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

:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-hover: #242836;
    --border: #2a2e3a;
    --text: #e4e6eb;
    --text-dim: #8b8fa3;
    --primary: #6366f1;
    --primary-hover: #5558e6;
    --green: #22c55e;
    --red: #ef4444;
    --yellow: #eab308;
    --blue: #3b82f6;
    --purple: #a855f7;
    --sidebar-w: 220px;
}

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

/* ── Login ── */
.login-container {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--bg);
}
.login-card {
    background: var(--bg-card); padding: 40px; border-radius: 16px;
    width: 360px; border: 1px solid var(--border);
}
.login-logo { font-size: 28px; font-weight: 700; text-align: center; margin-bottom: 4px; }
.login-sub { text-align: center; color: var(--text-dim); margin-bottom: 24px; font-size: 14px; }
.form-group { margin-bottom: 14px; }
.form-group input {
    width: 100%; padding: 12px 14px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--bg);
    color: var(--text); font-size: 14px; outline: none;
}
.form-group input:focus { border-color: var(--primary); }
.error-text { color: var(--red); font-size: 13px; margin-top: 10px; text-align: center; }

/* ── Buttons ── */
.btn {
    padding: 10px 18px; border-radius: 8px; font-size: 14px;
    font-weight: 500; cursor: pointer; border: none; transition: all 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--red); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg-hover); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── App Layout ── */
.app-container { display: flex; min-height: 100vh; }
.sidebar {
    width: var(--sidebar-w); background: var(--bg-card); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; z-index: 10;
}
.sidebar-logo { font-size: 20px; font-weight: 700; padding: 20px; border-bottom: 1px solid var(--border); }
.sidebar nav { flex: 1; padding: 12px 0; }
.nav-item {
    display: flex; align-items: center; gap: 10px; padding: 11px 20px;
    color: var(--text-dim); text-decoration: none; font-size: 14px; transition: all 0.15s;
}
.nav-item:hover, .nav-item.active { color: var(--text); background: var(--bg-hover); }
.nav-item.active { border-right: 3px solid var(--primary); }
.nav-icon { font-size: 16px; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }

.main-content { margin-left: var(--sidebar-w); flex: 1; padding: 28px 32px; }
.page { animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.page-desc { color: var(--text-dim); margin-bottom: 20px; }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 28px; }
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
    padding: 20px; text-align: center;
}
.stat-number { font-size: 32px; font-weight: 700; }
.stat-label { font-size: 13px; color: var(--text-dim); margin-top: 4px; }
.stat-blue .stat-number { color: var(--blue); }
.stat-red .stat-number { color: var(--red); }
.stat-gray .stat-number { color: var(--text-dim); }
.stat-green .stat-number { color: var(--green); }
.stat-purple .stat-number { color: var(--purple); }

/* ── Dialer ── */
.dialer-controls {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px;
}
.dialer-controls h2 { margin-bottom: 14px; }
.dialer-status {
    display: inline-block; padding: 6px 16px; border-radius: 20px;
    font-size: 13px; font-weight: 600; margin-bottom: 16px;
    background: var(--bg); border: 1px solid var(--border);
}
.dialer-status.running { background: rgba(34,197,94,0.15); border-color: var(--green); color: var(--green); }
.dialer-buttons { display: flex; gap: 12px; }
.dialer-info { color: var(--text-dim); font-size: 13px; margin-top: 12px; }

/* ── Calling Page ── */
.calling-panel {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 32px; text-align: center;
}
.big-status-icon { font-size: 48px; margin-bottom: 12px; }
.big-status-text { font-size: 20px; font-weight: 600; }
.big-status-sub { color: var(--text-dim); margin-top: 6px; }
.recent-calls { text-align: left; margin-top: 12px; }
.recent-call-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.recent-call-item:last-child { border-bottom: none; }
.call-outcome {
    padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 500;
}
.outcome-interested { background: rgba(34,197,94,0.15); color: var(--green); }
.outcome-not_interested { background: rgba(139,143,163,0.15); color: var(--text-dim); }
.outcome-no_answer { background: rgba(239,68,68,0.15); color: var(--red); }
.outcome-calling { background: rgba(99,102,241,0.15); color: var(--primary); }

/* ── Tabs ── */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; flex-wrap: wrap; }
.tab {
    padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border);
    background: transparent; color: var(--text-dim); cursor: pointer; font-size: 13px;
}
.tab:hover { background: var(--bg-hover); }
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Search ── */
.search-bar { margin-bottom: 16px; }
.search-bar input {
    width: 100%; max-width: 400px; padding: 10px 14px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--bg-card);
    color: var(--text); font-size: 14px; outline: none;
}
.search-bar input:focus { border-color: var(--primary); }

/* ── Table ── */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
    text-align: left; padding: 12px 14px; font-size: 12px; font-weight: 600;
    color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 14px; }
tbody tr:hover { background: var(--bg-hover); }
.status-badge {
    display: inline-block; padding: 3px 10px; border-radius: 12px;
    font-size: 12px; font-weight: 500;
}
.status-new { background: rgba(59,130,246,0.15); color: var(--blue); }
.status-calling { background: rgba(99,102,241,0.15); color: var(--primary); }
.status-interested { background: rgba(34,197,94,0.15); color: var(--green); }
.status-not_interested { background: rgba(139,143,163,0.15); color: var(--text-dim); }
.status-no_answer { background: rgba(239,68,68,0.15); color: var(--red); }
.status-do_not_call { background: rgba(239,68,68,0.3); color: var(--red); }

.action-btn {
    padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border);
    background: transparent; color: var(--text-dim); cursor: pointer; font-size: 12px;
    margin-right: 4px;
}
.action-btn:hover { background: var(--bg-hover); color: var(--text); }

/* ── Pagination ── */
.pagination { display: flex; gap: 6px; margin-top: 16px; justify-content: center; }
.page-btn {
    padding: 6px 12px; border-radius: 6px; border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text-dim); cursor: pointer; font-size: 13px;
}
.page-btn:hover, .page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Modal ── */
.modal {
    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: 100;
}
.modal-content {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
    width: 480px; max-height: 80vh; overflow-y: auto;
}
.modal-lg { width: 640px; }
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.modal-close {
    background: none; border: none; color: var(--text-dim); font-size: 24px;
    cursor: pointer;
}
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Drop Zone ── */
.drop-zone {
    border: 2px dashed var(--border); border-radius: 12px; padding: 40px;
    text-align: center; cursor: pointer; transition: all 0.2s;
}
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--primary); background: rgba(99,102,241,0.05); }
.drop-icon { font-size: 40px; margin-bottom: 10px; }
.drop-sub { color: var(--text-dim); font-size: 13px; }
.csv-hint { color: var(--text-dim); font-size: 12px; margin-top: 14px; }
.csv-hint code { background: var(--bg); padding: 2px 6px; border-radius: 4px; }
.upload-result { margin-top: 14px; padding: 12px; border-radius: 8px; font-size: 14px; }
.upload-result.success { background: rgba(34,197,94,0.1); color: var(--green); }
.upload-result.error { background: rgba(239,68,68,0.1); color: var(--red); }

/* ── Lead Detail ── */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.detail-item label { font-size: 12px; color: var(--text-dim); display: block; margin-bottom: 2px; }
.detail-item span { font-size: 14px; }
.detail-transcript {
    margin-top: 16px; padding: 14px; background: var(--bg);
    border-radius: 8px; font-size: 13px; white-space: pre-wrap;
    max-height: 300px; overflow-y: auto;
}