/* ==========================================================================
   ReviewRadar - Apple Enterprise Design System
   Modern, Clean, Minimalist HIG-inspired Stylesheet
   ========================================================================== */

:root {
    /* Color Palette */
    --apple-bg: #f5f5f7;
    --apple-surface: #ffffff;
    --apple-surface-secondary: #fbfbfd;
    --apple-surface-tertiary: #f0f0f2;
    --apple-border: rgba(0, 0, 0, 0.08);
    --apple-border-light: rgba(0, 0, 0, 0.04);
    --apple-text: #1d1d1f;
    --apple-text-secondary: #86868b;
    --apple-text-tertiary: #a1a1a6;
    
    /* System Accents */
    --apple-blue: #0071e3;
    --apple-blue-hover: #0077ed;
    --apple-green: #34c759;
    --apple-green-bg: rgba(52, 199, 89, 0.12);
    --apple-orange: #ff9f0a;
    --apple-orange-bg: rgba(255, 159, 10, 0.12);
    --apple-red: #ff3b30;
    --apple-red-bg: rgba(255, 59, 48, 0.12);
    --apple-indigo: #5856d6;
    
    /* Brand dynamic accents from configuration */
    --primary-color: var(--apple-blue);
    --primary-hover: var(--apple-blue-hover);
    --sidebar-bg: #1d1d1f;
    --sidebar-active-bg: rgba(255, 255, 255, 0.12);
    --sidebar-text: #a1a1a6;
    --sidebar-active-text: #ffffff;

    /* Squircles & Radii */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-pill: 9999px;

    /* Elevation Shadows */
    --shadow-subtle: 0 2px 8px -1px rgba(0, 0, 0, 0.04), 0 1px 3px -1px rgba(0, 0, 0, 0.02);
    --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.04), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
    --shadow-card-hover: 0 16px 36px -4px rgba(0, 0, 0, 0.08), 0 4px 12px -2px rgba(0, 0, 0, 0.03);
    --shadow-float: 0 20px 48px -6px rgba(0, 0, 0, 0.12), 0 6px 16px -2px rgba(0, 0, 0, 0.05);

    /* Transitions */
    --apple-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.18s var(--apple-ease);
    --transition-normal: all 0.28s var(--apple-ease);
}

/* ==========================================================================
   Base Typography & Layout
   ========================================================================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", -system-ui, sans-serif !important;
    background-color: var(--apple-bg) !important;
    color: var(--apple-text) !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.012em;
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif !important;
    letter-spacing: -0.028em;
    font-weight: 600;
    color: var(--apple-text);
}

p, span, div, input, select, textarea, button {
    letter-spacing: -0.011em;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}
a:hover {
    color: var(--primary-hover);
}

/* ==========================================================================
   Apple Squircles & Cards
   ========================================================================== */
.card, .apple-card {
    background: var(--apple-surface) !important;
    border: 1px solid var(--apple-border) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-card) !important;
    transition: var(--transition-normal);
}

/* Card Header with generous breathing space - icons never crowd borders */
.card-header, .apple-card-header {
    background: transparent !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
    padding: 1.35rem 1.85rem !important;
    display: flex;
    align-items: center;
}

/* Card Body with generous breathing space */
.card-body, .apple-card-body {
    padding: 1.5rem 1.85rem !important;
}

/* Card Footer with clean spacing */
.card-footer, .apple-card-footer {
    background: transparent !important;
    border-top: 1px solid rgba(0, 0, 0, 0.06) !important;
    padding: 1.15rem 1.85rem !important;
}

/* Apple Card Header Icon Badges (generous insets & soft pastel background) */
.card-header-icon {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    flex-shrink: 0;
    margin-right: 0.85rem;
    transition: var(--transition-fast);
}
.card-header-icon.primary {
    background: rgba(0, 113, 227, 0.1) !important;
    color: var(--apple-primary) !important;
}
.card-header-icon.danger {
    background: rgba(255, 59, 48, 0.1) !important;
    color: #ff3b30 !important;
}
.card-header-icon.warning {
    background: rgba(255, 149, 0, 0.1) !important;
    color: #ff9500 !important;
}
.card-header-icon.success {
    background: rgba(52, 199, 89, 0.1) !important;
    color: #34c759 !important;
}
.card-header-icon.neutral {
    background: rgba(142, 142, 147, 0.12) !important;
    color: #8e8e93 !important;
}

