/* Base Theme CSS - Uses CSS custom properties for theming */

/* =============================================================
   ROOT THEME VARIABLES
   These are dynamically set by the ThemeService
   ============================================================= */
:root {
    /* Primary Colors */
    --brand-green: #3ECF4D;
    --brand-green-rgb: 62, 207, 77;
    --tech-blue: #1E90FF;
    --tech-blue-rgb: 30, 144, 255;
    
    /* Base Colors */
    --background-primary: #FFFFFF;
    --background-secondary: #F2F2F2;
    --background-tertiary: #E8E8E8;
    /* Convenience background alias used across components */
    --background: var(--background-secondary);
    
    /* Text Colors */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --text-inverse: #FFFFFF;
    /* Heading alias for backward compatibility */
    --text-heading: var(--text-primary);
    
    /* UI Elements */
    --border-color: #E0E0E0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --hover-overlay: rgba(0, 0, 0, 0.05);
    /* Shadow tokens (defaults) */
    --shadow-sm: 0 1px 2px var(--shadow-color);
    --shadow-md: 0 4px 8px var(--shadow-color);
    --shadow-lg: 0 10px 15px var(--shadow-color);
    --shadow-xl: 0 20px 25px var(--shadow-color);
    
    /* Component Colors */
    --card-background: #FFFFFF;
    --card-border: #E5E7EB;
    --input-background: #FFFFFF;
    --input-border: #D1D5DB;
    
    /* Status Colors */
    --success-color: #3ECF4D;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --info-color: #3B82F6;
    /* Back-compat status aliases used in legacy styles */
    --status-success: var(--success-color);
    --status-warning: var(--warning-color);
    --status-error: var(--error-color);
    --status-danger: var(--error-color);
    
    /* Chat Specific */
    --chat-user-bg: #E3F2FD;
    --chat-agent-bg: #F3F4F6;
    --chat-user-text: #1E3A8A;
    --chat-agent-text: #374151;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Legacy Button Colors (from evolved design) */
    --btn-primary-blue: #1b6ec2;
    --btn-primary-blue-dark: #1861ac;
    
    /* Focus and Interaction States */
    --focus-ring-blue: #258cfb;
    --brand-green-hover: #2CB63C;
    
    /* Validation Colors (distinct from status colors) */
    --validation-success: #26b050;
    --validation-error: #e50000;
    
    /* UI State Grays */
    --ui-inactive: #9e9e9e;
    --ui-inactive-hover: #757575;
    --border-neutral: #929292;
    
    /* Success State Variations */
    --success-hover-dark: #45a049;
    --success-hover-light: #66bb6a;
    --success-base-rgb: 76, 175, 80;
    
    /* Sidebar/Navigation Design */
    --sidebar-gradient-start: rgb(5, 39, 103);
    --sidebar-gradient-end: #3a0647;
    --navbar-dark-bg: #282c34;
    
    /* Top Bar/Header */
    --topbar-background: #f7f7f7;
    --topbar-border: #d6d5d5;
    
    /* Dropdown Dark Theme */
    --dropdown-dark-bg: #1f1f1f;
    --dropdown-dark-border: #333;
    --dropdown-dark-hover: #333;
    
    /* Scrollbar Variables */
    --scrollbar-thumb: rgba(0, 0, 0, 0.2);
    --scrollbar-thumb-hover: rgba(0, 0, 0, 0.3);
    --scrollbar-track: transparent;
    
    /* Overlay Opacities (for use with rgb variables) */
    --overlay-alpha-low: 0.05;
    --overlay-alpha-medium: 0.1;
    --overlay-alpha-high: 0.3;
    
    /* Deprecated - Map to new variables */
    --light-gray: var(--background-secondary);
    --medium-gray: var(--text-tertiary);
    --dark-gray: var(--text-primary);
}

/* =============================================================
   GLOBAL STYLES
   ============================================================= */
html, body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--background-secondary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Default light theme for body to prevent dark flash */
body:not([class*="theme-"]) {
    background-color: #F2F2F2;
    color: #333333;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-primary);
    transition: color var(--transition-normal);
}

a {
    color: var(--tech-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

    a:hover {
        color: var(--brand-green);
    }

/* =============================================================
   COMMON COMPONENTS
   ============================================================= */

