var(--gray-500);
    text-decoration: none;
    font-size: 13px;
    padding: 6px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    transition: all .2s;
}
.btn-logout:hover {
    color: var(--navy);
    border-color: var(--navy);
}

/* Main */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* Login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}
.login-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}
.login-card h2 {
    color: var(--navy);
    margin-bottom: 8px;
    font-size: 22px;
}
.login-card p {
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 24px;
}
.login-card input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    margin-bottom: 16px;
    outline: none;
    transition: border-color .2s;
}
.login-card input:focus {
    border-color: var(--navy);
}
.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background .2s;
}
.btn-primary:hover { background: var(--navy-dark); }
.alert-error {
    background: var(--red-light);
    color: var(--red);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}
.toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
/* Quick date buttons (Today / Yesterday) */
.quick-dates {
    display: flex;
    gap: 6px;
}
.quick-date-btn {
    padding: 8px 16px;
    border: 2px solid var(--navy);
    background: #fff;
    color: var(--navy);
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s;
}
.quick-date-btn:hover { background: var(--navy); color: #fff; }
.quick-date-btn.active { background: var(--navy); color: #fff; }
.period-toggle {
    display: flex;
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.period-btn {
    padding: 8px 18px;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    transition: all .2s;
}
.period-btn.active {
    background: var(--navy);
    color: #fff;
}
.period-btn:hover:not(.active) {
    background: var(--gray-100);
}
/* Date range picker */
.date-range {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 4px 12px;
}
.date-range input[type="date"] {
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    padding: 6px 10px;
    font-family: inherit;
    font-size: 13px;
    color: var(--gray-700);
    outline: none;
}
.date-range input[type="date"]:focus { border-color: var(--navy); }
.date-range-sep {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}
.date-range-apply {
    padding: 6px 14px;
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
}
.date-range-apply:hover { background: var(--navy-dark); }
.last-updated {
    font-size: 12px;
    color: var(--gray-500);
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}
.kpi-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    border-left: 4px solid var(--navy);
}
.kpi-card.kpi-danger {
    border-left-color: var(--red);
}
.kpi-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 6px;
}
.kpi-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.1;
}
.kpi-danger .kpi-value { color: var(--red); }
.kpi-trend {
    font-size: 13px;
    font-weight: 600;
    margin-top: 4px;
}
.kpi-trend.up { color: var(--red); }
.kpi-trend.down { color: var(--green); }
.kpi-trend.flat { color: var(--gray-500); }
.kpi-sub {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* Breakdown card */
.breakdown-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
}
.breakdown-card h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 16px;
}
.breakdown-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}
.breakdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 8px;
    border-radius: 10px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    transition: transform .15s;
}
.breakdown-item:hover { transform: translateY(-2px); cursor: pointer; }
.breakdown-item.active {
    border-width: 3px;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
}
.bd-num {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.1;
}
.bd-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: .3px;
    margin-top: 4px;
}
.bd-green { border-color: #bbf7d0; background: #f0fdf4; }
.bd-green .bd-num { color: var(--green); }
.bd-amber { border-color: #fde68a; background: #fefce8; }
.bd-amber .bd-num { color: #d97706; }
.bd-orange { border-color: #fed7aa; background: #fff7ed; }
.bd-orange .bd-num { color: #ea580c; }
.bd-red { border-color: #fecaca; background: #fef2f2; }
.bd-red .bd-num { color: var(--red); }
.breakdown-summary {
    display: flex;
    gap: 24px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--gray-200);
    font-size: 13px;
    color: var(--gray-500);
}
.breakdown-summary strong {
    color: var(--navy);
    font-weight: 800;
    margin-right: 4px;
}

/* Charts */
.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}
.chart-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
}
.chart-card h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 16px;
}
.chart-card canvas {
    width: 100% !important;
    max-height: 280px;
}

/* Table */
.table-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
}
.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.table-header h3 { margin-bottom: 0; }
.table-title-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}
.clear-filter-btn {
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    color: var(--red);
    background: var(--red-light);
    border: 1px solid var(--red);
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s;
}
.clear-filter-btn:hover {
    background: var(--red);
    color: #fff;
}
.table-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.table-count {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 600;
}
/* Column selector */
.col-selector-wrap { position: relative; }
.col-selector-btn {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    color: var(--navy);
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s;
}
.col-selector-btn:hover { border-color: var(--navy); }
.col-selector-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    padding: 10px 14px;
    min-width: 190px;
    z-index: 100;
}
.col-selector-dropdown.open { display: block; }
.col-selector-dropdown label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-700);
    padding: 5px 0;
    cursor: pointer;
    white-space: nowrap;
}
.col-selector-dropdown input[type="checkbox"] {
    accent-color: var(--navy);
    width: 15px;
    height: 15px;
}
.listen-link {
    color: var(--navy);
    text-decoration: none;
    font-weight: 600;
    font-size: 12px;
    padding: 4px 10px;
    border: 1px solid var(--navy);
    border-radius: 4px;
    transition: all .2s;
}
.listen-link:hover {
    background: var(--navy);
    color: #fff;
}
.table-card h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 16px;
}
.table-scroll { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
th {
    text-align: left;
    padding: 10px 12px;
    background: var(--gray-50);
    font-weight: 700;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .5px;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: color .15s;
}
th:hover { color: var(--navy); }
th .sort-arrow {
    font-size: 10px;
    margin-left: 4px;
    opacity: .4;
}
th.sort-active .sort-arrow { opacity: 1; color: var(--navy); }
td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}
tr:hover td { background: var(--gray-50); }
.table-empty {
    text-align: center;
    color: var(--gray-500);
    padding: 32px;
    font-size: 14px;
}

