/* ============================================
   PDF42 App - Elegant Overrides
   Matching Landing Page Aesthetic
   ============================================ */

/* Refined Hero Section for App */
.app-hero {
    padding: var(--space-2xl) 0 var(--space-xl);
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.app-hero__title {
    font-family: var(--font-serif);
    font-size: var(--font-size-3xl);
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: var(--line-height-tight);
}

.app-hero__subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
}

/* Elegant Tool Section */
.tools {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg) var(--space-2xl);
}

.tools__title {
    font-family: var(--font-serif);
    font-size: var(--font-size-2xl);
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    text-align: center;
}

/* Premium Category Headers */
.category-section {
    margin-bottom: var(--space-2xl);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-lg);
    border-left: 0;
    border: 1px solid;
    background: white;
    box-shadow: 0 1px 3px var(--shadow-sm);
    transition: all var(--transition-fast);
}

.category-header:hover {
    box-shadow: 0 4px 12px var(--shadow-md);
    transform: translateY(-1px);
}

.category-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.category-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    flex: 1;
}

.category-badge {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.05);
}

/* Refined Category Colors */
.category-header--organize {
    background: linear-gradient(135deg, #fafbff 0%, #f3f4ff 100%);
    border-color: #e0e7ff;
    color: #4338CA;
}

.category-header--organize:hover {
    border-color: #c7d2fe;
}

.category-header--convert {
    background: linear-gradient(135deg, #f7fef9 0%, #ecfdf5 100%);
    border-color: #d1fae5;
    color: #047857;
}

.category-header--convert:hover {
    border-color: #a7f3d0;
}

.category-header--edit {
    background: linear-gradient(135deg, #fffaf3 0%, #fff7ed 100%);
    border-color: #fed7aa;
    color: #D97706;
}

.category-header--edit:hover {
    border-color: #fdba74;
}

.category-header--security {
    background: linear-gradient(135deg, #f4fdfa 0%, #f0fdfa 100%);
    border-color: #99f6e4;
    color: #0F766E;
}

.category-header--security:hover {
    border-color: #5eead4;
}

/* Premium Tool Grid */
.tools__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-lg);
}

@media (min-width: 1200px) {
    .tools__grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .tools__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 767px) {
    .tools__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
}

/* Elegant Tool Cards */
.tool-card {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: visible;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-primary);
}

.tool-card:active {
    transform: translateY(-2px);
}

.tool-card__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    transition: transform var(--transition-fast);
}

.tool-card:hover .tool-card__icon {
    transform: scale(1.05);
}

.tool-card__icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 2;
}

.tool-card__title {
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}

.tool-card__desc {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

/* Category-Specific Card Styles */
.tool-card--organize {
    border-left: 3px solid #6366F1;
}

.tool-card--organize:hover {
    border-left-color: #4F46E5;
}

.tool-card--organize .tool-card__icon {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    color: #6366F1;
}

.tool-card--convert {
    border-left: 3px solid #10B981;
}

.tool-card--convert:hover {
    border-left-color: #059669;
}

.tool-card--convert .tool-card__icon {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    color: #10B981;
}

.tool-card--edit {
    border-left: 3px solid #F59E0B;
}

.tool-card--edit:hover {
    border-left-color: #D97706;
}

.tool-card--edit .tool-card__icon {
    background: linear-gradient(135deg, #FFF7ED 0%, #FFEDD5 100%);
    color: #F59E0B;
}

.tool-card--security {
    border-left: 3px solid #14B8A6;
}

.tool-card--security:hover {
    border-left-color: #0D9488;
}

.tool-card--security .tool-card__icon {
    background: linear-gradient(135deg, #F0FDFA 0%, #CCFBF1 100%);
    color: #14B8A6;
}

/* Mobile Refinements */
@media (max-width: 767px) {
    .app-hero {
        padding: var(--space-xl) 0 var(--space-md);
    }

    .app-hero__title {
        font-size: var(--font-size-2xl);
    }

    .category-section {
        margin-bottom: var(--space-lg);
    }

    .category-header {
        padding: var(--space-sm) var(--space-md);
        margin-bottom: var(--space-md);
    }

    .category-icon {
        width: 18px;
        height: 18px;
    }

    .category-title {
        font-size: var(--font-size-base);
    }

    .category-badge {
        font-size: 11px;
        padding: 2px 8px;
    }

    .tool-card {
        min-height: 120px;
        padding: var(--space-md);
    }

    .tool-card__icon {
        width: 40px;
        height: 40px;
        margin-bottom: var(--space-sm);
    }

    .tool-card__icon svg {
        width: 24px;
        height: 24px;
    }

    .tool-card__title {
        font-size: 13px;
    }

    .tool-card__desc {
        font-size: 11px;
    }
}

/* Tablet Refinements */
@media (min-width: 768px) and (max-width: 1199px) {
    .tool-card {
        min-height: 130px;
    }
}

/* Ensure smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Add subtle page background */
body {
    background: linear-gradient(to bottom,
            var(--bg-primary) 0%,
            var(--bg-secondary) 50%,
            var(--bg-primary) 100%);
}