/* ========================================================================
   UNIFIED MODERN DESIGN SYSTEM 2025
   Consistent styling, professional shadows, compact sizing
   ======================================================================== */

/* ========================================================================
   1. RESET & UNIFIED SPACING (More Compact)
   ======================================================================== */

:root {
    /* Extra Compact 3px/6px base grid - Smaller */
    --spacing-xs: 3px;
    --spacing-sm: 6px;
    --spacing-md: 10px;
    --spacing-base: 14px;
    --spacing-lg: 18px;
    --spacing-xl: 22px;
    --spacing-2xl: 28px;
    --spacing-3xl: 36px;
    --spacing-4xl: 44px;

    /* Professional Shadows - Subtle and Consistent */
    --shadow-subtle: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-soft: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 8px -2px rgba(0, 0, 0, 0.08);
    --shadow-elevated: 0 8px 16px -4px rgba(0, 0, 0, 0.10);
    --shadow-high: 0 16px 32px -8px rgba(0, 0, 0, 0.12);
    --shadow-modal: 0 24px 48px -12px rgba(0, 0, 0, 0.18);

    /* Unified Border Radius - Smaller */
    --radius-sm: 5px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;

    /* Modern Typography - Extra Compact */
    --text-2xs: 0.625rem;    /* 10px */
    --text-xs: 0.6875rem;    /* 11px */
    --text-sm: 0.75rem;      /* 12px */
    --text-base: 0.8125rem;  /* 13px */
    --text-md: 0.875rem;     /* 14px */
    --text-lg: 0.9375rem;    /* 15px */
    --text-xl: 1rem;         /* 16px */
    --text-2xl: 1.125rem;    /* 18px */
    --text-3xl: 1.375rem;    /* 22px */
    --text-4xl: 1.625rem;    /* 26px */
    --text-5xl: 2rem;        /* 32px */

    /* Unified Colors - Modern Palette */
    --color-primary: #0ea5e9;
    --color-primary-light: #38bdf8;
    --color-primary-dark: #0284c7;
    --color-secondary: #a855f7;
    --color-accent: #f97316;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Neutral Grays */
    --color-bg-page: #f8fafc;
    --color-bg-card: #ffffff;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-tertiary: #94a3b8;
}

/* ========================================================================
   2. UNIFIED CONTAINER SYSTEM
   ======================================================================== */

.section-modern {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-page);
}

.section-modern.white {
    background: white;
}

.section-modern.alt {
    background: linear-gradient(180deg, white 0%, var(--color-bg-page) 100%);
}

/* Unified Card Style for ALL Components - Better Padding */
.card-modern {
    background: var(--color-bg-card);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
    margin-bottom: var(--spacing-lg);
}

.card-modern:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-color: rgba(14, 165, 233, 0.2);
    transform: translateY(-1px);
}

.card-modern-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.card-modern-body {
    padding: var(--spacing-xl);
}

.card-modern-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg-page);
}

/* ========================================================================
   3. UNIFIED TYPOGRAPHY SYSTEM
   ======================================================================== */

.heading-modern-1 {
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.heading-modern-2 {
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-md);
}

.heading-modern-3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.heading-modern-4 {
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.text-modern-body {
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.text-modern-small {
    font-size: var(--text-sm);
    line-height: 1.5;
    color: var(--color-text-tertiary);
}

/* ========================================================================
   4. UNIFIED BUTTON SYSTEM - More Compact
   ======================================================================== */

.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

/* Ensure button content stays above shine effect */
.btn-modern > * {
    position: relative;
    z-index: 1;
}

.btn-modern-primary {
    /* iPhone-style Glassmorphism Effect */
    background: linear-gradient(135deg,
        rgba(14, 165, 233, 0.85) 0%,
        rgba(2, 132, 199, 0.90) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow:
        0 8px 32px 0 rgba(14, 165, 233, 0.25),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.4),
        0 4px 12px 0 rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

/* Glass shine effect overlay */
.btn-modern-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-modern-primary:hover::before {
    left: 100%;
}

.btn-modern-primary:hover {
    background: linear-gradient(135deg,
        rgba(14, 165, 233, 0.90) 0%,
        rgba(2, 132, 199, 0.95) 100%);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow:
        0 12px 40px 0 rgba(14, 165, 233, 0.35),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.5),
        0 8px 20px 0 rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.btn-modern-primary:active {
    transform: translateY(0);
    box-shadow:
        0 4px 16px 0 rgba(14, 165, 233, 0.3),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
}

.btn-modern-secondary {
    /* Subtle Glass Effect for Secondary */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    color: var(--color-primary);
    border: 1px solid rgba(14, 165, 233, 0.2);
    box-shadow:
        0 4px 16px 0 rgba(0, 0, 0, 0.04),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
}

.btn-modern-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(14, 165, 233, 0.1),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-modern-secondary:hover::before {
    left: 100%;
}

.btn-modern-secondary:hover {
    background: rgba(248, 250, 252, 0.98);
    border-color: var(--color-primary);
    box-shadow:
        0 6px 24px 0 rgba(14, 165, 233, 0.12),
        inset 0 1px 0 0 rgba(255, 255, 255, 1);
    transform: translateY(-1px);
}

