:root {
    --bg-dark: #0f0f1a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --gradient-start: #a855f7;
    --gradient-mid: #ec4899;
    --gradient-end: #f97316;
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-glow: 0 0 40px rgba(168, 85, 247, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.app {
    min-height: 100vh;
    background: linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
}

.app.light {
    --bg-dark: #f8f9fa;
    --bg-card: rgba(0, 0, 0, 0.05);
    --text-primary: #1a1a2e;
    --text-secondary: rgba(0, 0, 0, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);
}

/* Confetti */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    top: -20px;
    border-radius: 2px;
    animation: confetti-fall 3s ease-out forwards;
}

@keyframes confetti-fall {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    padding: 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-glow);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.bounce-emoji {
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.tagline {
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.theme-toggle {
    background: rgba(255,255,255,0.2);
    border: none;
    padding: 0.75rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

/* Hero Section */
.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 2rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.2) 0%, transparent 70%);
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow-text 3s ease-in-out infinite alternate;
}

@keyframes glow-text {
    0% { filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.5)); }
    100% { filter: drop-shadow(0 0 40px rgba(236, 72, 153, 0.8)); }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 1rem 0 2rem;
}

.cta-btn {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.cta-btn.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(168, 85, 247, 0.7); }
    50% { box-shadow: 0 0 0 20px rgba(168, 85, 247, 0); }
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.4);
}

.floating-code {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.code-snippet {
    position: absolute;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: rgba(168, 85, 247, 0.4);
    animation: float 6s ease-in-out infinite;
}

.s1 { top: 20%; left: 10%; animation-delay: 0s; }
.s2 { top: 60%; right: 15%; animation-delay: 2s; }
.s3 { bottom: 20%; left: 20%; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(-2deg); opacity: 0.3; }
    50% { transform: translateY(-20px) rotate(2deg); opacity: 0.6; }
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Vibe Meter */
.vibe-meter-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.vibe-meter {
    width: 250px;
    height: 250px;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.vibe-meter:hover {
    transform: scale(1.02);
}

.vibe-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.vibe-track {
    fill: none;
    stroke: var(--bg-card);
    stroke-width: 12;
}

.vibe-progress {
    fill: none;
    stroke: url(#vibeGradient);
    stroke-width: 12;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.vibe-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.vibe-number {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.vibe-percent {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.vibe-message {
    font-size: 1.3rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.vibe-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Tool Cards */
.tools-scroll {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding: 1rem 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.tools-scroll::-webkit-scrollbar {
    height: 8px;
}

.tools-scroll::-webkit-scrollbar-track {
    background: var(--bg-card);
    border-radius: 4px;
}

.tools-scroll::-webkit-scrollbar-thumb {
    background: var(--gradient-mid);
    border-radius: 4px;
}

.tool-card {
    min-width: 300px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    scroll-snap-align: start;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--gradient-mid);
}

.tool-card.expanded {
    border-color: var(--gradient-start);
}

.tool-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.tool-card-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
}

.tool-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tool-badge.premium {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    color: white;
}

.tool-badge.combo {
    background: linear-gradient(135deg, #f97316, #fbbf24);
    color: white;
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.tool-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.tool-item:last-child {
    border-bottom: none;
}

.tool-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tool-name {
    font-weight: 600;
}

.mini-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 600;
}

.mini-badge.premium {
    background: rgba(168, 85, 247, 0.2);
    color: var(--gradient-start);
}

.mini-badge.budget {
    background: rgba(107, 203, 119, 0.2);
    color: #6bcb77;
}

.mini-badge.fire {
    background: rgba(249, 115, 22, 0.2);
    color: #f97316;
}

.tool-details {
    margin-top: 0.75rem;
    padding-left: 0.5rem;
    animation: slideIn 0.3s ease;
}

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

.tool-pros {
    color: #6bcb77;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

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

.card-expand-hint {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* Project Generator */
.project-generator {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
}

