/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Theme (Default) */
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #252525;
    --bg-hover: #2a2a2a;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    
    --accent-primary: #22c55e;
    --accent-hover: #16a34a;
    
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);
    
    --border-color: #333333;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    
    --transition: all 0.2s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-hover: #dee2e6;
    
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    
    --accent-primary: #16a34a;
    --accent-hover: #15803d;
    
    --success: #16a34a;
    --success-bg: rgba(22, 163, 74, 0.1);
    --warning: #d97706;
    --warning-bg: rgba(217, 119, 6, 0.1);
    --error: #dc2626;
    --error-bg: rgba(220, 38, 38, 0.1);
    --info: #2563eb;
    --info-bg: rgba(37, 99, 235, 0.1);
    
    --border-color: #d1d5db;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ==================== APP LAYOUT ==================== */
.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==================== HEADER ==================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), #4ade80);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    text-align: center;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 20px;
    border: 1px solid var(--border-color);
}

.theme-toggle:hover {
    background: var(--accent-primary);
    color: white;
    transform: rotate(20deg);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-tertiary);
    border-radius: 24px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--warning);
    animation: pulse 2s infinite;
}

.connection-status.connected .status-dot {
    background: var(--success);
    animation: none;
}

.connection-status.disconnected .status-dot {
    background: var(--error);
    animation: none;
}

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

/* ==================== PANELS ==================== */
.panel {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.panel:hover {
    box-shadow: var(--shadow-lg);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.panel-header h2 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-content {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

/* ==================== FORMS ==================== */
.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 10px;
    letter-spacing: 0.3px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input::placeholder {
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.7;
}

.form-group input:hover {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
    background: var(--bg-primary);
}

/* Input com ícone */
.input-with-icon {
    position: relative;
}

.input-with-icon .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.3s ease;
}

.input-with-icon input {
    padding-left: 44px !important;
}

.input-with-icon:focus-within .input-icon {
    color: var(--accent-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: 'Consolas', monospace;
    font-size: 13px;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    margin-bottom: 0;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.checkbox-group label:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

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

.btn-success:hover:not(:disabled) {
    background: #16a34a;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 12px;
}

.btn-group {
    display: flex;
    gap: 10px;
}

.btn-group .btn {
    flex: 1;
}

/* ==================== FOOTER ==================== */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 12px;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1200px) {
    .main-content-remix {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .header-left {
        width: 100%;
    }
    
    .logo-text {
        font-size: 22px;
    }
    
    .remix-stats-bar {
        flex-wrap: wrap;
    }
    
    .remix-stat {
        min-width: calc(50% - 8px);
    }
    
    .footer {
        flex-direction: column;
        text-align: center;
    }
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel {
    animation: fadeIn 0.3s ease;
}

/* ==================== DARK/LIGHT THEME TRANSITIONS ==================== */
* {
    transition: background-color 0.3s ease, 
                border-color 0.3s ease, 
                color 0.3s ease,
                box-shadow 0.3s ease;
}

button, input, select, textarea {
    transition: background-color 0.3s ease, 
                border-color 0.3s ease, 
                color 0.3s ease,
                transform 0.2s ease,
                box-shadow 0.3s ease;
}