/* Tool Page V2 - Sophisticated Light Design */

/* ================================
   CSS Variables
   ================================ */
:root {
    --tool-bg: #ffffff;
    --tool-bg-subtle: #f8fafc;
    --tool-surface: #ffffff;
    --tool-border: #e2e8f0;
    --tool-text: #0f172a;
    --tool-text-secondary: #475569;
    --tool-text-muted: #64748b;
    --tool-accent: #3b82f6;
    --tool-accent-light: #eff6ff;
    --tool-gradient-1: #3b82f6;
    --tool-gradient-2: #8b5cf6;
    --tool-gradient-3: #ec4899;
}

/* ================================
   Page Base
   ================================ */
.tool-page {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    background: var(--tool-bg);
}

.tool-page * {
    font-family: inherit;
}

/* ================================
   Hero Section
   ================================ */
.tool-hero {
    position: relative;
    padding: 2rem 1.5rem 1.5rem;
    margin-top: 70px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--tool-bg-subtle) 0%, var(--tool-bg) 100%);
}

.tool-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: 
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 20% 30%, rgba(236, 72, 153, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.tool-hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* Tool Badge */
.tool-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.875rem;
    background: var(--tool-surface);
    border: 1px solid var(--tool-border);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    animation: fadeInUp 0.5s ease;
}

.tool-badge-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-badge-icon img {
    width: 14px;
    height: 14px;
}

/* Tool Title */
.tool-title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--tool-text);
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
    line-height: 1.1;
    animation: fadeInUp 0.5s ease 0.1s both;
}

.tool-title .gradient-text {
    background: linear-gradient(135deg, var(--tool-gradient-1) 0%, var(--tool-gradient-2) 50%, var(--tool-gradient-3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Tool Subtitle */
.tool-subtitle {
    font-size: 1.125rem;
    color: var(--tool-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.5s ease 0.2s both;
}

/* Error Alert */
.tool-error-alert {
    max-width: 600px;
    margin: 0 auto 1.5rem;
    padding: 1rem 1.25rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0.75rem;
    color: #dc2626;
    font-size: 0.9375rem;
    display: none;
    animation: fadeInUp 0.3s ease;
}

.tool-error-alert.show {
    display: block;
}

/* ================================
   Dropzone Section
   ================================ */
.tool-dropzone-section {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 1.5rem 1.5rem;
    animation: fadeInUp 0.5s ease 0.3s both;
}

/* Dropzone Card */
.dropzone-card-v2 {
    background: var(--tool-surface);
    border: 2px dashed var(--tool-border);
    border-radius: 1.25rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.dropzone-card-v2:hover {
    border-color: var(--tool-accent);
    background: var(--tool-accent-light);
}

.dropzone-card-v2.dz-drag-hover {
    border-color: var(--tool-accent);
    background: var(--tool-accent-light);
    transform: scale(1.01);
}

/* Upload Icon */
.dropzone-icon-v2 {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.dropzone-icon-v2 .icon-bg {
    width: 100%;
    height: 100%;
    border-radius: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.dropzone-icon-v2 img {
    width: 40px;
    height: 40px;
}

.dropzone-icon-v2 .upload-arrow {
    position: absolute;
    bottom: -8px;
    right: -8px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--tool-gradient-1), var(--tool-gradient-2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.dropzone-icon-v2 .upload-arrow svg {
    width: 16px;
    height: 16px;
    color: white;
}

/* Upload Button */
.dropzone-btn-v2 {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--tool-gradient-1), var(--tool-gradient-2));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
    margin-bottom: 1rem;
}

.dropzone-btn-v2:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

.dropzone-btn-v2 svg {
    width: 20px;
    height: 20px;
}

/* Dropzone Text */
.dropzone-hint-v2 {
    font-size: 0.9375rem;
    color: var(--tool-text-muted);
    margin-bottom: 1.25rem;
}

.dropzone-hint-v2 strong {
    color: var(--tool-text-secondary);
}

/* Format Badges */
.format-badges-v2 {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.format-badge-v2 {
    padding: 0.375rem 0.75rem;
    background: var(--tool-bg-subtle);
    border: 1px solid var(--tool-border);
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--tool-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Loading State */
.dropzone-loading-v2 {
    display: none;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