.category-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.category-toggle {
    padding: 0.5rem 1rem;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.category-toggle.active {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    color: white;
    border-color: transparent;
}

.generate-btn {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    border: none;
    border-radius: 15px;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.3s ease;
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.4);
}

.generate-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.generated-idea {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(168, 85, 247, 0.1);
    border-radius: 15px;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.idea-category {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--gradient-mid);
    color: white;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.idea-text {
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.5;
    min-height: 3em;
}

.cursor-blink {
    animation: blink 0.8s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.save-idea-btn {
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--gradient-start);
    color: var(--gradient-start);
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    transition: all 0.3s ease;
}

.save-idea-btn:hover:not(:disabled) {
    background: var(--gradient-start);
    color: white;
}

.save-idea-btn.saved {
    background: #6bcb77;
    border-color: #6bcb77;
    color: white;
    cursor: default;
}

/* Saved Ideas */
.saved-ideas {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
    font-style: italic;
}

.ideas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.idea-card {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(251, 191, 36, 0.1));
    border: none;
    border-radius: 15px;
    padding: 1.25rem;
    position: relative;
    transform: rotate(-1deg);
    transition: all 0.3s ease;
}

.idea-card:nth-child(even) {
    transform: rotate(1deg);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(236, 72, 153, 0.1));
}

.idea-card:hover {
    transform: rotate(0deg) scale(1.02);
}

.idea-card.started {
    border-left: 4px solid #6bcb77;
}

.idea-card-category {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.idea-card p {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 1rem;
}

.idea-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.started-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.started-check input {
    accent-color: #6bcb77;
}

.delete-btn {
    background: rgba(255, 107, 107, 0.2);
    border: none;
    color: #ff6b6b;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.delete-btn:hover {
    background: #ff6b6b;
    color: white;
}

/* Progress Tracker */
.progress-tracker {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
}

.days-counter {
    text-align: center;
    margin-bottom: 2rem;
}

.days-number {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.days-label {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.achievement {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255,255,255,0.03);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.achievement.locked {
    opacity: 0.5;
    filter: grayscale(1);
}

.achievement.unlocked {
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.2);
}

.achievement-icon {
    font-size: 2rem;
}

.achievement-info {
    display: flex;
    flex-direction: column;
}

.achievement-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.achievement-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.progress-bar-container {
    text-align: center;
}

.progress-bar-bg {
    height: 12px;
    background: var(--bg-card);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    border-radius: 6px;
    transition: width 0.5s ease;
}

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

/* Tips Carousel */
.tips-carousel {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
}

.tip-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.carousel-btn {
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    background: var(--gradient-mid);
}

.tip-text {
    font-size: 1.2rem;
    font-style: italic;
    max-width: 500px;
    min-height: 2em;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: var(--glass-border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--gradient-mid);
    transform: scale(1.3);
}

/* Footer */
.footer {
    text-align: center;
    padding: 3rem 1rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 2rem;
}

.footer a {
    color: var(--gradient-mid);
    text-decoration: none;
    font-weight: 600;
}

.footer-berry {
    cursor: pointer;
    display: inline-block;
    transition: transform 0.3s ease;
}

.footer-berry:hover {
    transform: scale(1.3) rotate(15deg);
}

.share-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.share-btn {
    padding: 0.6rem 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.share-btn:hover {
    border-color: var(--gradient-mid);
    background: rgba(236, 72, 153, 0.1);
}

.shortcuts-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .logo {
        font-size: 1.4rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .vibe-meter {
        width: 200px;
        height: 200px;
    }

    .vibe-number {
        font-size: 3rem;
    }

    .tool-card {
        min-width: 260px;
    }

    .ideas-grid {
        grid-template-columns: 1fr;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
    }

    .tip-container {
        flex-direction: column;
    }

    .carousel-btn {
        display: none;
    }

    .share-btns {
        flex-direction: column;
        align-items: center;
    }
}