/**
 * Shared styles for Nepal Chatbot channels
 */

/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Common Variables - Base theme */
:root {
    /* Colors - Base theme */
    --primary-color: #0469ad;
    --primary-dark: #033d66;
    --primary-light: #e6f2f9;
    --secondary-color: #2e7d32;
    --secondary-dark: #1b5e20;
    --secondary-light: #e8f5e9;
    --error-color: #e03131;
    --error-dark: #c92a2a;
    --error-light: #ffe3e3;
    --warning-color: #f08c00;
    --warning-dark: #e67700;
    --warning-light: #fff3bf;
    --success-color: #2e7d32;
    --success-dark: #1b5e20;
    --success-light: #e8f5e9;
    --info-color: #1971c2;
    --info-dark: #1864ab;
    --info-light: #d0ebff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --light-bg: #ffffff;
    --dark-bg: #f8f9fa;
    --border-color: #dee2e6;
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --transition: all 0.2s ease-in-out;
    
    /* Typography */
    --base-font-size: 16px;
    font-size: var(--base-font-size);
}

/* High Contrast Theme */
body.high-contrast {
    /* Primary colors - Dark blue palette */
    --primary-color: #2c3e50;        /* Dark blue-gray */
    --primary-dark: #1a252f;         /* Darker blue-gray */
    --primary-light: #34495e;        /* Lighter blue-gray */
    
    /* Secondary colors - Complementary teal */
    --secondary-color: #16a085;      /* Dark teal */
    --secondary-dark: #138d75;       /* Darker teal */
    --secondary-light: #48c9b0;      /* Lighter teal */
    
    /* Status colors - High contrast but refined */
    --error-color: #e74c3c;          /* Clear red (less harsh than pure red) */
    --error-dark: #c0392b;           /* Darker red */
    --error-light: #f1948a;          /* Lighter red */
    
    --warning-color: #f39c12;        /* High contrast orange (better than pure yellow) */
    --warning-dark: #d68910;         /* Darker orange */
    --warning-light: #f8c471;        /* Lighter orange */
    
    --success-color: #27ae60;        /* Clear green (less harsh than pure green) */
    --success-dark: #229954;         /* Darker green */
    --success-light: #58d68d;        /* Lighter green */
    
    --info-color: #3498db;           /* Clear blue (less harsh than cyan) */
    --info-dark: #2980b9;            /* Darker blue */
    --info-light: #85c1e9;           /* Lighter blue */
    
    /* Text colors - High contrast */
    --text-color: #ffffff;           /* Pure white for maximum contrast */
    --text-muted: #bdc3c7;           /* Light gray for secondary text */
    
    /* Background colors - Charcoal palette */
    --light-bg: #1a1a1a;             /* Dark charcoal */
    --dark-bg: #2c2c2c;              /* Slightly lighter charcoal */
    
    /* UI elements */
    --border-color: #ffffff;          /* White borders for maximum contrast */
    --box-shadow: 0 0 0 2px #ffffff; /* White shadows for clarity */
}

/* High contrast specific overrides for better readability */
body.high-contrast h1,
body.high-contrast h2,
body.high-contrast h3,
body.high-contrast h4,
body.high-contrast h5,
body.high-contrast h6 {
    color: var(--warning-color) !important; /* Use bright orange for headings for maximum visibility */
}

body.high-contrast .step-instruction {
    color: var(--text-color) !important; /* Ensure step instructions are white */
}

body.high-contrast p,
body.high-contrast span,
body.high-contrast div {
    color: var(--text-color); /* Ensure all text is white by default */
}

body.high-contrast .header-content h1 {
    color: var(--warning-color) !important; /* Make header title clearly visible */
}

/* Base Typography */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--light-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: var(--base-font-size);
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.2;
}

h1 { 
    font-size: calc(var(--base-font-size) * 1.375); 
    margin-top: 1.8rem;
    margin-bottom: 1.8rem;
}
h2 { font-size: calc(var(--base-font-size) * 1.125); }
h3 { 
    font-size: calc(var(--base-font-size) * 0.9375); 
    color: var(--primary-dark);
}
h4 { 
    font-size: calc(var(--base-font-size) * 0.78125);
    color: var(--primary-dark);
}
h5 { font-size: calc(var(--base-font-size) * 0.6875); }
h6 { font-size: calc(var(--base-font-size) * 0.625); }

/* Enhanced font scaling - other elements */
p, div, span, button, input, select, textarea {
    font-size: inherit;
}

.step-instruction {
    font-size: calc(var(--base-font-size) * 1.1);
}

button {
    font-size: var(--base-font-size);
}

input, select, textarea {
    font-size: var(--base-font-size);
}

/* Common Container */
.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

/* Common Header */
header {
    padding: 10px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--light-bg);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-content h1 {
    font-size: 1.3rem;
    margin: 0;
    flex: 1;
}

