/**
 * Enigma Analytics - Modern Analytics Design System (2026 Edition)
 * Inspired by Google Analytics 4, Linear, and Modern Next-Gen Observability Platforms
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Color Palette - Deep Futuristic Slate & Dark Mode */
    --ga-bg: #0b0f17;
    --ga-sidebar: #0f1523;
    --ga-card: #151c2c;
    --ga-card-elevated: #1b2438;
    --ga-card-border: rgba(255, 255, 255, 0.08);
    --ga-card-border-hover: rgba(96, 165, 250, 0.35);
    --ga-hover: rgba(255, 255, 255, 0.04);
    --ga-active: rgba(59, 130, 246, 0.12);

    /* Brand & Accent Colors */
    --ga-blue: #60a5fa;
    --ga-blue-light: #93c5fd;
    --ga-blue-dark: #2563eb;
    --ga-blue-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --ga-blue-bg: rgba(59, 130, 246, 0.12);
    --ga-blue-glow: 0 0 24px rgba(59, 130, 246, 0.25);

    --ga-green: #34d399;
    --ga-green-dark: #059669;
    --ga-green-bg: rgba(52, 211, 153, 0.12);
    --ga-green-glow: 0 0 20px rgba(52, 211, 153, 0.3);

    --ga-amber: #fbbf24;
    --ga-amber-bg: rgba(251, 191, 36, 0.12);

    --ga-rose: #f87171;
    --ga-rose-bg: rgba(248, 113, 113, 0.12);

    --ga-purple: #a78bfa;
    --ga-purple-bg: rgba(167, 139, 250, 0.12);

    /* Text Colors */
    --ga-text: #f8fafc;
    --ga-text-secondary: #94a3b8;
    --ga-text-muted: #64748b;
    --ga-text-dim: #475569;

    /* Spacing & Radii */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* Typography */
    --font-sans: 'Plus Jakarta Sans', 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
}

html {
    color-scheme: dark;
}

body {
    background-color: var(--ga-bg);
    color: var(--ga-text);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    background-image: 
        radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   Auth / Login Screen
   ========================================================================== */
.auth-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 30%, #151c2c 0%, #0b0f17 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1.5rem;
}

.ga-auth-card {
    background: rgba(21, 28, 44, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 440px;
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(37, 99, 235, 0.15);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ga-auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #10b981);
}

.ga-logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 50%, #3b82f6 100%);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

/* ==========================================================================
   Main Application Layout
   ========================================================================== */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Left Sidebar (GA4 & Modern Analytics Style) */
.ga-sidebar {
    width: 260px;
    min-width: 260px;
    background: var(--ga-sidebar);
    border-right: 1px solid var(--ga-card-border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    z-index: 50;
    transition: var(--transition-normal);
}

.sidebar-header {
    padding: 1.25rem 1.4rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    border-bottom: 1px solid var(--ga-card-border);
}

.sidebar-brand-name {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    flex: 1;
    padding: 1.1rem 0.85rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.nav-section-title {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--ga-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.85rem 0.75rem 0.35rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.65rem 0.95rem;
    border-radius: var(--radius-sm);
    color: var(--ga-text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-item:hover {
    background: var(--ga-hover);
    color: var(--ga-text);
    transform: translateX(2px);
}

.nav-item.active {
    background: var(--ga-active);
    color: var(--ga-blue);
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(96, 165, 250, 0.2);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 3px;
    background: var(--ga-blue);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 8px var(--ga-blue);
}

.nav-item svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1.1rem 1.25rem;
    border-top: 1px solid var(--ga-card-border);
    background: rgba(11, 15, 23, 0.3);
}

/* ==========================================================================
   Main Content Area & Topbar
   ========================================================================== */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    background: transparent;
}

.ga-topbar {
    height: 68px;
    background: rgba(15, 21, 35, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--ga-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    gap: 1.25rem;
    z-index: 40;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

/* GA4 Property Selector */
.ga-property-selector {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: var(--ga-card);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.85rem;
    transition: var(--transition-fast);
}

.ga-property-selector:hover {
    border-color: var(--ga-card-border-hover);
}

.ga-property-selector select {
    background: transparent;
    border: none;
    color: var(--ga-text);
    font-size: 0.9rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
}

