/* ============================================
   PowerfulTools - Landing Page Styles
   Aesthetic: Dark Industrial with Orange Accents
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* Override base fonts for landing */
:root {
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* ============================================
   Page Layout
   ============================================ */

.landing-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-dark);
    position: relative;
    overflow-x: hidden;
}

/* Subtle grid pattern overlay */
.landing-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   Header / Navigation
   ============================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: contain;
}

.logo-text h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
    background: linear-gradient(135deg, #fff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text .tagline {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Account Section in Header */
.account-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.credit-display {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
}

.credit-count {
    font-weight: 600;
    color: var(--success-color);
}

.credit-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.btn-add-credits {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
    background: var(--success-color);
    border: none;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-add-credits:hover {
    background: #38a169;
    transform: scale(1.1);
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-section);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-display);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar:hover {
    border-color: var(--primary-color);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown .user-email {
    display: block;
    padding: 12px 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
}

.user-dropdown .btn-logout {
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-dropdown .btn-logout:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-signin {
    padding: 10px 24px;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-display);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.btn-signin:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(252, 76, 2, 0.3);
    color: white;
}

.btn-buy-credits-logged-out {
    padding: 10px 20px;
    background: rgba(72, 187, 120, 0.15);
    border: 1px solid rgba(72, 187, 120, 0.4);
    border-radius: var(--radius-md);
    color: #48bb78;
    font-family: var(--font-display);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-right: 12px;
}

.btn-buy-credits-logged-out:hover {
    background: rgba(72, 187, 120, 0.25);
    border-color: rgba(72, 187, 120, 0.6);
    transform: translateY(-2px);
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
    position: relative;
    padding: 80px 40px 60px;
    text-align: center;
    z-index: 1;
}

/* Animated gradient orb behind hero */
.hero-section::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(252, 76, 2, 0.15) 0%, transparent 60%);
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.8; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============================================
   Tools Grid
   ============================================ */

.tools-section {
    position: relative;
    padding: 40px;
    z-index: 1;
    flex: 1;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ============================================
   Tool Card
   ============================================ */

.tool-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(252, 76, 2, 0.1);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-card.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
}

.tool-card.coming-soon:hover {
    transform: none;
    border-color: var(--border-color);
    box-shadow: none;
}

.tool-card.coming-soon::before {
    display: none;
}

.tool-card-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.tool-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.tool-card:hover .tool-icon {
    background: rgba(252, 76, 2, 0.1);
    border-color: var(--primary-color);
}

.tool-meta {
    flex: 1;
    min-width: 0;
}

.tool-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.tool-category {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tool-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.tool-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.tool-cost {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.tool-cost-value {
    color: var(--success-color);
    font-weight: 600;
}

.tool-cost-label {
    color: var(--text-secondary);
}

.tool-action {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
    transition: gap var(--transition-fast);
}

.tool-card:hover .tool-action {
    gap: 10px;
}

.tool-action svg {
    transition: transform var(--transition-fast);
}

.tool-card:hover .tool-action svg {
    transform: translateX(4px);
}

/* Coming Soon Badge */
.coming-soon-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
    padding: 24px 40px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    z-index: 1;
}

/* ============================================
   Animations
   ============================================ */

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

.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

.tool-card {
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}

.tool-card:nth-child(1) { animation-delay: 0.1s; }
.tool-card:nth-child(2) { animation-delay: 0.15s; }
.tool-card:nth-child(3) { animation-delay: 0.2s; }
.tool-card:nth-child(4) { animation-delay: 0.25s; }
.tool-card:nth-child(5) { animation-delay: 0.3s; }
.tool-card:nth-child(6) { animation-delay: 0.35s; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .site-header {
        padding: 16px 20px;
    }

    .logo-text h1 {
        font-size: 1.25rem;
    }

    .logo-text .tagline {
        display: none;
    }

    .hero-section {
        padding: 60px 20px 40px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .tools-section {
        padding: 24px 20px;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .tool-card {
        padding: 20px;
    }

    .credit-display {
        padding: 6px 12px;
        font-size: 0.85rem;
    }

    .credit-label {
        display: none;
    }
}

@media (max-width: 480px) {
    .header-right .account-section {
        gap: 8px;
    }

    .btn-add-credits {
        width: 24px;
        height: 24px;
        font-size: 1rem;
    }
}

/* ============================================
   Theme Toggle Button
   ============================================ */

.btn-theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.btn-theme-toggle:hover {
    background: var(--bg-card);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.btn-theme-toggle .sun-icon {
    display: none;
}

.btn-theme-toggle .moon-icon {
    display: block;
}

/* Light theme: show sun, hide moon */
[data-theme="light"] .btn-theme-toggle .sun-icon,
.btn-theme-toggle.theme-light .sun-icon {
    display: block;
}

[data-theme="light"] .btn-theme-toggle .moon-icon,
.btn-theme-toggle.theme-light .moon-icon {
    display: none;
}

/* ============================================
   Enhanced User Dropdown
   ============================================ */

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: 16px 18px;
    background: var(--bg-section);
}

.dropdown-header .user-email {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0;
    border: none;
    margin: 0;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 18px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-section);
}

.dropdown-item svg {
    color: var(--text-secondary);
    flex-shrink: 0;
}

.dropdown-item:hover svg {
    color: var(--primary-color);
}

.dropdown-item.text-danger {
    color: var(--error-color);
}

.dropdown-item.text-danger svg {
    color: var(--error-color);
}

.dropdown-item.text-danger:hover {
    background: rgba(252, 129, 129, 0.1);
}

/* ============================================
   Auth View Toggle
   ============================================ */

.auth-view {
    display: flex;
    align-items: center;
    gap: 16px;
}

.auth-view.hidden {
    display: none;
}

/* ============================================
   Keyboard Shortcut Hint
   ============================================ */

.shortcut-hint {
    position: fixed;
    bottom: 20px;
    left: 20px;
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--text-muted);
    z-index: 50;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.shortcut-hint:hover {
    opacity: 1;
}

.shortcut-hint kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-mono);
    margin-left: 4px;
}

/* ============================================
   Light Theme Adjustments
   ============================================ */

[data-theme="light"] .landing-page::before {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

[data-theme="light"] .site-header {
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .hero-section::before {
    background: radial-gradient(circle, rgba(252, 76, 2, 0.08) 0%, transparent 60%);
}

[data-theme="light"] .logo-text h1 {
    background: linear-gradient(135deg, #1a202c 0%, #4a5568 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .tool-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(252, 76, 2, 0.2);
}