.dropzone-loading-v2.active {
    display: flex;
}

.loading-spinner-v2 {
    width: 48px;
    height: 48px;
    border: 3px solid var(--tool-border);
    border-top-color: var(--tool-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

.loading-text-v2 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--tool-text-secondary);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ================================
   Trust Badges
   ================================ */
.tool-trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--tool-border);
}

.tool-trust-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--tool-text-muted);
}

.tool-trust-badge svg {
    width: 18px;
    height: 18px;
    color: #10b981;
}

.tool-trust-badge.rating {
    color: var(--tool-text-secondary);
    font-weight: 500;
}

.tool-trust-badge .stars {
    display: flex;
    gap: 2px;
}

.tool-trust-badge .stars svg {
    width: 14px;
    height: 14px;
    color: #fbbf24;
    fill: #fbbf24;
}

@media (max-width: 768px) {
    .tool-trust-badges {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
}

/* ================================
   Features Section
   ================================ */
.tool-features {
    background: var(--tool-bg-subtle);
    padding: 3rem 1.5rem;
    margin-top: 2rem;
}

.tool-features-container {
    max-width: 1200px;
    margin: 0 auto;
}

.tool-features-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-features-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--tool-text);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.tool-features-subtitle {
    font-size: 1rem;
    color: var(--tool-text-muted);
}

.tool-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (max-width: 768px) {
    .tool-features-grid {
        grid-template-columns: 1fr;
    }
}

.tool-feature-card {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--tool-surface);
    border: 1px solid var(--tool-border);
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.tool-feature-card:hover {
    border-color: var(--tool-accent);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.08);
    transform: translateY(-2px);
}

.tool-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--tool-gradient-1), var(--tool-gradient-2));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tool-feature-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.tool-feature-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 0.375rem;
}

.tool-feature-content p {
    font-size: 0.875rem;
    color: var(--tool-text-muted);
    line-height: 1.5;
}

/* ================================
   All Tools Section
   ================================ */
.tool-all-tools {
    background: var(--tool-bg);
    padding: 3rem 1.5rem;
}

.tool-all-tools-container {
    max-width: 1200px;
    margin: 0 auto;
}

.tool-all-tools-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.tool-all-tools-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--tool-text);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.tool-all-tools-subtitle {
    font-size: 1rem;
    color: var(--tool-text-muted);
}

/* ================================
   Mobile Upload Bar
   ================================ */
.tool-mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem 1.5rem;
    background: var(--tool-surface);
    border-top: 1px solid var(--tool-border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

@media (max-width: 768px) {
    .tool-mobile-bar {
        display: block;
    }

    .tool-dropzone-section .dropzone-card-v2 {
        display: none;
    }

    .tool-hero {
        padding-bottom: 2rem;
    }

    .tool-features {
        padding-bottom: 8rem;
    }
}

.tool-mobile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--tool-gradient-1), var(--tool-gradient-2));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.tool-mobile-btn svg {
    width: 22px;
    height: 22px;
}

/* ================================
   Animations
   ================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.5s ease both;
}

/* ================================
   Responsive
   ================================ */
@media (max-width: 640px) {
    .tool-hero {
        padding: 1.5rem 1rem 1rem;
    }

    .tool-title {
        font-size: 1.75rem;
    }

    .tool-subtitle {
        font-size: 0.9375rem;
        margin-bottom: 0.75rem;
    }

    .tool-badge {
        margin-bottom: 0.5rem;
        padding: 0.25rem 0.75rem;
        font-size: 0.6875rem;
    }

    .dropzone-card-v2 {
        padding: 1.5rem 1rem;
    }

    .dropzone-icon-v2 {
        width: 56px;
        height: 56px;
    }

    .dropzone-icon-v2 img {
        width: 28px;
        height: 28px;
    }

    .tool-features {
        padding: 2rem 1rem;
        margin-top: 1.5rem;
    }
}