.ga-property-selector select option {
    background: var(--ga-card);
    color: var(--ga-text);
}

/* Search Bar */
.ga-search-bar {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-full);
    padding: 0.45rem 1.15rem;
    width: 340px;
    color: var(--ga-text-secondary);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.ga-search-bar:focus-within {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--ga-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.ga-search-bar input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--ga-text);
    font-size: 0.85rem;
    width: 100%;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

/* Date Picker */
.ga-date-picker {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--ga-card);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.85rem;
    color: var(--ga-text);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.ga-date-picker:hover {
    border-color: var(--ga-card-border-hover);
}

.ga-date-picker select {
    background: transparent;
    border: none;
    color: var(--ga-text);
    font-size: 0.85rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
}

.ga-date-picker select option {
    background: var(--ga-card);
    color: var(--ga-text);
}

/* ==========================================================================
   Buttons & Actions
   ========================================================================== */
.ga-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1;
}

.ga-btn:active {
    transform: scale(0.98);
}

.ga-btn-primary {
    background: var(--ga-blue-gradient);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.ga-btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.ga-btn-secondary {
    background: var(--ga-card);
    border-color: var(--ga-card-border);
    color: var(--ga-text);
}

.ga-btn-secondary:hover {
    background: var(--ga-card-elevated);
    border-color: var(--ga-card-border-hover);
    color: #ffffff;
}

.ga-btn-danger {
    background: var(--ga-rose-bg);
    border-color: rgba(248, 113, 113, 0.3);
    color: var(--ga-rose);
}

.ga-btn-danger:hover {
    background: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}

/* ==========================================================================
   Content Body & Tabs
   ========================================================================== */
.content-body {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 2.25rem;
}

.tab-pane {
    display: none;
    animation: fadeInTab 0.3s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeInTab {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Dashboard Header & Scorecards
   ========================================================================== */
.ga-dashboard-header {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 1080px) {
    .ga-dashboard-header {
        grid-template-columns: 1fr;
    }
}

.ga-main-chart-card {
    background: var(--ga-card);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.75rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.ga-scorecards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    border-bottom: 1px solid var(--ga-card-border);
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
    .ga-scorecards {
        grid-template-columns: repeat(2, 1fr);
    }
}

.scorecard-item {
    cursor: pointer;
    padding: 0.75rem 0.85rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.scorecard-item:hover {
    background: var(--ga-hover);
}

.scorecard-item.active {
    background: var(--ga-active);
    border-color: rgba(96, 165, 250, 0.25);
}

.scorecard-label {
    font-size: 0.8rem;
    color: var(--ga-text-secondary);
    font-weight: 500;
    margin-bottom: 0.4rem;
}

.scorecard-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--ga-text);
    letter-spacing: -0.02em;
}

.scorecard-diff {
    font-size: 0.76rem;
    color: var(--ga-green);
    margin-top: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
}

/* ==========================================================================
   Realtime / Live Card (Ultra Modern Pulse Mesh)
   ========================================================================== */
.ga-realtime-card {
    background: radial-gradient(circle at top right, #1e3a8a 0%, #151c2c 80%);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.25);
    position: relative;
    overflow: hidden;
}

.realtime-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.realtime-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ga-blue);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.realtime-count-wrapper {
    margin: 1rem 0;
}

.realtime-big-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    letter-spacing: -0.03em;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.realtime-subtext {
    font-size: 0.85rem;
    color: var(--ga-text-secondary);
    margin-top: 0.5rem;
}

.realtime-pulse-dot {
    width: 10px;
    height: 10px;
    background-color: var(--ga-green);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 12px var(--ga-green);
    animation: ga-pulse 2s infinite ease-in-out;
}

@keyframes ga-pulse {
    0% { transform: scale(0.85); opacity: 0.8; box-shadow: 0 0 4px var(--ga-green); }
    50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 18px var(--ga-green); }
    100% { transform: scale(0.85); opacity: 0.8; box-shadow: 0 0 4px var(--ga-green); }
}

/* ==========================================================================
   Cards & Data Tables Grid
   ========================================================================== */
.ga-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.ga-card {
    background: var(--ga-card);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.ga-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.ga-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--ga-card-border);
}

.ga-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ga-text);
    letter-spacing: -0.01em;
}

