/* Doodle Design System - Playful, Hand-drawn Style */

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Delius+Swash+Caps&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* Design Tokens - Light Mode */
:root {
    /* Colors */
    --color-primary: #49B6E5;
    --color-secondary: #263D5B;
    --color-success: #16A34A;
    --color-warning: #D97706;
    --color-danger: #DC2626;
    --color-surface: #FFFFFF;
    --color-text: #111827;
    --color-text-muted: #6B7280;
    --color-border: #111827;
    --color-bg: #FFFFFF;
    --color-bg-gradient: rgba(73, 182, 229, 0.1);
    
    /* Typography */
    --font-primary: 'Delius Swash Caps', cursive;
    --font-display: 'Delius Swash Caps', cursive;
    --font-mono: 'JetBrains Mono', monospace;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-md: 18px;
    --font-size-lg: 24px;
    --font-size-xl: 32px;
    --font-size-2xl: 40px;
    
    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;
}

/* Design Tokens - Dark Mode */
[data-theme="dark"] {
    --color-primary: #49B6E5;
    --color-secondary: #5B8DB8;
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-surface: #2C2E31;
    --color-text: #E8EAED;
    --color-text-muted: #9AA0A6;
    --color-border: #E8EAED;
    --color-bg: #202124;
    --color-bg-gradient: rgba(73, 182, 229, 0.15);
}

/* Base Styles */
body {
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Handwritten Headers */
h1, h2, h3, h4, h5, h6,
.doodle-heading {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* Doodle Border Effect */
.doodle-border {
    position: relative;
    border: 3px solid var(--color-border);
    border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
}

.doodle-border::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 2px solid var(--color-primary);
    border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
    opacity: 0.3;
}

/* Sketch Card */
.doodle-card {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 15px 225px 15px 255px/255px 15px 225px 15px;
    padding: var(--space-6);
    position: relative;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
}

.doodle-card:hover {
    transform: rotate(-1deg) translateY(-2px);
    box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .doodle-card {
    box-shadow: 3px 3px 0 rgba(73, 182, 229, 0.2);
}

[data-theme="dark"] .doodle-card:hover {
    box-shadow: 5px 5px 0 rgba(73, 182, 229, 0.3);
}

/* Doodle Buttons */
.btn-doodle {
    font-family: var(--font-display);
    font-size: var(--font-size-md);
    padding: var(--space-3) var(--space-6);
    border: 3px solid var(--color-border);
    border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
    background: var(--color-primary);
    color: var(--color-surface);
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 3px 3px 0 var(--color-border);
    text-decoration: none;
    display: inline-block;
}

.btn-doodle:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--color-border);
    background: var(--color-secondary);
    color: var(--color-surface);
}

.btn-doodle:active {
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0 var(--color-border);
}

.btn-doodle:focus-visible {
    outline: 3px dashed var(--color-primary);
    outline-offset: 4px;
}

.btn-doodle-outline {
    background: var(--color-surface);
    color: var(--color-text);
}

.btn-doodle-outline:hover {
    background: var(--color-primary);
    color: var(--color-surface);
}

[data-theme="dark"] .btn-doodle {
    color: var(--color-bg);
}

[data-theme="dark"] .btn-doodle:hover {
    color: var(--color-bg);
}

[data-theme="dark"] .btn-doodle-outline {
    background: transparent;
    color: #E8EAED !important;
}

[data-theme="dark"] .btn-doodle-outline:hover {
    background: var(--color-primary);
    color: var(--color-bg) !important;
}

/* Doodle Inputs */
.input-doodle {
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: 15px 225px 15px 255px/255px 15px 225px 15px;
    background: var(--color-surface);
    color: var(--color-text);
    transition: all 0.2s ease;
}

.input-doodle:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(73, 182, 229, 0.2);
    transform: rotate(-0.5deg);
}

.input-doodle::placeholder {
    color: var(--color-text-muted);
    font-style: italic;
}

select.input-doodle {
    cursor: pointer;
}

/* Doodle Labels */
.label-doodle {
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--space-2);
    display: block;
}

/* Sketch Lines */
.sketch-line {
    height: 2px;
    background: var(--color-border);
    position: relative;
    margin: var(--space-6) 0;
}

.sketch-line::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
    transform: translateY(3px) scaleX(0.98);
    opacity: 0.3;
}

/* Doodle Icons */
.doodle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-surface);
    font-size: var(--font-size-lg);
    position: relative;
}

.doodle-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px dashed var(--color-primary);
    border-radius: 50%;
    opacity: 0.3;
}

[data-theme="dark"] .doodle-icon {
    color: var(--color-bg);
}

/* Handwritten Text */
.handwritten {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
}

/* Doodle Alert */
.alert-doodle {
    border: 2px solid var(--color-border);
    border-radius: 15px 225px 15px 255px/255px 15px 225px 15px;
    padding: var(--space-4);
    background: var(--color-surface);
    position: relative;
}

