/* Define root variables for consistent theming */
:root {
    --color-error: #ff0000;
    --color-success: #4CAF50;
    
    --spacing-base: clamp(0.5rem, 2vw, 1rem);
    --spacing-large: calc(var(--spacing-base) * 2);
    --spacing-small: calc(var(--spacing-base) / 2);
    
    --border-radius: 4px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    
    --font-size-base: clamp(16px, 1rem + 0.5vw, 18px);
    --font-size-small: 0.95rem;
    --font-size-large: 1.6rem;
    --line-height: 1.75;
}

/* Theme system for Atacama */
/* Default light theme */
:root {
    /* Base colors */
    --color-background: #f9f9f9;
    --color-sigil-background: #e5e5e5;
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-text-muted: #666666;
    --color-border: #dddddd;
    --color-primary: #0074D9;
    --color-primary-hover: #0085f3; /* Lighter variant for hover states */
    --color-primary-rgb: 0, 116, 217; /* RGB values for rgba() usage */
    --color-primary-dark: #0056a4; /* Darker variant of primary color */
    
    /* Component colors */
    --color-header-bg: #f8f9fa;
    --color-card-bg: #ffffff;
    --color-input-bg: #ffffff;
    --color-input-border: #cccccc;
    
    /* Message-specific colors */
    --color-annotation-bg: rgba(0, 0, 0, 0.05);
    

    
    /* Shadows and effects */
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --focus-ring: 0 0 0 2px rgba(0, 116, 217, 0.2);
}

/* Dark theme */
[data-theme="dark"] {
    /* Base colors */
    --color-background: #1a1a1a;
    --color-sigil-background: #cccccc;
    --color-text: #e0e0e0;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #848484;
    --color-border: #404040;
    --color-primary: #4a9eff;
    --color-primary-hover: #6cb0ff; /* Lighter variant for hover states */
    --color-primary-rgb: 74, 158, 255; /* RGB values for rgba() usage */
    --color-primary-dark: #3a7cd9; /* Darker variant of primary color */
    
    /* Component colors */
    --color-header-bg: #2d2d2d;
    --color-card-bg: #2d2d2d;
    --color-input-bg: #333333;
    --color-input-border: #505050;
    
    /* Message-specific colors */
    --color-annotation-bg: rgba(255, 255, 255, 0.1);
    

    
    /* Shadows and effects */
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    --focus-ring: 0 0 0 2px rgba(74, 158, 255, 0.2);
}

/* Grayscale theme for print-friendly viewing */
[data-theme="grayscale"] {
    /* Base colors */
    --color-background: #ffffff;
    --color-sigil-background: #d9d9d9;
    --color-text: #000000;
    --color-text-secondary: #000000;
    --color-text-muted: #000000;
    --color-border: #ffffff;
    --color-primary: #333303;
    --color-primary-hover: #555505; /* Lighter variant for hover states */
    --color-primary-rgb: 51, 51, 3; /* RGB values for rgba() usage */
    --color-primary-dark: #222202; /* Darker variant of primary color */
    
    /* Component colors */
    --color-annotation-bg: rgba(0, 0, 0, 0.15); /* Higher contrast for better visibility */
    


    --font-size-base: clamp(10px, 1rem + 0.5vw, 16px);
    --font-size-small: 0.85rem;
    --font-size-large: 1.3rem;
}

/* Theme switcher positioning and styling */
.theme-switcher {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
}

.theme-button {
    padding: 0.5rem;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-background);
    cursor: pointer;
    color: var(--color-text);
}

.theme-menu {
    position: absolute;
    right: 0;
    top: 100%;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 0.25rem;
    padding: 0.5rem;
    display: none;
    min-width: 150px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.theme-switcher:hover .theme-menu {
    display: block;
}

.theme-menu button {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    text-align: left;
    border: none;
    background: none;
    color: var(--color-text);
    cursor: pointer;
}