/* Cards */
.card, .bg-white.rounded-2xl {
    background: var(--card-background) !important;
    border-color: var(--card-border) !important;
    color: var(--text-primary) !important;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

/* Inputs and Form Controls */
input, textarea, select, .form-control, .form-select {
    background-color: var(--input-background) !important;
    border-color: var(--input-border) !important;
    color: var(--text-primary) !important;
    transition: all var(--transition-fast);
}

    input:focus, textarea:focus, select:focus, .form-control:focus, .form-select:focus {
        border-color: var(--tech-blue) !important;
        box-shadow: 0 0 0 0.2rem rgba(30, 144, 255, 0.25) !important;
    }

/* Buttons */
.btn {
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--brand-green) !important;
    border-color: var(--brand-green) !important;
    color: white !important;
}

    .btn-primary:hover {
        background-color: #2CB63C !important;
        border-color: #2CB63C !important;
    }

.btn-secondary {
    background-color: var(--text-secondary) !important;
    border-color: var(--text-secondary) !important;
    color: white !important;
}

.btn-outline-primary {
    color: var(--brand-green) !important;
    border-color: var(--brand-green) !important;
}

    .btn-outline-primary:hover {
        background-color: var(--brand-green) !important;
        border-color: var(--brand-green) !important;
        color: white !important;
    }

/* Modals */
.modal-content {
    background-color: var(--card-background) !important;
    color: var(--text-primary) !important;
}

.modal-header {
    border-bottom-color: var(--border-color) !important;
}

.modal-footer {
    border-top-color: var(--border-color) !important;
}

/* Tables */
table {
    color: var(--text-primary);
}

th {
    background-color: var(--background-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color) !important;
}

td {
    background-color: var(--card-background);
    border-color: var(--border-color) !important;
}

tr:hover td {
    background-color: var(--hover-overlay);
}

/* =============================================================
   LAYOUT COMPONENTS
   ============================================================= */

/* Navigation */
.navbar {
    background-color: var(--card-background) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand, .nav-link {
    color: var(--text-primary) !important;
}

    .nav-link:hover {
        color: var(--brand-green) !important;
    }

/* Sidebar */
.sidebar {
    background-color: var(--background-tertiary);
    border-right: 1px solid var(--border-color);
}

/* =============================================================
   CHAT COMPONENTS
   ============================================================= */
.chat-message-user {
    background-color: var(--chat-user-bg) !important;
    color: var(--chat-user-text) !important;
}

.chat-message-agent {
    background-color: var(--chat-agent-bg) !important;
    color: var(--chat-agent-text) !important;
}

/* =============================================================
   UTILITY CLASSES
   ============================================================= */
.text-muted {
    color: var(--text-secondary) !important;
}

.text-primary {
    color: var(--brand-green) !important;
}

.text-secondary {
    color: var(--tech-blue) !important;
}

.bg-light {
    background-color: var(--background-secondary) !important;
}

.bg-dark {
    background-color: var(--background-tertiary) !important;
}

.border {
    border-color: var(--border-color) !important;
}

.shadow {
    box-shadow: 0 0.125rem 0.25rem var(--shadow-color) !important;
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem var(--shadow-color) !important;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem var(--shadow-color) !important;
}

/* =============================================================
   ANIMATIONS & TRANSITIONS
   ============================================================= */
* {
    transition-property: background-color, color, border-color, box-shadow;
    transition-duration: var(--transition-normal);
    transition-timing-function: ease;
}

/* Disable transitions during theme switch for instant feedback */
.theme-switching * {
    transition: none !important;
}

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

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

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

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

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--text-tertiary) var(--background-secondary);
}

/* =============================================================
   THEME-SPECIFIC OVERRIDES
   ============================================================= */

/* Dark theme specific styles (define overrides where needed) */

/* High contrast theme specific styles (define overrides where needed) */

    .theme-type-highcontrast button,
    .theme-type-highcontrast input,
    .theme-type-highcontrast select,
    .theme-type-highcontrast textarea {
        border-width: 2px !important;
    }

/* =============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================= */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
}