.ga-card-link {
    font-size: 0.82rem;
    color: var(--ga-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.ga-card-link:hover {
    color: #93c5fd;
    text-decoration: underline;
}

/* Progress Table Rows */
.ga-table-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.75rem;
    position: relative;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    margin-bottom: 0.4rem;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.01);
}

.ga-table-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.18), rgba(59, 130, 246, 0.05));
    border-radius: var(--radius-sm);
    z-index: 1;
    transition: width 0.6s ease;
}

.ga-row-text {
    position: relative;
    z-index: 2;
    color: var(--ga-text);
    font-weight: 500;
    max-width: 72%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ga-row-num {
    position: relative;
    z-index: 2;
    font-weight: 700;
    color: var(--ga-text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* ==========================================================================
   Modals & Forms
   ========================================================================== */
.ga-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.ga-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.ga-modal {
    background: var(--ga-card-elevated);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 560px;
    padding: 2.25rem;
    box-shadow: var(--shadow-lg), 0 0 50px rgba(0, 0, 0, 0.8);
    transform: scale(0.95);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ga-modal-overlay.active .ga-modal {
    transform: scale(1);
}

.ga-form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

.ga-form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ga-text-secondary);
    margin-bottom: 0.45rem;
}

.ga-input {
    width: 100%;
    background: var(--ga-bg);
    border: 1px solid var(--ga-card-border);
    padding: 0.7rem 0.95rem;
    border-radius: var(--radius-sm);
    color: #ffffff;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.ga-input:focus {
    border-color: var(--ga-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.ga-code-box {
    background: #080c14;
    border: 1px solid var(--ga-card-border);
    padding: 1.15rem;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    color: var(--ga-blue);
    font-size: 0.85rem;
    word-break: break-all;
    position: relative;
    margin-top: 0.6rem;
    line-height: 1.6;
}

.ga-empty {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--ga-text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   🎯 Conversion Funnels (Dönüşüm Hunileri)
   ========================================================================== */
.funnel-container {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.funnel-step-card {
    background: var(--ga-card);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.75rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
}

.funnel-step-card:hover {
    border-color: var(--ga-blue);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.funnel-bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.25), rgba(59, 130, 246, 0.04));
    border-radius: var(--radius-lg);
    z-index: 1;
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.funnel-step-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.funnel-step-title {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.step-number-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ga-blue-gradient);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 800;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.funnel-step-metrics {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.funnel-metric-box {
    text-align: right;
}

.funnel-metric-val {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--ga-text);
    font-family: var(--font-mono);
}

.funnel-metric-lbl {
    font-size: 0.75rem;
    color: var(--ga-text-secondary);
    font-weight: 500;
}

.funnel-arrow-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.3rem 0;
    color: var(--ga-text-muted);
    font-size: 0.85rem;
}

.dropoff-badge {
    background: var(--ga-rose-bg);
    color: var(--ga-rose);
    border: 1px solid rgba(248, 113, 113, 0.3);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
}

.step-input-row {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    margin-bottom: 0.85rem;
}

/* ==========================================================================
   👥 Cohort Retention Heatmap
   ========================================================================== */
.cohort-table-wrapper {
    overflow-x: auto;
    margin-top: 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--ga-card-border);
}

.cohort-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.cohort-table th, .cohort-table td {
    padding: 0.85rem 0.75rem;
    text-align: center;
    border: 1px solid var(--ga-card-border);
}

.cohort-table th {
    background: var(--ga-sidebar);
    color: var(--ga-text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cohort-table td.cohort-header-cell {
    text-align: left;
    background: var(--ga-sidebar);
    color: var(--ga-text);
    font-weight: 600;
}

.cohort-cell {
    font-weight: 700;
    transition: all 0.2s ease;
    font-family: var(--font-mono);
}

.retention-legend {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    color: var(--ga-text-secondary);
    margin-top: 1.25rem;
}

/* ==========================================================================
   🗺️ User Journeys & Paths (Gezinme Yolları)
   ========================================================================== */
.journey-flow-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1.25rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.flow-column {
    background: var(--ga-sidebar);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.flow-column-header {
    font-size: 0.82rem;
    font-weight: 800;
    color: var(--ga-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--ga-card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flow-node-item {
    background: var(--ga-card);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.95rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
}

