@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Coffee Shop Color Palette */
    --espresso-dark: #3E2723;
    --espresso-medium: #5D4037;
    --coffee-bean: #6F4E37;
    --coffee-accent: #8B6F47;
    --cream: #F5F5DC;
    --cream-light: #FFF8E7;
    --latte: #D7CCC8;
    --foam: #EFEBE9;
    
    /* Text Colors */
    --text-dark: #3E2723;
    --text-medium: #5D4037;
    --text-light: #8B6F47;
    
    /* Color Tag Colors */
    --color-red: #D62828;
    --color-orange: #F77F00;
    --color-yellow: #FCBF49;
    --color-green: #06A77D;
    --color-blue: #457B9D;
    --color-purple: #6B5B95;
    --color-pink: #E63946;
    --color-brown: #8B6F47;
    --color-gray: #6C757D;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(62, 39, 35, 0.1);
    --shadow-md: 0 4px 8px rgba(62, 39, 35, 0.15);
    --shadow-lg: 0 8px 16px rgba(62, 39, 35, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* outline: 1px solid blue; */
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--cream-light) 0%, var(--foam) 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    padding: var(--spacing-md);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-lg);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.coffee-cup-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.coffee-cup-shadow {
    width: 65px;
    height: auto;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    z-index: 0;
    animation: shadow-scale 3s ease-in-out infinite;
    transform-origin: center bottom;
}

.coffee-cup-anim {
    position: relative;
    z-index: 1;
    animation: cup-float 3s ease-in-out infinite;
}

@keyframes cup-float {
    0%, 100% {
        transform: translateY(8px);
    }
    50% {
        transform: translateY(3px);
    }
}

.coffee-cup {
    width: 65px;
    height: auto;
    position: relative;
    z-index: 1;
}

.steam {
    position: absolute;
    pointer-events: none;
    z-index: 2;
    width: 50px;
    height: auto;
    opacity: 0.9;
    transform: translateY(-45px) translateX(1px);
}

.steam-1 {
    left: -20%;
    bottom: 0;
    height: 40px;
    /* animation: steam-rise-1 3.5s ease-out infinite; */
}

.steam-2 {
    left: 2%;
    bottom: 0;
    /* animation: steam-rise-2 4s ease-out infinite; */
    animation-delay: 0.8s;
}

.steam-3 {
    right: -0%;
    bottom: 0;
    height: 40px;
    /* animation: steam-rise-3 3.8s ease-out infinite; */
    animation-delay: 1.5s;
}

@keyframes steam-rise-1 {
    0% {
        transform: translateY(-35px) translateX(0);
        opacity: 0.9;
    }
    100% {
        transform: translateY(-40px) translateX(5px);
        opacity: 0;
    }
}

@keyframes steam-rise-2 {
    0% {
        transform: translateY(-40px);
        opacity: 0.9;
    }
    100% {
        transform: translateY(-50px);
        opacity: 0;
    }
}

@keyframes steam-rise-3 {
    0% {
        transform: translateY(-35px);
        opacity: 0.9;
    }
    100% {
        transform: translateY(-40px);
        opacity: 0;
    }
}

@keyframes shadow-scale {
    0%, 100% {
        transform: translateX(-50%) translateY(10px) scale(1);
    }
    50% {
        transform: translateX(-50%) translateY(10px) scale(0.85);
    }
}


.logo {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--espresso-dark);
    text-shadow: 2px 2px 4px rgba(62, 39, 35, 0.1);
    margin: 0;
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 300;
    font-style: italic;
}

/* Create Section */
.create-section {
    background: var(--cream);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.create-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--espresso-dark);
    margin-bottom: var(--spacing-md);
}

.expression-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.expression-form .form-group {
    max-width: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select {
    padding: var(--spacing-sm);
    border: 2px solid var(--latte);
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    background: white;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--coffee-bean);
    box-shadow: 0 0 0 3px rgba(111, 78, 55, 0.1);
}

.btn-submit {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--espresso-dark);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 600px;
    margin-top: var(--spacing-xs);
}

.btn-submit:hover {
    background: var(--espresso-medium);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-submit:active {
    transform: translateY(0);
}

/* Generation Section */
.generation-section {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--latte);
}

.generated-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(to bottom, rgba(245, 245, 220, 0.3), transparent);
    border-radius: var(--radius-lg);
    margin: var(--spacing-md) 0;
}