.btn-modern-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-xs);
}

.btn-modern-lg {
    padding: var(--spacing-base) var(--spacing-2xl);
    font-size: var(--text-base);
}

/* ========================================================================
   5. UNIFIED BADGE SYSTEM - Smaller
   ======================================================================== */

.badge-modern {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.badge-modern-primary {
    background: rgba(14, 165, 233, 0.1);
    color: var(--color-primary-dark);
}

.badge-modern-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.badge-modern-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.badge-modern-accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, #ea580c 100%);
    color: white;
}

/* ========================================================================
   6. PREMIUM PROFESSIONAL REVIEW SYSTEM - Modern & Responsive
   ======================================================================== */

.review-modern {
    background: white;
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s ease;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.review-modern:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-2px);
}

.review-modern-header {
    display: flex;
    gap: 14px;
    margin-bottom: 14px;
}

.review-modern-avatar {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.review-modern-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-modern-info {
    flex: 1;
    min-width: 0;
}

.review-modern-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 5px;
    letter-spacing: -0.01em;
}

.review-modern-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.review-stars {
    display: flex;
    gap: 2px;
}

.review-star {
    font-size: 13px;
    color: #fbbf24;
}

.review-star.empty {
    color: var(--color-border);
    opacity: 0.5;
}

.review-modern-date {
    font-size: 12px;
    color: var(--color-text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.review-modern-date i {
    font-size: 11px;
}

.review-modern-verified {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 999px;
    color: #10b981;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.review-modern-verified i {
    font-size: 11px;
}

.review-modern-content {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 14px;
    padding: 0 4px;
}

.review-modern-actions {
    display: flex;
    gap: 8px;
    padding-top: 14px;
    border-top: 1px solid rgba(226, 232, 240, 0.5);
    flex-wrap: wrap;
}

.review-action-btn-modern {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: rgba(248, 250, 252, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.review-action-btn-modern:hover {
    background: white;
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 2px 6px rgba(14, 165, 233, 0.15);
    transform: translateY(-1px);
}

.review-action-btn-modern i {
    font-size: 13px;
}

/* ========================================================================
   7. MODERN GRID SYSTEM - More Compact
   ======================================================================== */

.grid-modern {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-modern-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-modern-3 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid-modern-4 {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

/* ========================================================================
   8. MODERN INPUT SYSTEM - Compact
   ======================================================================== */

.input-modern {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-base);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
    outline: none;
}

.input-modern:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.textarea-modern {
    min-height: 100px;
    resize: vertical;
}

/* ========================================================================
   9. MODERN ANIMATIONS - Subtle
   ======================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-modern {
    animation: fadeInUp 0.3s ease-out;
}

/* ========================================================================
   10. RESPONSIVE - Mobile Optimizations
   ======================================================================== */

@media (max-width: 1199px) {
    .row.g-modern-lg {
        --bs-gutter-y: var(--spacing-lg);
    }
}

@media (max-width: 991px) {
    :root {
        --text-5xl: 1.75rem;
        --text-4xl: 1.5rem;
        --text-3xl: 1.25rem;
    }

    .card-modern-header {
        padding: var(--spacing-base);
    }

    .card-modern-body {
        padding: var(--spacing-base);
    }

    .grid-modern-2 {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .grid-modern-3 {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .grid-modern-4 {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --text-5xl: 1.5rem;
        --text-4xl: 1.375rem;
        --text-3xl: 1.125rem;
        --text-2xl: 1rem;
        --spacing-3xl: 20px;
        --spacing-4xl: 28px;
    }

    .card-modern {
        border-radius: var(--radius-md);
        margin-bottom: var(--spacing-md);
    }

    .card-modern-header {
        padding: 14px 16px;
    }

    .card-modern-body {
        padding: 16px;
    }

    .grid-modern-2,
    .grid-modern-3,
    .grid-modern-4 {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .heading-modern-1 {
        font-size: var(--text-3xl);
    }

    .heading-modern-2 {
        font-size: var(--text-2xl);
    }

    .heading-modern-3 {
        font-size: var(--text-xl);
    }

    .heading-modern-4 {
        font-size: var(--text-lg);
    }

    .btn-modern {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }

    .btn-modern-lg {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    /* Premium Mobile Review Styles */
    .review-modern {
        padding: 16px;
        border-radius: 10px;
        margin-bottom: 12px;
    }

    .review-modern-header {
        gap: 12px;
        margin-bottom: 12px;
    }

    .review-modern-avatar {
        width: 42px;
        height: 42px;
    }

    .review-modern-name {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .review-modern-meta {
        gap: 8px;
    }

    .review-star {
        font-size: 12px;
    }

    .review-modern-date {
        font-size: 11px;
    }

    .review-modern-verified {
        padding: 3px 7px;
        font-size: 9px;
    }

    .review-modern-content {
        font-size: 13px;
        line-height: 1.65;
        margin-bottom: 12px;
    }

    .review-modern-actions {
        gap: 6px;
        padding-top: 12px;
    }

    .review-action-btn-modern {
        padding: 6px 10px;
        font-size: 11px;
        gap: 4px;
    }

