/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Amatic+SC:wght@400;700&family=Open+Sans:wght@400;600&family=Dancing+Script:wght@400;700&display=swap');

/* CSS Variables for consistent theming */
:root {
    --sage-green: #A8DADC;
    --dusty-rose: #F1FAEE;
    --terracotta: #E63946;
    --cream: #F1FAEE;
    --charcoal: #457B9D;
    --warm-orange: #F77F00;
    --lavender: #8E44AD;
    --success-green: #2ECC71;
    
    --font-heading: 'Amatic SC', cursive;
    --font-body: 'Open Sans', sans-serif;
    --font-script: 'Dancing Script', cursive;
    
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
}

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

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--cream) 0%, var(--dusty-rose) 100%);
    min-height: 100vh;
    color: var(--charcoal);
    overflow-x: hidden;
}

/* Header styles */
.header {
    background: linear-gradient(90deg, var(--sage-green), var(--dusty-rose));
    padding: 1rem 2rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M20,20 Q50,5 80,20 Q85,50 80,80 Q50,85 20,80 Q15,50 20,20" fill="none" stroke="white" stroke-width="0.5" opacity="0.3"/></svg>') repeat;
    background-size: 50px 50px;
    pointer-events: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.app-title {
    font-family: var(--font-script);
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin: 0;
}

.header-widgets {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.clock-widget {
    background: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    box-shadow: var(--shadow-soft);
    font-size: 0.9rem;
}

.quick-timer {
    background: var(--terracotta);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quick-timer:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.profile-frame {
    width: 50px;
    height: 50px;
    background: var(--warm-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-soft);
    border: 3px solid white;
}

/* Navigation styles */
.nav-bar {
    background: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    box-shadow: var(--shadow-soft);
    position: relative;
}

.nav-btn {
    background: var(--sage-green);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transition: all 0.5s ease;
    transform: translate(-50%, -50%);
}

.nav-btn:hover::before {
    width: 200%;
    height: 200%;
}

.nav-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.nav-btn.active {
    background: var(--terracotta);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.section.active {
    display: block;
}

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

/* Canvas section */
.canvas-container {
    display: flex;
    gap: 2rem;
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-medium);
}

.tools-sidebar {
    width: 250px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timer-widget {
    background: var(--dusty-rose);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.timer-display {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 1rem;
}

.timer-btn {
    background: var(--terracotta);
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.timer-btn:hover {
    background: #d63384;
    transform: translateY(-2px);
}

.timer-btn.active {
    background: var(--success-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.brush-tools h3,
.color-palette h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--charcoal);
    margin-bottom: 1rem;
}

.brush-sizes {
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
}

.brush-btn {
    background: var(--sage-green);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.brush-btn:hover {
    transform: scale(1.1);
}

.brush-btn.active {
    background: var(--terracotta);
    transform: scale(1.1);
    box-shadow: var(--shadow-soft);
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.color-swatch.active {
    border-color: var(--charcoal);
    transform: scale(1.15);
    box-shadow: var(--shadow-soft);
}

.canvas-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.action-btn {
    background: var(--sage-green);
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.save-btn {
    background: var(--success-green);
}

.save-btn:hover {
    background: #27ae60;
}

.canvas-area {
    flex: 1;
    position: relative;
}

#canvas {
    border: 3px solid var(--sage-green);
    border-radius: var(--border-radius);
    cursor: crosshair;
    background: var(--cream);
    box-shadow: var(--shadow-soft);
    max-width: 100%;
    height: auto;
}

.canvas-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    box-shadow: var(--shadow-soft);
}

.save-success {
    color: var(--success-green);
    font-weight: 600;
}

.challenge-prompt {
    background: var(--warm-orange);
    color: white;
    font-weight: 600;
}

.motivation-message {
    background: var(--lavender);
    color: white;
    font-weight: 600;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Gallery section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.artwork-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.artwork-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.artwork-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.artwork-info {
    padding: 1.5rem;
}

.artwork-info h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--charcoal);
}

.artwork-info p {
    color: #666;
    margin-bottom: 1rem;
    font-style: italic;
}

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

.love-btn {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    color: var(--terracotta);
    transition: all 0.3s ease;
}

.love-btn:hover {
    transform: scale(1.1);
}

.love-btn.loved {
    animation: heartBeat 0.5s ease;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.comment {
    font-style: italic;
    color: var(--sage-green);
    font-weight: 600;
}

/* Quick sketches section */
.challenges-container h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--charcoal);
}

.challenge-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.challenge-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.challenge-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.challenge-card h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--terracotta);
}

.challenge-card p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
}

.challenge-btn {
    background: var(--warm-orange);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.challenge-btn:hover {
    background: #e67e22;
    transform: translateY(-2px);
}

/* Chat section */
.chat-container {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    height: 500px;
    display: flex;
    flex-direction: column;
}

.chat-channels {
    background: var(--dusty-rose);
    padding: 1rem;
    display: flex;
    gap: 1rem;
    overflow-x: auto;
}

.channel {
    background: var(--sage-green);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s ease;
}

.channel:hover {
    background: var(--charcoal);
}

.channel.active {
    background: var(--terracotta);
}

.chat-messages {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

.message {
    background: var(--dusty-rose);
    padding: 1rem;
    border-radius: var(--border-radius);
    max-width: 80%;
    animation: messageSlide 0.3s ease;
}

.message:nth-child(odd) {
    align-self: flex-start;
}

.message:nth-child(even) {
    align-self: flex-end;
    background: var(--sage-green);
    color: white;
}

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

/* Calendar section */
.calendar-container h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--charcoal);
}

.schedule-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.schedule-item {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border-left: 5px solid var(--sage-green);
    transition: all 0.3s ease;
}

.schedule-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-medium);
}

.time {
    font-weight: 700;
    color: var(--terracotta);
    font-size: 1.1rem;
}

.event {
    font-size: 1.1rem;
    margin: 0.5rem 0;
    color: var(--charcoal);
}

.art-suggestion {
    color: var(--warm-orange);
    font-weight: 600;
    font-style: italic;
}

/* Responsive design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .app-title {
        font-size: 2rem;
    }
    
    .nav-bar {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .nav-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .canvas-container {
        flex-direction: column;
        padding: 1rem;
    }
    
    .tools-sidebar {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .timer-widget {
        flex: 1;
        min-width: 200px;
    }
    
    #canvas {
        width: 100%;
        max-width: 600px;
        height: auto;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .challenge-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 0 1rem;
    }
    
    .header {
        padding: 0.75rem 1rem;
    }
    
    .nav-bar {
        padding: 0.75rem 1rem;
    }
    
    .canvas-container {
        padding: 0.75rem;
    }
    
    .tools-sidebar {
        flex-direction: column;
    }
    
    .palette-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}