/* Audio player modal */
.audio-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.audio-modal {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
    width: 90%;
    max-width: 520px;
    overflow: hidden;
    animation: slideUp .2s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.audio-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
}
.audio-modal-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--navy);
    margin: 0;
}
.audio-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-500);
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    transition: color .2s;
}
.audio-modal-close:hover { color: var(--red); }
.audio-modal-body {
    padding: 20px;
}
.audio-modal-info {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.6;
}
.audio-modal-info strong {
    color: var(--gray-700);
}
.audio-loading {
    text-align: center;
    padding: 12px;
    color: var(--gray-500);
    font-size: 13px;
    font-weight: 600;
}
audio {
    border-radius: 8px;
    outline: none;
}
/* Listen button style in table */
.listen-btn {
    color: var(--navy);
    text-decoration: none;
    font-weight: 600;
    font-size: 12px;
    padding: 4px 10px;
    border: 1px solid var(--navy);
    border-radius: 4px;
    cursor: pointer;
    background: none;
    font-family: inherit;
    transition: all .2s;
}
.listen-btn:hover {
    background: var(--navy);
    color: #fff;
}

/* Nav button */
.btn-nav {
    color: var(--navy);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border: 1px solid var(--navy);
    border-radius: 6px;
    transition: all .2s;
}
.btn-nav:hover {
    background: var(--navy);
    color: #fff;
}

/* Outcome badges */
.outcome-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}
.badge-green { background: var(--green-light); color: var(--green); }
.badge-red { background: var(--red-light); color: var(--red); }
.badge-amber { background: var(--orange-light); color: #d97706; }
.badge-blue { background: rgba(59,130,246,.1); color: #2563eb; }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }

/* Upload page */
.upload-page {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.upload-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 32px;
}
.upload-card h2 {
    color: var(--navy);
    font-size: 18px;
    margin-bottom: 8px;
}
.upload-card > p {
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.5;
}
.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: 10px;
    padding: 32px;
    text-align: center;
    transition: all .2s;
    margin-bottom: 16px;
}
.upload-area.dragover {
    border-color: var(--navy);
    background: rgba(27,46,94,.04);
}
.upload-icon { font-size: 36px; margin-bottom: 8px; }
.upload-text { color: var(--gray-500); font-size: 14px; margin-bottom: 12px; }
.upload-browse-btn {
    display: inline-block;
    padding: 8px 20px;
    background: var(--navy);
    color: #fff;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
}
.upload-browse-btn:hover { background: var(--navy-dark); }
.upload-hint {
    color: var(--gray-500);
    font-size: 13px;
    margin-top: 10px;
    font-weight: 600;
}
.upload-submit-btn {
    width: 100%;
    padding: 12px;
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: background .2s;
}
.upload-submit-btn:hover:not(:disabled) { background: var(--navy-dark); }
.upload-submit-btn:disabled { opacity: .5; cursor: not-allowed; }
.upload-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: 10px;
}
.upload-result h3 {
    font-size: 15px;
    color: var(--navy);
    margin-bottom: 14px;
}
.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
}
.result-item {
    text-align: center;
    padding: 12px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
}
.result-num {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--navy);
}
.result-label {
    font-size: 11px;
    color: var(--gray-500);
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 4px;
    display: block;
}
.result-success .result-num { color: var(--green); }
.result-match .result-num { color: #2563eb; }
.result-warn .result-num { color: var(--orange); }
.result-error .result-num { color: var(--red); }
.result-errors {
    margin-top: 12px;
    font-size: 13px;
    color: var(--red);
}
.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.rematch-btn {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    color: #2563eb;
    background: rgba(59,130,246,.1);
    border: 1px solid #2563eb;
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s;
}
.rematch-btn:hover { background: #2563eb; color: #fff; }
.rematch-btn:disabled { opacity: .5; cursor: not-allowed; }
.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.history-table th {
    text-align: left;
    padding: 8px 10px;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
    font-weight: 700;
}
.history-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

/* Responsive */
@media (max-width: 900px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .chart-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .main { padding: 16px; }
    .toolbar { flex-direction: column; gap: 12px; }
    .audio-modal { width: 95%; }
}

/* Untracked Calls page */
.page-intro {
    background: #fff3cd;
    border-left: 4px solid #f59e0b;
    padding: 14px 18px;
    border-radius: 6px;
    margin-bottom: 18px;
}
.page-intro h2 {
    color: #1B2E5E;
    font-size: 20px;
}