.theme-menu button:hover {
    background: var(--color-primary-hover);
    color: white;
}

/* Base styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: var(--base-line-height);
    color: var(--color-text);
    font-size: var(--font-size-base);
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
}

.container {
    width: min(90vw, 1200px);
    margin: 0 auto;
    padding: var(--spacing-large);
}

/* Typography */
h1 {
    color: var(--color-text);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-large);
}

/* Form elements */
.form-group {
    margin-bottom: var(--spacing-large);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-base);
    font-weight: 500;
}

input[type="text"],
textarea {
    width: 100%;
    padding: var(--spacing-base);
    font-size: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    min-height: 44px; /* Touch-friendly */
}

/* Status messages */
.error,
.success {
    padding: var(--spacing-base);
    margin-bottom: var(--spacing-large);
    border-radius: var(--border-radius);
}

.error {
    background-color: rgba(255, 0, 0, 0.1);
    color: var(--color-error);
}

.success {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--color-success);
}

/* Navigation link */
.stream-navigation {
    text-align: center;
    margin: var(--spacing-large) 0;
    padding: var(--spacing-base);
}

.navigation-link {
    display: inline-block;
    padding: var(--spacing-base) var(--spacing-large);
    background-color: var(--color-background);
    color: var(--color-primary);
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease;
}

.navigation-link:hover {
    background-color: var(--color-annotation-bg);
}

/* Button base styles */
button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: var(--spacing-base) var(--spacing-large);
    font-size: inherit;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

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

button:disabled,
.button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Responsive table base */
.table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: var(--spacing-large) 0;
}

/* Media queries */
@media screen and (max-width: 768px) {
    .container {
        padding: var(--spacing-base);
    }
}

/* Print styles */
@media print {
    /* Reset base styles for printing */
    :root {
        --spacing-base: 0.25rem;
        --spacing-large: 0.5rem;
        --font-size-base: 10pt;
        --font-size-small: 9pt;
        --font-size-large: 12pt;
        --line-height: 1.35;
    }

    /* Hide interactive elements */
    .theme-switcher,
    .button:not(.view-link),
    .message-actions,
    form,
    .info-box {
        display: none !important;
    }
}

/* Site banner and page title styles */
.site-banner {
    background-color: var(--color-header-bg);
    padding: var(--spacing-base) var(--spacing-large);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-large);
}

.banner-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.site-banner .site-title {
    margin: 0;
    padding: 0;
    color: var(--color-primary);
    font-size: var(--font-size-large);
    font-weight: 700;
}

.site-banner .site-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-small);
    margin-top: 0.25rem;
}

/* Dark mode adjustments for banner */
[data-theme="dark"] .site-banner {
    background-color: var(--color-header-bg);
    border-color: var(--color-border);
}

[data-theme="dark"] .site-banner .site-title {
    color: var(--color-primary);
}

[data-theme="dark"] .site-banner .site-description {
    color: var(--color-text-secondary);
}

/* Grayscale mode adjustments for banner */
[data-theme="grayscale"] .site-banner {
    background-color: #000000;
    border-color: #ffffff;
    border-width: 2px;
}

[data-theme="grayscale"] .site-banner .site-title {
    color: #ffffff;
}

[data-theme="grayscale"] .site-banner .site-description {
    color: #ffffff;
}

/* Page container for all layouts */
.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-base);
}

.main-content {
    margin-bottom: var(--spacing-large);
}

/* Metadata panel (replacing message-header in message view) */
.metadata-panel {
    margin-bottom: var(--spacing-base);
    padding-bottom: var(--spacing-base);
    border-bottom: 1px solid var(--color-border);
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
    .site-banner {
        padding: var(--spacing-small) var(--spacing-base);
    }
    
    .site-banner .site-title {
        font-size: calc(var(--font-size-large) * 0.8);
    }
    
    .banner-content {
        flex-direction: column;
    }
}