/* Tridah Theme System - Light and Dark Modes */

:root {
    /* Brand Colors */
    --color-deep-blue: #204e7e;
    --color-teal: #31d8b2;
    --color-amber: #ffa91e;
    
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-hover: #f1f3f5;
    --bg-active: #e9ecef;
    
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-tertiary: #adb5bd;
    
    --border-color: #dee2e6;
    --border-color-light: #e9ecef;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Sidebar */
    --sidebar-bg: var(--bg-primary);
    --sidebar-border: var(--border-color);
    
    /* Header */
    --header-bg: var(--bg-primary);
    --header-border: var(--border-color);
    
    /* Cards */
    --card-bg: var(--bg-primary);
    --card-border: var(--border-color-light);
    
    /* Buttons */
    --btn-primary-bg: var(--color-deep-blue);
    --btn-primary-hover: #1a3f66;
    --btn-secondary-bg: var(--bg-tertiary);
    --btn-secondary-hover: var(--bg-active);
    
    /* Status Colors */
    --success: #28a745;
    --warning: var(--color-amber);
    --danger: #dc3545;
    --info: var(--color-teal);
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --bg-primary: #1a1d23;
    --bg-secondary: #22262e;
    --bg-tertiary: #2d3139;
    --bg-hover: #363a44;
    --bg-active: #3d424e;
    
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --text-tertiary: #6c757d;
    
    --border-color: #363a44;
    --border-color-light: #2d3139;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    
    --sidebar-bg: var(--bg-secondary);
    --sidebar-border: var(--border-color);
    
    --header-bg: var(--bg-secondary);
    --header-border: var(--border-color);
    
    --card-bg: var(--bg-secondary);
    --card-border: var(--border-color-light);
    
    --btn-primary-bg: var(--color-deep-blue);
    --btn-primary-hover: #2a5f96;
    --btn-secondary-bg: var(--bg-tertiary);
    --btn-secondary-hover: var(--bg-active);
}

/* Smooth transitions */
* {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

/* Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Focus States */
*:focus {
    outline: 2px solid var(--color-teal);
    outline-offset: 2px;
}

button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-teal);
    outline-offset: 2px;
}