/* ============================================
   THE TRAVELING SKETCHBOOK - COMIC BOOK STYLE
   MasonWong.ink - 7-Year-Old Adventure Site
   ============================================ */

/* CSS Variables - Comic Book Theme */
:root {
    /* Action Blue Palette */
    --color-action-blue: #2563EB;
    --color-action-dark: #1E40AF;
    --color-action-light: #60A5FA;
    --color-sky: #DBEAFE;
    
    /* Pencil Gray Palette */
    --color-pencil-gray: #6B7280;
    --color-pencil-dark: #374151;
    --color-pencil-light: #9CA3AF;
    --color-paper: #F9FAFB;
    
    /* Karate Belt Colors */
    --color-belt-white: #FFFFFF;
    --color-belt-red: #DC2626;
    --color-belt-black: #111827;
    --color-belt-gold: #F59E0B;
    
    /* Comic Book Accents */
    --color-comic-yellow: #FCD34D;
    --color-comic-orange: #F97316;
    --color-comic-green: #10B981;
    
    /* Typography */
    --font-comic: 'Comic Neue', 'Bubblegum Sans', 'Fredoka One', cursive;
    --font-handwritten: 'Kalam', 'Patrick Hand', cursive;
    --font-body: 'Nunito', 'Quicksand', sans-serif;
    
    /* Comic Book Borders */
    --border-comic: 3px solid var(--color-belt-black);
    --border-comic-thick: 5px solid var(--color-belt-black);
    --border-radius-comic: 8px;
    --border-radius-bubble: 20px;
    
    /* Shadows */
    --shadow-comic: 4px 4px 0px var(--color-belt-black);
    --shadow-comic-hover: 6px 6px 0px var(--color-belt-black);
    --shadow-pencil: 2px 2px 0px var(--color-pencil-gray);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

body {
    font-family: var(--font-body);
    background-color: var(--color-paper);
    color: var(--color-pencil-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Comic Book Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(252, 211, 77, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ============================================
   COMIC BOOK BORDERS & FRAMES
   ============================================ */

.comic-frame {
    border: var(--border-comic);
    border-radius: var(--border-radius-comic);
    background: var(--color-belt-white);
    box-shadow: var(--shadow-comic);
    transition: all 0.3s ease;
}

.comic-frame:hover {
    box-shadow: var(--shadow-comic-hover);
    transform: translate(-2px, -2px);
}

.comic-frame-yellow {
    border: var(--border-comic-thick);
    border-color: var(--color-comic-yellow);
    background: var(--color-belt-white);
    box-shadow: var(--shadow-comic);
}

.comic-frame-red {
    border: var(--border-comic-thick);
    border-color: var(--color-belt-red);
    background: var(--color-belt-white);
    box-shadow: var(--shadow-comic);
}

.comic-bubble {
    border: var(--border-comic);
    border-radius: var(--border-radius-bubble);
    background: var(--color-belt-white);
    box-shadow: var(--shadow-comic);
    padding: var(--space-lg);
    position: relative;
}

.comic-bubble::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 30px;
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 15px solid var(--color-belt-black);
}

.comic-bubble::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 33px;
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-top: 12px solid var(--color-belt-white);
    z-index: 1;
}

/* ============================================
   HAND-DRAWN DOODLE ELEMENTS
   ============================================ */

.doodle-border {
    border: 3px solid var(--color-pencil-dark);
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
}

.doodle-underline {
    position: relative;
    display: inline-block;
}

.doodle-underline::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-comic-yellow);
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
    transform: rotate(-1deg);
}

.doodle-circle {
    position: relative;
    display: inline-block;
}

.doodle-circle::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 3px solid var(--color-action-blue);
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
    opacity: 0.3;
}

/* ============================================
   NAVIGATION - COMIC BOOK STYLE
   ============================================ */

.comic-nav {
    background: var(--color-action-blue);
    border-bottom: var(--border-comic-thick);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 0 var(--color-belt-black);
}

.comic-nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.comic-logo {
    font-family: var(--font-comic);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-belt-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-shadow: 2px 2px 0 var(--color-belt-black);
}

.comic-logo .logo-icon {
    font-size: 2rem;
}

.comic-nav-links {
    display: flex;
    gap: var(--space-md);
    list-style: none;
}