.flow-node-item:hover {
    border-color: var(--ga-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.flow-node-label {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--ga-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.flow-node-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--ga-text-secondary);
    font-family: var(--font-mono);
}

.journey-path-row {
    background: var(--ga-sidebar);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    transition: var(--transition-fast);
}

.journey-path-row:hover {
    border-color: var(--ga-card-border-hover);
    background: var(--ga-hover);
}

.journey-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
}

.journey-crumb {
    background: var(--ga-card);
    border: 1px solid var(--ga-card-border);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--ga-text);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.journey-crumb.source {
    border-color: rgba(59, 130, 246, 0.4);
    color: var(--ga-blue);
    background: var(--ga-blue-bg);
}

.journey-crumb.exit {
    border-color: rgba(248, 113, 113, 0.4);
    color: var(--ga-rose);
    background: var(--ga-rose-bg);
}

.journey-arrow {
    color: var(--ga-text-muted);
    font-size: 0.85rem;
}

.session-timeline {
    position: relative;
    padding-left: 1.75rem;
    margin-top: 1.25rem;
}

.session-timeline::before {
    content: '';
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 7px;
    width: 2px;
    background: var(--ga-card-border);
}

.timeline-step {
    position: relative;
    margin-bottom: 1.25rem;
}

.timeline-step::before {
    content: '';
    position: absolute;
    left: -1.75rem;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ga-blue);
    border: 3px solid var(--ga-sidebar);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.timeline-step-body {
    background: var(--ga-sidebar);
    border: 1px solid var(--ga-card-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
}

/* ==========================================================================
   🚨 Akıllı Uyarılar (AI Insights & Anomaly Detection Cards)
   ========================================================================== */
.ai-insight-card {
    background: var(--ga-sidebar);
    border: 1px solid var(--ga-card-border);
    border-left: 4px solid var(--ga-blue);
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.6rem;
    margin-bottom: 1.15rem;
    transition: var(--transition-normal);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.ai-insight-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.ai-insight-card.severity-danger {
    border-left-color: var(--ga-rose);
    background: linear-gradient(90deg, rgba(248, 113, 113, 0.09), var(--ga-sidebar) 40%);
}

.ai-insight-card.severity-success {
    border-left-color: var(--ga-green);
    background: linear-gradient(90deg, rgba(52, 211, 153, 0.09), var(--ga-sidebar) 40%);
}

.ai-insight-card.severity-warning {
    border-left-color: var(--ga-amber);
    background: linear-gradient(90deg, rgba(251, 191, 36, 0.09), var(--ga-sidebar) 40%);
}

.ai-insight-card.severity-info {
    border-left-color: var(--ga-blue);
    background: linear-gradient(90deg, rgba(96, 165, 250, 0.09), var(--ga-sidebar) 40%);
}

.insight-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
}

.severity-danger .insight-badge {
    background: var(--ga-rose-bg);
    color: var(--ga-rose);
    border: 1px solid rgba(248, 113, 113, 0.35);
}

.severity-success .insight-badge {
    background: var(--ga-green-bg);
    color: var(--ga-green);
    border: 1px solid rgba(52, 211, 153, 0.35);
}

.severity-warning .insight-badge {
    background: var(--ga-amber-bg);
    color: var(--ga-amber);
    border: 1px solid rgba(251, 191, 36, 0.35);
}

.severity-info .insight-badge {
    background: var(--ga-blue-bg);
    color: var(--ga-blue);
    border: 1px solid rgba(96, 165, 250, 0.35);
}

.insight-action-box {
    background: rgba(0, 0, 0, 0.35);
    border: 1px dashed var(--ga-card-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-top: 0.85rem;
    font-size: 0.84rem;
    color: var(--ga-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.home-insights-banner {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(52, 211, 153, 0.1) 100%);
    border: 1px solid rgba(59, 130, 246, 0.35);
    border-radius: var(--radius-lg);
    padding: 1.15rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 900px) {
    .ga-sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
        transition: left 0.3s ease;
    }

    .ga-sidebar.open {
        left: 0;
    }

    .content-body {
        padding: 1.25rem;
    }

    .ga-cards-grid {
        grid-template-columns: 1fr;
    }

    .ga-search-bar {
        display: none;
    }
}