.preview-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
}

.preview-illustration {
    width: 140px;
    height: 140px;
    position: absolute;
    transition: all 0.3s ease;
    filter: drop-shadow(2px 2px 4px rgba(62, 39, 35, 0.15));
    pointer-events: none;
}

.preview-illustration-left {
    top: 10%;
    left: -17%;
    --initial-rotate: -15deg;
    transform: rotate(-15deg);
    animation: float-illustration 3s ease-in-out infinite;
}

.preview-illustration-right {
    bottom: 15%;
    right: -10%;
    --initial-rotate: 12deg;
    transform: rotate(12deg);
    animation: float-illustration 3s ease-in-out infinite;
    animation-delay: 0.5s;
}

.preview-container:hover .preview-illustration {
    transform: scale(1.08) rotate(var(--initial-rotate, 0deg));
}

@keyframes float-illustration {
    0%, 100% {
        transform: translateY(0) translateX(0) rotate(var(--initial-rotate, 0deg));
    }
    25% {
        transform: translateY(-10px) translateX(5px) rotate(calc(var(--initial-rotate, 0deg) + 3deg));
    }
    50% {
        transform: translateY(-15px) translateX(-3px) rotate(calc(var(--initial-rotate, 0deg) - 2deg));
    }
    75% {
        transform: translateY(-8px) translateX(-5px) rotate(calc(var(--initial-rotate, 0deg) + 2deg));
    }
}

.expression-preview {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--coffee-bean);
    width: 100%;
    max-width: 600px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.expression-preview:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.expression-original-preview {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--latte);
}

.expression-arrow {
    color: var(--coffee-bean);
    font-size: 1.5rem;
    margin: var(--spacing-sm) 0;
    font-weight: bold;
}

.expression-twisted-preview {
    font-size: 1.4rem;
    font-weight: 700;
    min-height: 2.5em;
    height: auto;
    transition: all 0.3s ease;
    color: var(--espresso-dark);
    line-height: 1.4;
    padding-top: var(--spacing-sm);
    display: block;
    overflow: hidden;
}

/* Brewing Animation */
.expression-preview.brewing {
    animation: brew-shake 0.5s ease-in-out;
    position: relative;
}


.expression-twisted-preview.pulsing {
    animation: pulse 0.8s ease-in-out infinite;
    color: var(--coffee-bean);
}

.expression-twisted-preview.typing {
    border-right: 2px solid var(--coffee-bean);
    animation: blink-cursor 0.8s step-end infinite;
}

.expression-twisted-preview.rewinding {
    animation: rewind-fade 0.3s ease-out;
}

.expression-twisted-preview.fade-in {
    animation: fade-in 0.3s ease-in;
}

@keyframes brew-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-3px) rotate(-1deg); }
    75% { transform: translateX(3px) rotate(1deg); }
}


@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes blink-cursor {
    0%, 50% { border-color: var(--coffee-bean); }
    51%, 100% { border-color: transparent; }
}

@keyframes rewind-fade {
    0% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(-10px); }
}

@keyframes fade-in {
    0% { opacity: 0; transform: translateX(10px); }
    100% { opacity: 1; transform: translateX(0); }
}

.btn-regenerate.brewing {
    animation: button-pulse 0.6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes button-pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: var(--shadow-sm);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: var(--shadow-md);
    }
}


.generation-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    width: 100%;
    max-width: 600px;
}

.generation-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.color-tag-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.color-tag-control label {
    font-size: 0.9rem;
    color: var(--text-medium);
    white-space: nowrap;
}

.color-tag-control select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--latte);
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-dark);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-tag-control select:hover {
    border-color: var(--coffee-accent);
}

.color-tag-control select:focus {
    outline: none;
    border-color: var(--coffee-bean);
    box-shadow: 0 0 0 3px rgba(111, 78, 55, 0.1);
}

.btn-regenerate {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--coffee-accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn-regenerate:hover:not(.brewing) {
    background: var(--coffee-bean);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-regenerate:active:not(.brewing) {
    transform: translateY(0) scale(0.98);
    animation: button-click 0.2s ease-out;
}

@keyframes button-click {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(0.98); }
}

.btn-rewind {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--latte);
    color: var(--text-dark);
    border: 2px solid var(--coffee-bean);
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn-rewind:hover {
    background: var(--coffee-bean);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-rewind:active {
    transform: translateY(0);
}

.btn-rewind:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Filter Section */
.filter-section {
    margin-bottom: var(--spacing-lg);
}

.filter-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--espresso-dark);
    margin-bottom: var(--spacing-md);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: white;
    border: 2px solid var(--latte);
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-medium);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--coffee-bean);
    color: var(--espresso-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.filter-btn.active {
    background: var(--espresso-dark);
    color: white;
    border-color: var(--espresso-dark);
}

/* Expressions Grid */
.expressions-section {
    margin-bottom: var(--spacing-xl);
}

.expressions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.expression-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border-left: 4px solid var(--coffee-bean);
    position: relative;
}

.expression-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.delete-btn {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-medium);
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    line-height: 1;
    padding: 0;
}

.delete-btn:hover {
    background: rgba(214, 40, 40, 0.1);
    color: var(--theme-sarcastic);
    transform: scale(1.1);
}

.delete-btn:active {
    transform: scale(0.95);
}

.expression-card.hidden {
    display: none;
}

.expression-original {
    font-size: 1rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xs);
    font-style: italic;
}

.expression-arrow {
    color: var(--coffee-accent);
    font-size: 1.2rem;
    margin: var(--spacing-xs) 0;
    text-align: center;
}

.expression-twisted {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--espresso-dark);
    margin-bottom: var(--spacing-sm);
}

.color-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: capitalize;
    margin-top: var(--spacing-xs);
}

/* Color Tag Colors */
.color-tag-red {
    background: rgba(214, 40, 40, 0.2);
    color: var(--color-red);
}

.color-tag-orange {
    background: rgba(247, 127, 0, 0.2);
    color: var(--color-orange);
}

.color-tag-yellow {
    background: rgba(252, 191, 73, 0.2);
    color: var(--color-yellow);
}

.color-tag-green {
    background: rgba(6, 167, 125, 0.2);
    color: var(--color-green);
}

.color-tag-blue {
    background: rgba(69, 123, 157, 0.2);
    color: var(--color-blue);
}

.color-tag-purple {
    background: rgba(107, 91, 149, 0.2);
    color: var(--color-purple);
}

.color-tag-pink {
    background: rgba(230, 57, 70, 0.2);
    color: var(--color-pink);
}

.color-tag-brown {
    background: rgba(139, 111, 71, 0.2);
    color: var(--color-brown);
}

.color-tag-gray {
    background: rgba(108, 117, 125, 0.2);
    color: var(--color-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .preview-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .preview-illustration {
        width: 60px;
        height: 60px;
    }
    
    .preview-illustration-left,
    .preview-illustration-right {
        position: relative;
        margin: var(--spacing-xs) 0;
    }
    .logo-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .coffee-cup {
        width: 50px;
        height: 60px;
    }
    
    .logo {
        font-size: 2.5rem;
    }
    
    
    .expressions-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .preview-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .preview-illustration {
        width: 60px;
        height: 60px;
    }
    
    .preview-illustration-left,
    .preview-illustration-right {
        position: relative;
        margin: var(--spacing-xs) 0;
    }
}

@media (max-width: 480px) {
    body {
        padding: var(--spacing-sm);
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .create-section,
    .filter-section {
        padding: var(--spacing-md);
    }
    
    .preview-illustration {
        width: 80px;
        height: 80px;
        opacity: 0.6;
    }
    
    .preview-illustration-left {
        top: 0;
        left: -3%;
    }
    
    .preview-illustration-right {
        bottom: 0;
        right: -2%;
    }
}

/* Footer */
#footer {
    text-align: center;
    color: var(--text-medium);
    padding: var(--spacing-xl);
    font-weight: 300;
    font-size: 0.9rem;
    background-color: var(--cream);
    border-top: 1px solid var(--latte);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-medium);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 400;
}

.footer-links a:hover {
    color: var(--coffee-bean);
    text-decoration: underline;
}

.footer-separator {
    color: var(--latte);
    margin: 0 0.25rem;
}

.footer-subtitle {
    color: var(--text-light);
    font-size: 0.85rem;
    font-style: italic;
    margin: 0.5rem 0;
}

.footer-copyright {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-medium);
}

@media (max-width: 768px) {
    #footer {
        padding: var(--spacing-lg);
        font-size: 0.85rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-separator {
        display: none;
    }
}