.comic-nav-links a {
    font-family: var(--font-comic);
    color: var(--color-belt-white);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid transparent;
    border-radius: var(--border-radius-comic);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.9rem;
}

.comic-nav-links a:hover {
    background: var(--color-belt-white);
    color: var(--color-action-blue);
    border-color: var(--color-belt-black);
    box-shadow: var(--shadow-comic);
    transform: translate(-2px, -2px);
}

/* ============================================
   HERO SECTION - SKETCHBOOK STYLE
   ============================================ */

.sketchbook-hero {
    background: linear-gradient(135deg, var(--color-sky) 0%, var(--color-paper) 50%, var(--color-comic-yellow) 100%);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: var(--border-comic-thick);
}

.sketchbook-hero::before {
    content: '✏️ 🎨 ✈️ 🥋';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 2rem;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite;
}

.sketchbook-hero::after {
    content: '📖 🗺️ 🎯 🌟';
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 2rem;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-comic-yellow);
    border: var(--border-comic);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 100px;
    font-family: var(--font-comic);
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-belt-black);
    box-shadow: var(--shadow-comic);
    margin-bottom: var(--space-xl);
}

.hero-title {
    font-family: var(--font-comic);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--color-action-blue);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    text-shadow: 3px 3px 0 var(--color-belt-black);
}

.hero-subtitle {
    font-family: var(--font-handwritten);
    font-size: 1.5rem;
    color: var(--color-pencil-dark);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

/* ============================================
   STATS - BOY EXPLORER
   ============================================ */

.explorer-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin: var(--space-2xl) 0;
}

.stat-bubble {
    background: var(--color-belt-white);
    border: var(--border-comic-thick);
    border-color: var(--color-action-blue);
    border-radius: 50%;
    width: 150px;
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-comic);
    transition: all 0.3s ease;
}

.stat-bubble:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-comic-hover);
}

.stat-bubble .stat-number {
    font-family: var(--font-comic);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-action-blue);
    line-height: 1;
}

.stat-bubble .stat-label {
    font-family: var(--font-handwritten);
    font-size: 0.9rem;
    color: var(--color-pencil-dark);
    text-align: center;
    margin-top: var(--space-xs);
}

/* ============================================
   COMIC BOOK BUTTONS
   ============================================ */

.comic-btn {
    font-family: var(--font-comic);
    font-size: 1.1rem;
    font-weight: 700;
    padding: var(--space-md) var(--space-xl);
    border: var(--border-comic);
    border-radius: var(--border-radius-comic);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-comic);
}

.comic-btn:hover {
    transform: translate(-3px, -3px);
    box-shadow: var(--shadow-comic-hover);
}

.comic-btn:active {
    transform: translate(0, 0);
    box-shadow: 2px 2px 0 var(--color-belt-black);
}

.comic-btn-primary {
    background: var(--color-action-blue);
    color: var(--color-belt-white);
}

.comic-btn-primary:hover {
    background: var(--color-action-dark);
}

.comic-btn-yellow {
    background: var(--color-comic-yellow);
    color: var(--color-belt-black);
}

.comic-btn-yellow:hover {
    background: var(--color-belt-gold);
}

.comic-btn-red {
    background: var(--color-belt-red);
    color: var(--color-belt-white);
}

.comic-btn-red:hover {
    background: #B91C1C;
}

/* ============================================
   SKETCHBOOK GALLERY
   ============================================ */

.sketchbook-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    padding: var(--space-2xl) 0;
}

.sketch-card {
    background: var(--color-belt-white);
    border: var(--border-comic);
    border-radius: var(--border-radius-comic);
    box-shadow: var(--shadow-comic);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.sketch-card:hover {
    transform: translate(-4px, -4px) rotate(1deg);
    box-shadow: var(--shadow-comic-hover);
}

.sketch-card .sketch-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: var(--border-comic);
}

.sketch-card .sketch-content {
    padding: var(--space-lg);
}

.sketch-card .sketch-title {
    font-family: var(--font-comic);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-action-blue);
    margin-bottom: var(--space-sm);
}

.sketch-card .sketch-caption {
    font-family: var(--font-handwritten);
    color: var(--color-pencil-dark);
    font-size: 1rem;
}