/* Generous internal padding for cards */
.apple-card.p-3 {
    padding: 1.5rem 1.85rem !important;
}
.apple-card.p-4 {
    padding: 1.85rem 2.15rem !important;
}

.apple-card-hover:hover {
    box-shadow: var(--shadow-card-hover) !important;
    transform: translateY(-2px);
    border-color: rgba(0, 0, 0, 0.12) !important;
}

.apple-card-glass {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(24px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
    border: 1px solid rgba(255, 255, 255, 0.6) !important;
    box-shadow: var(--shadow-card) !important;
}

/* ==========================================================================
   Glassmorphic Navigation & Headers
   ========================================================================== */
.apple-glass-nav {
    background: rgba(255, 255, 255, 0.82) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid var(--apple-border) !important;
}

.top-navbar {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid var(--apple-border) !important;
    height: 64px;
    padding: 0 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 999;
}

/* ==========================================================================
   Apple Tactile Buttons
   ========================================================================== */
.btn {
    border-radius: var(--radius-sm) !important;
    font-weight: 500 !important;
    font-size: 0.92rem;
    padding: 0.55rem 1.15rem;
    letter-spacing: -0.01em;
    transition: var(--transition-fast) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
}

.btn:active {
    transform: scale(0.985);
}

.btn-primary, .apple-btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #ffffff !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
.btn-primary:hover, .apple-btn-primary:hover {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.25);
}

.btn-light, .apple-btn-secondary {
    background-color: rgba(0, 0, 0, 0.04) !important;
    border-color: transparent !important;
    color: var(--apple-text) !important;
}
.btn-light:hover, .apple-btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.07) !important;
    color: var(--apple-text) !important;
}

.btn-outline-secondary {
    border-color: var(--apple-border) !important;
    color: var(--apple-text) !important;
    background: transparent;
}
.btn-outline-secondary:hover {
    background-color: rgba(0, 0, 0, 0.04) !important;
    border-color: rgba(0, 0, 0, 0.15) !important;
    color: var(--apple-text) !important;
}

.btn-pill {
    border-radius: var(--radius-pill) !important;
}

/* ==========================================================================
   Apple Inputs & Form Elements
   ========================================================================== */
.form-control, .form-select {
    background-color: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.12) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--apple-text) !important;
    font-size: 0.94rem;
    padding: 0.6rem 0.9rem;
    transition: var(--transition-fast) !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3.5px rgba(0, 113, 227, 0.15) !important;
    outline: none !important;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--apple-text);
    margin-bottom: 0.35rem;
}

/* ==========================================================================
   Apple Segmented Controls
   ========================================================================== */
.segmented-control {
    background-color: rgba(118, 118, 128, 0.12);
    border-radius: var(--radius-sm);
    padding: 3px;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.segmented-control .segment-btn, .segmented-control a {
    border: none;
    background: transparent;
    border-radius: 7px;
    padding: 0.35rem 0.85rem;
    font-size: 0.83rem;
    font-weight: 500;
    color: var(--apple-text-secondary);
    transition: var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.segmented-control .segment-btn:hover, .segmented-control a:hover {
    color: var(--apple-text);
}

.segmented-control .segment-btn.active, .segmented-control a.active {
    background-color: #ffffff;
    color: var(--apple-text);
    font-weight: 600;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08), 0 0 1px rgba(0, 0, 0, 0.12);
}

/* ==========================================================================
   Apple Pastel Badges
   ========================================================================== */
.badge {
    border-radius: var(--radius-pill) !important;
    font-weight: 500;
    letter-spacing: -0.01em;
    padding: 0.35em 0.75em;
    font-size: 0.78rem;
}

.badge-apple-green {
    background-color: var(--apple-green-bg) !important;
    color: #248a3d !important;
}

.badge-apple-orange {
    background-color: var(--apple-orange-bg) !important;
    color: #c97700 !important;
}

.badge-apple-red {
    background-color: var(--apple-red-bg) !important;
    color: #d70015 !important;
}

.badge-apple-blue {
    background-color: rgba(0, 113, 227, 0.1) !important;
    color: var(--apple-blue) !important;
}

.badge-apple-neutral {
    background-color: rgba(0, 0, 0, 0.05) !important;
    color: var(--apple-text-secondary) !important;
}