    .review-action-btn-modern i {
        font-size: 12px;
    }
}

@media (max-width: 576px) {
    :root {
        --text-5xl: 1.375rem;
        --text-4xl: 1.25rem;
        --text-3xl: 1.125rem;
        --spacing-lg: 14px;
        --spacing-xl: 18px;
        --spacing-2xl: 24px;
        --spacing-3xl: 28px;
    }

    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .card-modern {
        margin-bottom: var(--spacing-sm);
    }

    .card-modern-header {
        padding: 12px 14px;
    }

    .card-modern-body {
        padding: 14px;
    }

    .row.g-modern-lg {
        --bs-gutter-x: var(--spacing-md);
        --bs-gutter-y: var(--spacing-md);
    }

    .p-modern-lg {
        padding: var(--spacing-md);
    }

    .p-modern-xl {
        padding: var(--spacing-lg);
    }

    .mb-modern-xl {
        margin-bottom: var(--spacing-lg);
    }

    .grid-modern {
        gap: var(--spacing-sm);
    }

    .btn-modern i {
        font-size: var(--text-sm);
    }

    /* Extra Small Mobile - Premium Review Styles */
    .review-modern {
        padding: 14px;
        border-radius: 8px;
        margin-bottom: 10px;
    }

    .review-modern-header {
        gap: 10px;
        margin-bottom: 10px;
    }

    .review-modern-avatar {
        width: 38px;
        height: 38px;
        border: 1.5px solid rgba(226, 232, 240, 0.8);
    }

    .review-modern-name {
        font-size: 13px;
        margin-bottom: 3px;
    }

    .review-modern-meta {
        gap: 6px;
    }

    .review-star {
        font-size: 11px;
    }

    .review-modern-date {
        font-size: 10px;
    }

    .review-modern-date i {
        font-size: 9px;
    }

    .review-modern-verified {
        padding: 2px 6px;
        font-size: 8px;
        gap: 3px;
    }

    .review-modern-verified i {
        font-size: 9px;
    }

    .review-modern-content {
        font-size: 12px;
        line-height: 1.6;
        margin-bottom: 10px;
        padding: 0 2px;
    }

    .review-modern-actions {
        gap: 5px;
        padding-top: 10px;
    }

    .review-action-btn-modern {
        padding: 5px 9px;
        font-size: 10px;
        gap: 3px;
        border-radius: 5px;
    }

    .review-action-btn-modern i {
        font-size: 11px;
    }
}

@media (max-width: 400px) {
    :root {
        --spacing-base: 12px;
        --spacing-lg: 12px;
        --spacing-xl: 16px;
    }

    .card-modern-header {
        padding: 10px 12px;
    }

    .card-modern-body {
        padding: 12px;
    }

    .btn-modern-lg {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }

    /* Ultra-Compact Mobile - Premium Review Styles */
    .review-modern {
        padding: 12px;
        border-radius: 8px;
        margin-bottom: 8px;
    }

    .review-modern-header {
        gap: 8px;
        margin-bottom: 8px;
    }

    .review-modern-avatar {
        width: 36px;
        height: 36px;
    }

    .review-modern-name {
        font-size: 12px;
    }

    .review-modern-meta {
        gap: 5px;
    }

    .review-star {
        font-size: 10px;
    }

    .review-modern-date {
        font-size: 9px;
    }

    .review-modern-verified {
        padding: 2px 5px;
        font-size: 7px;
    }

    .review-modern-content {
        font-size: 11px;
        line-height: 1.55;
        margin-bottom: 8px;
    }

    .review-modern-actions {
        gap: 4px;
        padding-top: 8px;
    }

    .review-action-btn-modern {
        padding: 4px 8px;
        font-size: 9px;
        gap: 2px;
    }

    .review-action-btn-modern i {
        font-size: 10px;
    }
}

/* ========================================================================
   11. UTILITY CLASSES
   ======================================================================== */

.shadow-modern-soft { box-shadow: var(--shadow-soft); }
.shadow-modern-medium { box-shadow: var(--shadow-medium); }
.shadow-modern-elevated { box-shadow: var(--shadow-elevated); }

.rounded-modern-sm { border-radius: var(--radius-sm); }
.rounded-modern-md { border-radius: var(--radius-md); }
.rounded-modern-lg { border-radius: var(--radius-lg); }
.rounded-modern-xl { border-radius: var(--radius-xl); }

.gap-modern-sm { gap: var(--spacing-sm); }
.gap-modern-md { gap: var(--spacing-md); }
.gap-modern-lg { gap: var(--spacing-lg); }

.p-modern-sm { padding: var(--spacing-sm); }
.p-modern-md { padding: var(--spacing-md); }
.p-modern-lg { padding: var(--spacing-lg); }
.p-modern-xl { padding: var(--spacing-xl); }

.mb-modern-sm { margin-bottom: var(--spacing-sm); }
.mb-modern-md { margin-bottom: var(--spacing-md); }
.mb-modern-lg { margin-bottom: var(--spacing-lg); }
.mb-modern-xl { margin-bottom: var(--spacing-xl); }