.alert-doodle::before {
    content: '!';
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.alert-doodle-content {
    margin-left: var(--space-8);
}

/* Pricing Card Special */
.pricing-doodle {
    position: relative;
}

.pricing-doodle.popular::before {
    content: 'Popular!';
    position: absolute;
    top: -15px;
    right: var(--space-6);
    background: var(--color-warning);
    color: var(--color-surface);
    padding: var(--space-2) var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: 15px 225px 15px 255px/255px 15px 225px 15px;
    font-family: var(--font-display);
    transform: rotate(3deg);
    box-shadow: 2px 2px 0 var(--color-border);
}

[data-theme="dark"] .pricing-doodle.popular::before {
    color: var(--color-bg);
}

/* Scribble Underline */
.scribble-underline {
    position: relative;
    display: inline-block;
}

.scribble-underline::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 50%;
    transform: scaleX(1.05);
}

/* Navbar Doodle */
.navbar-doodle {
    background: var(--color-surface);
    border-bottom: 3px solid var(--color-border);
    position: relative;
    transition: background-color 0.3s ease;
}

.navbar-doodle::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    opacity: 0.3;
}

.navbar-doodle .nav-link {
    color: var(--color-text);
    transition: color 0.3s ease;
}

.navbar-doodle .nav-link:hover {
    color: var(--color-primary);
}

/* Footer Doodle */
.footer-doodle {
    border-top: 3px solid var(--color-border);
    position: relative;
    background: var(--color-surface);
    transition: background-color 0.3s ease;
}

.footer-doodle::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    opacity: 0.3;
}

/* Accessibility - Focus States */
*:focus-visible {
    outline: 3px dashed var(--color-primary);
    outline-offset: 4px;
}

/* Responsive Typography */
@media (max-width: 768px) {
    :root {
        --font-size-2xl: 32px;
        --font-size-xl: 24px;
        --font-size-lg: 20px;
    }
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border: 3px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 3px 3px 0 var(--color-border);
    transition: all 0.2s ease;
    z-index: 1000;
}

.theme-toggle:hover {
    transform: translate(-2px, -2px) rotate(15deg);
    box-shadow: 5px 5px 0 var(--color-border);
}

.theme-toggle:active {
    transform: translate(1px, 1px) rotate(15deg);
    box-shadow: 2px 2px 0 var(--color-border);
}

[data-theme="dark"] .theme-toggle {
    color: var(--color-bg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

.theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(180deg);
}

[data-theme="dark"] .theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(-180deg);
}

[data-theme="dark"] .theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}


/* Dark Mode Specific Adjustments */
[data-theme="dark"] .form-check-input {
    background-color: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="dark"] .form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

[data-theme="dark"] .text-danger {
    color: var(--color-danger) !important;
}

[data-theme="dark"] .navbar-toggler {
    border-color: var(--color-border);
}

[data-theme="dark"] .navbar-toggler-icon {
    filter: invert(1);
}

/* Smooth transitions for theme switching */
body,
.doodle-card,
.navbar-doodle,
.footer-doodle,
.btn-doodle,
.input-doodle,
.doodle-icon {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}


/* Animated Doodle Elements */
@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(5deg);
    }
}

@keyframes wiggle {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-3deg);
    }
    75% {
        transform: rotate(3deg);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}

.doodle-float {
    animation: float 3s ease-in-out infinite;
}

.doodle-wiggle {
    animation: wiggle 2s ease-in-out infinite;
}

.doodle-pulse {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Hand-drawn arrow */
.doodle-arrow {
    position: relative;
    display: inline-block;
}

.doodle-arrow::after {
    content: '→';
    font-family: var(--font-display);
    color: var(--color-primary);
    margin-left: 8px;
    display: inline-block;
    animation: wiggle 1.5s ease-in-out infinite;
}

/* Doodle underline variations */
.wavy-underline {
    position: relative;
    display: inline-block;
}

.wavy-underline::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 3px;
    background: repeating-linear-gradient(
        90deg,
        var(--color-primary) 0px,
        var(--color-primary) 5px,
        transparent 5px,
        transparent 10px
    );
    opacity: 0.5;
}

/* Starburst decoration */
.starburst {
    position: relative;
}

.starburst::before {
    content: '✦';
    position: absolute;
    color: var(--color-warning);
    font-size: 20px;
    opacity: 0.4;
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Doodle speech bubble */
.speech-bubble {
    position: relative;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 15px 225px 15px 255px/255px 15px 225px 15px;
    padding: var(--space-4);
}

.speech-bubble::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 30px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--color-border);
}

/* Confetti effect for special elements */
.confetti-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: absolute;
    opacity: 0.4;
}

/* Doodle line connector */
.doodle-connector {
    position: relative;
}

.doodle-connector::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    top: 50%;
    left: 0;
    opacity: 0.3;
    transform: rotate(-2deg);
}