/* ==================== ALERTS PAGE STYLES ==================== */

* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg-primary: #0a0a12;
    --bg-secondary: #12121c;
    --bg-card: #1a1a28;
    --bg-hover: #222233;
    --accent-blue: #4a6cf7;
    --accent-purple: #7c3aed;
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-orange: #f97316;
    --accent-red: #ef4444;
    --accent-cyan: #06b6d4;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #2a2a3c;
}

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

.app-layout { display: flex; min-height: 100vh; }

/* ==================== MAIN CONTENT ==================== */
.main-content {
    flex: 1;
    margin-left: 250px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== PAGE HEADER ==================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.page-header-left h2 { font-size: 1.4rem; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.page-subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 4px; }
.page-header-right { display: flex; align-items: center; gap: 10px; }

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 8px; font-size: 0.82rem; font-weight: 500;
    cursor: pointer; transition: all 0.2s; border: 1px solid var(--border-color);
    background: var(--bg-card); color: var(--text-secondary); font-family: inherit;
}
.btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--text-muted); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--accent-blue); color: white; border-color: var(--accent-blue); }
.btn-primary:hover { background: #3b5de7; }

/* ==================== TABS ==================== */
/* .tab-container, .tabs — inherited from 3-components.css */
/* .tab, .tab:hover, .tab.active — inherited from 3-components.css */
.tab-badge {
    background: var(--accent-red); color: white;
    font-size: 0.7rem; padding: 2px 8px; border-radius: 10px; font-weight: 600;
}
.tab-badge.zero { background: var(--text-muted); }

/* ==================== CONTENT AREA ==================== */
.content-area { padding: 20px 24px; flex: 1; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ==================== STATS SUMMARY ==================== */
.stats-summary { display: flex; gap: 14px; margin-bottom: 20px; }
.stat-card {
    background: var(--bg-card); border-radius: 10px; border: 1px solid var(--border-color);
    padding: 14px 18px; flex: 1; text-align: center;
}
.stat-value { font-size: 1.6rem; font-weight: 700; margin-bottom: 2px; }
.stat-value.total { color: var(--text-primary); }
.stat-value.critical { color: var(--accent-red); }
.stat-value.warning { color: var(--accent-yellow); }
.stat-value.info { color: var(--accent-green); }
.stat-label { font-size: 0.78rem; color: var(--text-secondary); }

/* ==================== FILTER PILLS ==================== */
.filter-pills { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.filter-pill {
    padding: 7px 16px; border-radius: 20px; font-size: 0.82rem; cursor: pointer;
    transition: all 0.2s; border: 1px solid var(--border-color);
    background: var(--bg-card); color: var(--text-secondary);
    display: flex; align-items: center; gap: 6px;
}
.filter-pill:hover { border-color: var(--text-muted); color: var(--text-primary); }
.filter-pill.active { background: var(--accent-red); color: white; border-color: var(--accent-red); }
.filter-pill.active.sev-critical { background: var(--accent-red); border-color: var(--accent-red); }
.filter-pill.active.sev-warning { background: var(--accent-yellow); border-color: var(--accent-yellow); color: #000; }
.filter-pill.active.sev-info { background: var(--accent-green); border-color: var(--accent-green); color: #000; }
.filter-pill--campaigns { color: var(--accent-cyan, #06b6d4); border-color: rgba(6, 182, 212, 0.3); }
.filter-pill--campaigns.active { background: var(--accent-cyan, #06b6d4); border-color: var(--accent-cyan, #06b6d4); color: #000; }

/* Campaign alert card accent */
.alert-card.type-campaigns { border-left: 4px solid var(--accent-cyan, #06b6d4); }

/* ==================== ALERT CARD ==================== */
.alert-card {
    background: var(--bg-card); border-radius: 12px; border: 1px solid var(--border-color);
    padding: 20px; margin-bottom: 14px; transition: all 0.3s;
}
.alert-card:hover { border-color: var(--text-muted); }
.alert-card.sev-critical { border-left: 4px solid var(--accent-red); }
.alert-card.sev-warning { border-left: 4px solid var(--accent-yellow); }
.alert-card.sev-info { border-left: 4px solid var(--accent-green); }
.alert-card.is-ack { opacity: 0.8; background: rgba(26, 26, 40, 0.7); }

