:root {
    --bg-main: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --primary: #3b82f6;
    --primary-hover: #2563eb;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.25rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    border-radius: var(--radius-md);
    padding: 0.6rem var(--spacing-lg);
    font-weight: 600;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

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

.control-button {
    transition: all 0.2s ease-in-out;
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.control-button.active {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 2px 5px rgba(59, 130, 246, 0.3);
}

.control-button .icon-solid { 
    display: none; 
}

.control-button.active .icon-outline { 
    display: none; 
}

.control-button.active .icon-solid { 
    display: inline-block; 
}

.cam-badge {
    position: absolute;
    left: 12px;
    bottom: 12px;
    background-color: rgba(15, 23, 42, 0.75);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
    z-index: 10;
    pointer-events: none;
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 50;
}

.modal.show {
    display: block;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(2px);
}

.modal-container {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-close-btn {
    color: var(--text-secondary);
    background: transparent;
    border: none;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
    color: var(--text-primary);
    background-color: #f1f5f9;
}

.modal-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background-color: #f8fafc;
    transition: all 0.2s ease-in-out;
}

.modal-input:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-color: var(--primary);
    background-color: #ffffff;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1rem;
    }
    
    .card-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}