.header-content img {
    max-height: 40px;
    width: auto;
}

/* Common Footer */
footer {
    margin-top: auto;
    padding: 10px;
    border-top: 1px solid var(--border-color);
    background-color: var(--dark-bg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-content p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Common Buttons */
button {
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: var(--transition);
    margin-right: 10px;
    margin-bottom: 10px;
}

button:hover {
    background-color: var(--primary-dark);
}

button:active {
    transform: translateY(2px);
}

/* Primary Button */
.primary-btn {
    background-color: var(--primary-color);
    color: white;
}

.primary-btn:hover, 
.primary-btn:focus {
    background-color: var(--primary-dark);
}

/* Secondary Button */
.secondary-btn {
    background-color: var(--secondary-color);
    color: white;
}

.secondary-btn:hover,
.secondary-btn:focus {
    background-color: var(--secondary-dark);
}

/* Navigation Buttons */
.nav-btn {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    margin: 0 10px;
    padding: 0;
}

/* Ensure all icons inside nav-btn are consistent */
.nav-btn i {
    font-size: 1.4rem !important;
    color: inherit !important;
    width: 1em;
    height: 1em;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.nav-btn:disabled {
    border-color: var(--text-muted);
    color: var(--text-muted);
    background-color: var(--dark-bg);
    cursor: not-allowed;
    opacity: 1;
}

.step-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

/* Form Elements */
input, textarea, select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    width: 100%;
}

input:focus, 
textarea:focus, 
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(4, 92, 148, 0.2);
}

/* Enhanced focus styles */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    position: relative;
    z-index: 2;
}

/* Status Messages */
.status-message {
    padding: 10px 15px;
    border-radius: var(--border-radius);
    margin: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-success {
    background-color: var(--success-light);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.status-error {
    background-color: var(--error-light);
    color: var(--error-color);
    border-left: 4px solid var(--error-color);
}

.status-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.status-info {
    background-color: var(--info-light);
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

/* Loading States */
.loading {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(0,0,0,0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s infinite linear;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Dialog */
dialog {
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--box-shadow);
    max-width: 90%;
    width: 400px;
    margin: auto;
    background-color: var(--light-bg);
}

dialog::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

dialog h2 {
    margin-top: 0;
    color: var(--primary-color);
}

dialog ol, 
dialog ul {
    padding-left: 25px;
    margin-bottom: 15px;
}

/* Tooltips */
.tooltip {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 10px;
    border-radius: var(--border-radius);
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.tooltip:hover,
.tooltip:focus {
    opacity: 1;
    visibility: visible;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Enhanced High Contrast Styles */
body.high-contrast {
    /* Let CSS variables handle all colors - no hardcoded overrides */
    color: var(--text-color);
    background-color: var(--light-bg);
    
    /* Enhanced borders and contrast for better visibility */
    border-color: var(--border-color);
}

body.high-contrast button {
    border: 2px solid var(--border-color);
    background-color: var(--primary-color);
    color: var(--text-color);
}

body.high-contrast button:hover,
body.high-contrast button:focus {
    background-color: var(--primary-dark);
}

body.high-contrast input,
body.high-contrast textarea,
body.high-contrast select {
    background-color: var(--light-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

body.high-contrast header,
body.high-contrast footer {
    background-color: var(--light-bg);
    border-color: var(--border-color);
}

body.high-contrast .footer-content p {
    color: var(--text-muted) !important;
}

body.high-contrast dialog {
    background-color: var(--light-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

body.high-contrast dialog h2 {
    color: var(--warning-color) !important;  /* Use warning color for dialog titles for better visibility */
}

body.high-contrast dialog::backdrop {
    background-color: rgba(0, 0, 0, 0.8);
}

body.high-contrast .tooltip {
    background-color: var(--dark-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

body.high-contrast .nav-btn {
    border-color: var(--border-color);
    color: var(--text-color);
    background-color: transparent;
}

body.high-contrast .nav-btn:hover:not(:disabled),
body.high-contrast .nav-btn:focus:not(:disabled) {
    background-color: var(--primary-color);
    color: var(--text-color);
}

body.high-contrast .nav-btn:disabled {
    border-color: var(--text-muted);
    color: var(--text-muted);
    background-color: var(--dark-bg);
}

/* Additional high contrast improvements */
body.high-contrast .language-selector select {
    background-color: var(--light-bg) !important;
    color: var(--text-color) !important;
    border: 2px solid var(--border-color) !important;
}

body.high-contrast .language-selector select option {
    background-color: var(--light-bg) !important;
    color: var(--text-color) !important;
}

/* Responsive Design */
@media (max-width: 600px) {
    :root {
        --base-font-size: 15px;  /* Slightly smaller base on mobile */
    }
    
    .container {
        padding: 10px;
        padding-top: 10px;
        padding-bottom: 10px;
    }
    
    .header-content h1 {
        font-size: calc(var(--base-font-size) * 1.1);  /* Smaller header on mobile */
    }
    
    .header-content img {
        max-height: 30px;
    }
    
    .footer-content {
        flex-direction: column-reverse;
        align-items: center;
    }
    
    .footer-content p {
        margin-top: 10px;
        text-align: center;
    }

    /* Navigation buttons stay circular but slightly smaller */
    .nav-btn {
        width: 2.8rem;
        height: 2.8rem;
    }
}