/* ==========================================================================
   KPI & Metric Cards
   ========================================================================== */
.kpi-card {
    background: #ffffff;
    border: 1px solid var(--apple-border);
    border-radius: var(--radius-lg);
    padding: 1.65rem 1.85rem !important;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.kpi-icon-box {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

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

.kpi-title {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--apple-text-secondary);
    margin-bottom: 0.4rem;
}

.kpi-number {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.15;
    color: var(--apple-text);
}

.kpi-subtext {
    font-size: 0.82rem;
    color: var(--apple-text-secondary);
    margin-top: 0.4rem;
}

/* ==========================================================================
   macOS Window Frame Mockup (Keynote Hero Component)
   ========================================================================== */
.macos-window {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    position: relative;
    transition: var(--transition-normal);
}

.macos-window-header {
    background: #fbfbfd;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.macos-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: inline-block;
}
.macos-dot-red { background-color: #ff5f56; border: 1px solid #e0443e; }
.macos-dot-yellow { background-color: #ffbd2e; border: 1px solid #dea123; }
.macos-dot-green { background-color: #27c93f; border: 1px solid #1aab29; }

.macos-window-title {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--apple-text-secondary);
    margin: 0 auto;
}

/* ==========================================================================
   Bento Grid Layout
   ========================================================================== */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

.bento-item {
    background: #ffffff;
    border: 1px solid var(--apple-border);
    border-radius: var(--radius-xl);
    padding: 2.25rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.bento-item:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}

/* ==========================================================================
   Sidebar Modern Navigation
   ========================================================================== */
.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg) !important;
    min-height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.sidebar .brand {
    padding: 1.35rem 1.5rem;
    color: #ffffff;
    font-weight: 600;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    letter-spacing: -0.02em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar .nav-section-title {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.4);
    padding: 1rem 1.5rem 0.35rem;
    margin: 0;
}

.sidebar .nav-link {
    color: var(--sidebar-text);
    padding: 0.6rem 1.15rem;
    margin: 0.15rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-fast);
}

.sidebar .nav-link:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.08);
}

.sidebar .nav-link.active {
    color: var(--sidebar-active-text) !important;
    background-color: var(--sidebar-active-bg) !important;
    font-weight: 600;
}

.main-wrapper {
    margin-left: 250px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

@media (max-width: 991.98px) {
    .sidebar {
        margin-left: -260px;
        width: 260px;
        box-shadow: 0 0 30px rgba(0, 0, 0, 0.4);
    }
    .sidebar.show {
        margin-left: 0;
    }
    .main-wrapper {
        margin-left: 0;
    }
    .sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.45);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 999;
        display: none;
        opacity: 0;
        transition: opacity 0.25s ease;
    }
    .sidebar-backdrop.show {
        display: block;
        opacity: 1;
    }
}

@media (max-width: 767.98px) {
    /* Prevent iOS Safari automatic form zoom when font-size < 16px */
    input, select, textarea, .form-control, .form-select, .apple-input {
        font-size: 16px !important;
    }

    /* Comfortable touch targets on mobile */
    .btn, .segmented-control .segment-btn {
        min-height: 42px;
    }

    .top-navbar {
        padding: 0 1rem !important;
        height: 58px !important;
    }

    .content-container {
        padding: 1rem 0.85rem !important;
    }

    /* Cards & Containers */
    .card, .apple-card {
        border-radius: var(--radius-md) !important;
    }
    .card-header, .apple-card-header {
        padding: 1rem 1.15rem !important;
    }
    .card-body, .apple-card-body {
        padding: 1.15rem 1.15rem !important;
    }
    .card-footer, .apple-card-footer {
        padding: 0.85rem 1.15rem !important;
    }

    /* Responsive KPI metrics */
    .kpi-card {
        padding: 1.15rem 1.25rem !important;
        border-radius: var(--radius-md) !important;
    }
    .kpi-number {
        font-size: 1.85rem !important;
    }

    /* Smooth touch table scroll */
    .table-responsive {
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius-sm);
    }
}

/* ==========================================================================
   Floating Toast & Notifications
   ========================================================================== */
.apple-toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1080;
}

.apple-toast {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--apple-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-float);
    padding: 0.9rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideInDown 0.35s var(--apple-ease);
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}