/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: var(--space-xl);
}

.lightbox-overlay.active {
    display: flex;
}

.lightbox-content {
    background: var(--color-belt-white);
    border: var(--border-comic-thick);
    border-radius: var(--border-radius-comic);
    max-width: 90%;
    max-height: 90%;
    overflow: auto;
    position: relative;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 50px;
    height: 50px;
    background: var(--color-belt-red);
    border: var(--border-comic);
    border-radius: 50%;
    color: var(--color-belt-white);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-comic);
    z-index: 10001;
}

.lightbox-close:hover {
    transform: scale(1.1);
    background: #B91C1C;
}

/* ============================================
   KARATE BELT PROGRESS
   ============================================ */

.belt-progress {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin: var(--space-2xl) 0;
}

.belt-item {
    text-align: center;
    padding: var(--space-lg);
    border: var(--border-comic);
    border-radius: var(--border-radius-comic);
    background: var(--color-belt-white);
    box-shadow: var(--shadow-comic);
    min-width: 120px;
}

.belt-item.active {
    border-color: var(--color-belt-red);
    background: var(--color-comic-yellow);
    transform: scale(1.1);
}

.belt-item .belt-icon {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
}

.belt-item .belt-name {
    font-family: var(--font-comic);
    font-weight: 700;
    color: var(--color-pencil-dark);
}

/* ============================================
   LANGUAGE LAB - WORD CARDS
   ============================================ */

.word-card {
    background: var(--color-belt-white);
    border: var(--border-comic);
    border-radius: var(--border-radius-comic);
    box-shadow: var(--shadow-comic);
    padding: var(--space-xl);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.word-card:hover {
    transform: translate(-3px, -3px) rotate(-1deg);
    box-shadow: var(--shadow-comic-hover);
}

.word-card .word-image {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: var(--border-comic);
    margin: 0 auto var(--space-lg);
}

.word-card .word-portuguese {
    font-family: var(--font-comic);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-belt-red);
    margin-bottom: var(--space-sm);
}

.word-card .word-english {
    font-family: var(--font-handwritten);
    font-size: 1.2rem;
    color: var(--color-pencil-dark);
}

.word-card .word-pronunciation {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-pencil-gray);
    font-style: italic;
    margin-top: var(--space-sm);
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.comic-section-header {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    background: linear-gradient(135deg, var(--color-sky) 0%, var(--color-paper) 100%);
    border-bottom: var(--border-comic-thick);
    border-top: var(--border-comic-thick);
}

.comic-section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-comic-yellow);
    border: var(--border-comic);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 100px;
    font-family: var(--font-comic);
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-belt-black);
    box-shadow: var(--shadow-pencil);
    margin-bottom: var(--space-lg);
}

.comic-section-title {
    font-family: var(--font-comic);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--color-action-blue);
    line-height: 1.2;
    margin-bottom: var(--space-md);
    text-shadow: 2px 2px 0 var(--color-belt-black);
}

.comic-section-subtitle {
    font-family: var(--font-handwritten);
    font-size: 1.3rem;
    color: var(--color-pencil-dark);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   FOOTER
   ============================================ */

.comic-footer {
    background: var(--color-action-blue);
    border-top: var(--border-comic-thick);
    padding: var(--space-2xl) var(--space-xl);
    color: var(--color-belt-white);
    text-align: center;
}

.comic-footer .footer-text {
    font-family: var(--font-comic);
    font-size: 1.2rem;
    margin-bottom: var(--space-md);
}

.comic-footer .footer-doodles {
    font-size: 2rem;
    margin-top: var(--space-lg);
    opacity: 0.5;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .comic-nav-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .explorer-stats {
        gap: var(--space-lg);
    }
    
    .stat-bubble {
        width: 120px;
        height: 120px;
    }
    
    .stat-bubble .stat-number {
        font-size: 2rem;
    }
    
    .sketchbook-gallery {
        grid-template-columns: 1fr;
    }
    
    .belt-progress {
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .comic-btn {
        font-size: 1rem;
        padding: var(--space-sm) var(--space-lg);
    }
    
    .comic-section-title {
        font-size: 1.8rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

.animate-bounce {
    animation: bounce 2s ease-in-out infinite;
}

.animate-wiggle {
    animation: wiggle 1s ease-in-out infinite;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.text-center { text-align: center; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }