/* ========================================
   Codetude Color Generator - Estilos
   ======================================== */

:root {
    --clr-primary: #3b82f6;
    --clr-success: #10b981;
    --clr-light-bg: #ffffff;
    --clr-light-surface: #f8fafc;
    --clr-light-border: #e2e8f0;
    --clr-light-text: #1e293b;
    --clr-light-text-secondary: #64748b;
    --clr-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --clr-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.dark-mode {
    --clr-light-bg: #1e293b;
    --clr-light-surface: #0f172a;
    --clr-light-border: #334155;
    --clr-light-text: #e2e8f0;
    --clr-light-text-secondary: #94a3b8;
    --clr-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --clr-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

/* Container Principal */
.codetude-color-generator {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Seções */
.color-section {
    background: var(--clr-light-bg);
    border: 1px solid var(--clr-light-border);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--clr-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.color-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--clr-shadow-lg);
}

/* Header */
.section-header {
    margin-bottom: 25px;
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--clr-light-text);
    margin: 0 0 10px 0;
}

.section-header h2 .icon {
    width: 28px;
    height: 28px;
    color: var(--clr-primary);
    stroke-width: 2;
}

.section-description {
    color: var(--clr-light-text-secondary);
    margin: 0;
    font-size: 15px;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn .icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.btn-primary {
    background: var(--clr-primary);
    color: white;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    width: 100%;
}

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

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

/* Copy Button */
.copy-btn {
    padding: 8px;
    background: transparent;
    border: 1px solid var(--clr-light-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn svg {
    width: 16px;
    height: 16px;
    stroke: var(--clr-light-text);
    stroke-width: 2;
}

.copy-btn:hover {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
}

.copy-btn:hover svg {
    stroke: white;
}

/* ========================================
   COR ALEATÓRIA
   ======================================== */

.random-color-display {
    margin-bottom: 20px;
}

.color-preview {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.color-preview::after {
    content: 'Clique em "Gerar Cor Aleatória"';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--clr-light-text-secondary);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    opacity: 0.5;
}

.color-preview.has-color::after {
    display: none;
}

.color-codes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.code-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.code-item label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--clr-light-text-secondary);
    letter-spacing: 0.5px;
}

.code-item input {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--clr-light-border);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: 600;
    background: var(--clr-light-surface);
    color: var(--clr-light-text);
    transition: border-color 0.2s ease;
}

.code-item input:focus {
    outline: none;
    border-color: var(--clr-primary);
}

.code-item {
    position: relative;
}

.code-item .copy-btn {
    position: absolute;
    right: 4px;
    top: 30px;
}

/* ========================================
   PALETAS
   ======================================== */

.palette-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
    margin-bottom: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--clr-light-text);
}

.color-input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.color-input-group input[type="color"] {
    width: 60px;
    height: 44px;
    border: 2px solid var(--clr-light-border);
    border-radius: 8px;
    cursor: pointer;
    background: none;
}

.color-input-group input[type="text"] {
    width: 120px;
    padding: 10px 14px;
    border: 2px solid var(--clr-light-border);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: 600;
    background: var(--clr-light-surface);
    color: var(--clr-light-text);
}

select {
    padding: 10px 14px;
    border: 2px solid var(--clr-light-border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--clr-light-surface);
    color: var(--clr-light-text);
    cursor: pointer;
    min-width: 180px;
}

select:focus {
    outline: none;
    border-color: var(--clr-primary);
}

.palette-result {
    animation: slideIn 0.3s ease;
}

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

.palette-colors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.palette-color-item {
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--clr-shadow);
    transition: transform 0.2s ease;
    cursor: pointer;
}

.palette-color-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--clr-shadow-lg);
}

.palette-color-preview {
    height: 120px;
    width: 100%;
    position: relative;
}

.palette-color-code {
    padding: 12px;
    background: var(--clr-light-surface);
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    font-weight: 700;
    color: var(--clr-light-text);
}

/* ========================================
   GRADIENTES
   ======================================== */

.gradient-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.color-pickers {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.gradient-result {
    margin-top: 20px;
    animation: slideIn 0.3s ease;
}

.gradient-preview {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1);
}

.gradient-code {
    position: relative;
}

.gradient-code label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--clr-light-text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.gradient-code textarea {
    width: 100%;
    padding: 14px;
    padding-right: 50px;
    border: 2px solid var(--clr-light-border);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    background: var(--clr-light-surface);
    color: var(--clr-light-text);
    resize: vertical;
    line-height: 1.6;
}

.gradient-code textarea:focus {
    outline: none;
    border-color: var(--clr-primary);
}

.gradient-code .copy-btn {
    position: absolute;
    right: 10px;
    bottom: 10px;
}

/* ========================================
   CONVERSOR
   ======================================== */

.converter-input {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.converter-input input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--clr-light-border);
    border-radius: 10px;
    font-size: 15px;
    font-family: 'Courier New', monospace;
    background: var(--clr-light-surface);
    color: var(--clr-light-text);
}

.converter-input input:focus {
    outline: none;
    border-color: var(--clr-primary);
}

.converter-result {
    display: grid;
    gap: 20px;
    animation: slideIn 0.3s ease;
}

.converter-preview {
    width: 100%;
    height: 150px;
    border-radius: 12px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1);
}

.converter-formats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.format-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.format-item label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--clr-light-text-secondary);
    letter-spacing: 0.5px;
}

.format-item input {
    padding: 12px;
    padding-right: 45px;
    border: 2px solid var(--clr-light-border);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: 600;
    background: var(--clr-light-surface);
    color: var(--clr-light-text);
}

.format-item .copy-btn {
    position: absolute;
    right: 4px;
    bottom: 4px;
    font-size: 11px;
    padding: 6px 10px;
}

/* Toast */
.color-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--clr-light-text);
    color: white;
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--clr-shadow-lg);
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.color-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.color-toast svg {
    width: 20px;
    height: 20px;
    stroke: white;
    stroke-width: 2;
}

/* Responsivo */
@media (max-width: 768px) {
    .codetude-color-generator {
        padding: 15px;
    }
    
    .color-section {
        padding: 20px;
    }
    
    .palette-controls,
    .converter-input {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .color-codes,
    .palette-colors,
    .converter-formats {
        grid-template-columns: 1fr;
    }
    
    .color-pickers {
        flex-direction: column;
    }
    
    select {
        width: 100%;
    }
}