.alert-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.alert-meta { display: flex; align-items: center; gap: 10px; }
.alert-severity {
    font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
    padding: 3px 10px; border-radius: 4px;
}
.alert-severity.sev-critical { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.alert-severity.sev-warning { background: rgba(245, 158, 11, 0.15); color: var(--accent-yellow); }
.alert-severity.sev-info { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.alert-status { font-size: 0.75rem; color: var(--text-muted); }
.alert-status.is-ack { color: var(--accent-green); }
.alert-time { font-size: 0.78rem; color: var(--text-muted); }

.alert-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 5px; color: var(--text-primary); }
.alert-message { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.5; }
.alert-source { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 14px; }
.alert-source span { color: var(--accent-cyan); }

.alert-ack-notice {
    font-size: 0.82rem; color: var(--accent-green);
    background: rgba(16, 185, 129, 0.08); padding: 8px 12px;
    border-radius: 6px; margin-bottom: 12px;
}

.alert-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.alert-action {
    padding: 7px 14px; border-radius: 6px; font-size: 0.78rem; font-weight: 500;
    cursor: pointer; transition: all 0.2s; border: 1px solid var(--border-color);
    background: var(--bg-card); color: var(--text-secondary);
    display: inline-flex; align-items: center; gap: 5px; font-family: inherit;
}
.alert-action:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--text-muted); }
.alert-action.act-primary { background: rgba(74, 108, 247, 0.12); color: var(--accent-blue); border-color: rgba(74, 108, 247, 0.3); }
.alert-action.act-primary:hover { background: var(--accent-blue); color: white; }
.alert-action.act-ack { background: rgba(16, 185, 129, 0.12); color: var(--accent-green); border-color: rgba(16, 185, 129, 0.3); }
.alert-action.act-ack:hover { background: var(--accent-green); color: white; }
.alert-action.act-unack { background: rgba(107, 114, 128, 0.1); color: var(--text-secondary); }
.alert-action.act-unack:hover { background: var(--text-muted); color: white; }
.alert-action.act-dismiss { color: var(--text-muted); }
.alert-action.act-dismiss:hover { color: var(--accent-red); border-color: var(--accent-red); }

/* ==================== EMPTY STATE ==================== */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state-icon { font-size: 3.5rem; margin-bottom: 14px; opacity: 0.25; }
.empty-state-title { font-size: 1.1rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.empty-state-text { font-size: 0.85rem; color: var(--text-muted); max-width: 380px; margin: 0 auto; line-height: 1.5; }

/* ==================== HISTORY TAB ==================== */
.history-controls { display: flex; gap: 10px; margin-bottom: 20px; align-items: center; }
.search-input {
    flex: 1; padding: 9px 14px; border-radius: 8px;
    border: 1px solid var(--border-color); background: var(--bg-card);
    color: var(--text-primary); font-size: 0.85rem; font-family: inherit;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { outline: none; border-color: var(--accent-blue); }
.date-select {
    padding: 9px 14px; border-radius: 8px;
    border: 1px solid var(--border-color); background: var(--bg-card);
    color: var(--text-primary); font-size: 0.85rem; cursor: pointer; font-family: inherit;
}

.history-group { margin-bottom: 22px; }
.history-group-title {
    font-size: 0.78rem; font-weight: 600; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.05em;
    margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border-color);
}
.history-item {
    display: flex; align-items: center; gap: 14px;
    padding: 10px 14px; background: var(--bg-card); border-radius: 8px;
    margin-bottom: 6px; border: 1px solid var(--border-color); transition: all 0.2s;
}
.history-item:hover { background: var(--bg-hover); }
.history-severity { font-size: 1.1rem; }
.history-time { font-size: 0.78rem; color: var(--text-muted); min-width: 75px; }
.history-title { flex: 1; font-size: 0.85rem; color: var(--text-primary); }
.history-status {
    font-size: 0.72rem; padding: 3px 10px; border-radius: 4px;
    background: rgba(100,116,139,0.15); color: var(--text-muted);
}
.history-status.hs-ack { background: rgba(16, 185, 129, 0.12); color: var(--accent-green); }
.history-status.hs-auto { background: rgba(100,116,139,0.1); color: var(--text-muted); }
.history-source { font-size: 0.78rem; color: var(--text-muted); min-width: 100px; text-align: right; }

.load-more { text-align: center; padding: 16px; }
.load-more-info { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 10px; }

/* ==================== LOADING ==================== */
.loading-spinner {
    text-align: center; padding: 40px;
    color: var(--text-muted); font-size: 0.9rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .stats-summary { flex-wrap: wrap; }
    .stat-card { min-width: calc(50% - 8px); }
}