/* Theme Variables */
:root {
    /* Light Mode Colors */
    --bg-light: #f8f9fa;
    --text-light: #2d3748;
    --glass-bg-light: rgba(255, 255, 255, 0.7);
    --glass-border-light: rgba(255, 255, 255, 0.2);
    
    /* Dark Mode Colors */
    --bg-dark: #1a1a2e;
    --text-dark: #ffffff;
    --glass-bg-dark: rgba(26, 26, 26, 0.7);
    --glass-border-dark: rgba(255, 255, 255, 0.1);
    
    /* Common Variables */
    --font-family: 'Poppins', sans-serif;
    --transition-speed: 0.3s;
    --transition-timing: ease;
    --radius-sm: 5px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
}

/* Base Styles */
body {
    font-family: var(--font-family);
    background: var(--bg-light);
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-speed),
                color var(--transition-speed);
}

/* Glass Effects */
.glass-effect {
    background: var(--glass-bg-light);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-speed) var(--transition-timing);
}

.glass-effect:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Buttons */
.btn {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border-light);
    background: var(--glass-bg-light);
    color: var(--text-light);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-timing);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.btn:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #357abd 0%, #2868a9 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #e25c5c 0%, #bd3535 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #bd3535 0%, #992b2b 100%);
}

/* Forms */
.form-control {
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius-sm);
    padding: var(--space-sm);
    color: var(--text-light);
    transition: all var(--transition-speed) var(--transition-timing);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.95);
    outline: none;
    border-color: #4a90e2;
}

/* Workspace Specific */
.workspace-sidebar {
    background: var(--glass-bg-light);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--glass-border-light);
    padding: var(--space-md);
    height: fit-content;
}

.workspace-main {
    padding: var(--space-md);
    flex: 1;
}

/* Footer */
footer {
    margin-top: auto;
    width: 100%;
    background: var(--glass-bg-light);
    border-top: 1px solid var(--glass-border-light);
}

/* Dark Mode */
body.dark-mode {
    background: var(--bg-dark);
    color: var(--text-dark);
}

body.dark-mode .glass-effect {
    background: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}

body.dark-mode .btn {
    background: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
    color: var(--text-dark);
}

body.dark-mode .btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

body.dark-mode .form-control {
    background: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
    color: var(--text-dark);
}

body.dark-mode .form-control:focus {
    background: rgba(0, 0, 0, 0.8);
    border-color: #4a90e2;
}

body.dark-mode .workspace-sidebar {
    background: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}

body.dark-mode footer {
    background: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Loading States */
.loading {
    width: 2rem;
    height: 2rem;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}