/**
 * MMUDHEAD Layout - Shared site-wide styles
 * ANSI 16-color BBS theme with modern layout
 */

/* === ANSI COLOR VARIABLES === */
:root {
    --ansi-black: #0C0C0C;
    --ansi-red: #AA0000;
    --ansi-green: #00AA00;
    --ansi-yellow: #AA5500;
    --ansi-blue: #0000AA;
    --ansi-magenta: #AA00AA;
    --ansi-cyan: #00AAAA;
    --ansi-white: #AAAAAA;
    --ansi-bright-black: #555555;
    --ansi-bright-red: #FF5555;
    --ansi-bright-green: #55FF55;
    --ansi-bright-yellow: #FFFF55;
    --ansi-bright-blue: #5555FF;
    --ansi-bright-magenta: #FF55FF;
    --ansi-bright-cyan: #55FFFF;
    --ansi-bright-white: #FFFFFF;
    --terminal-bg: #0C0C0C;
}

/* === RESET === */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* === BODY === */
body {
    background: var(--terminal-bg);
    color: var(--ansi-white);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

/* === STANDARDIZED BUTTONS === */
.btn-primary {
    background: var(--ansi-cyan);
    border: none;
    color: var(--ansi-black);
    padding: 0.625rem 1.25rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.15s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--ansi-bright-cyan);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--ansi-cyan);
    color: var(--ansi-white);
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--ansi-bright-cyan);
    color: var(--ansi-bright-cyan);
}

.btn-secondary:active {
    background: rgba(255, 255, 255, 0.05);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--ansi-cyan);
    padding: 0.25rem 0.5rem;
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.15s ease;
}

.btn-text:hover {
    color: var(--ansi-bright-cyan);
    text-decoration: underline;
}

/* === SITE HEADER === */
.site-header {
    background: linear-gradient(180deg, #1a1a1a 0%, var(--terminal-bg) 100%);
    border-bottom: 1px solid var(--ansi-bright-black);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--ansi-bright-cyan);
    font-weight: bold;
    font-size: 1.25rem;
    letter-spacing: 2px;
}

.header-logo:hover {
    color: var(--ansi-bright-white);
    text-shadow: 0 0 10px var(--ansi-cyan);
}

.header-logo::before {
    content: ">";
    color: var(--ansi-bright-green);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* Legacy simple header support - other pages before migration */
.logo-small {
    color: var(--ansi-bright-red);
    font-weight: bold;
    font-size: 16px;
    text-decoration: none;
}
.logo-small:hover { color: var(--ansi-bright-yellow); }

/* Header Navigation */
.header-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 1rem 1.25rem;
    color: var(--ansi-white);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.15s ease;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-item:hover .nav-link,
.nav-link.active {
    color: var(--ansi-bright-cyan);
    border-bottom-color: var(--ansi-cyan);
}

.nav-arrow {
    font-size: 0.6rem;
    transition: transform 0.15s ease;
}

.nav-item:hover .nav-arrow {
    transform: rotate(180deg);
}

/* Dropdown Menus */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #1a1a1a;
    border: 1px solid var(--ansi-bright-black);
    border-top: 2px solid var(--ansi-cyan);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--ansi-white);
    text-decoration: none;
    font-size: 0.85rem;
    border-left: 3px solid transparent;
    transition: all 0.15s ease;
}

.dropdown-item:hover {
    background: rgba(85, 255, 255, 0.1);
    color: var(--ansi-bright-cyan);
    border-left-color: var(--ansi-cyan);
    padding-left: 1.25rem;
}

.dropdown-item::before {
    content: "├─ ";
    color: var(--ansi-bright-black);
}

.dropdown-item:last-child::before {
    content: "└─ ";
}

.dropdown-divider {
    height: 1px;
    background: var(--ansi-bright-black);
    margin: 0.5rem 0;
}

/* Database Selector */
.db-selector {
    position: relative;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--ansi-bright-black);
}

.db-selector-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 170, 170, 0.1);
    border: 1px solid var(--ansi-cyan);
    color: var(--ansi-bright-cyan);
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.db-selector-btn:hover {
    background: rgba(0, 170, 170, 0.2);
    border-color: var(--ansi-bright-cyan);
}

.db-selector:hover .db-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.db-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 250px;
    background: #1a1a1a;
    border: 1px solid var(--ansi-cyan);
    border-top: 2px solid var(--ansi-cyan);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.db-option {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--ansi-white);
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.15s ease;
}

.db-option:hover {
    background: rgba(0, 170, 170, 0.1);
    color: var(--ansi-bright-cyan);
}

.db-option.active {
    background: rgba(0, 170, 170, 0.15);
    color: var(--ansi-bright-cyan);
    border-left: 3px solid var(--ansi-cyan);
}

.db-option-version {
    color: var(--ansi-bright-black);
    font-size: 0.75rem;
    margin-left: 0.5rem;
}

.db-option.disabled,
.mobile-db-option.disabled {
    color: var(--ansi-bright-black);
    font-style: italic;
    cursor: default;
    padding: 0.75rem 1rem;
}

.db-option.disabled:hover,
.mobile-db-option.disabled:hover {
    background: transparent;
    color: var(--ansi-bright-black);
}

/* Mobile Hamburger Menu */
.hamburger-btn {
    display: none;
    background: none;
    border: 1px solid var(--ansi-bright-black);
    color: var(--ansi-white);
    padding: 0.5rem;
    cursor: pointer;
    font-family: inherit;
    font-size: 1.25rem;
    line-height: 1;
    transition: all 0.15s ease;
}

.hamburger-btn:hover {
    border-color: var(--ansi-cyan);
    color: var(--ansi-bright-cyan);
}

.hamburger-btn.active {
    border-color: var(--ansi-cyan);
    color: var(--ansi-bright-cyan);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #1a1a1a;
    border-bottom: 2px solid var(--ansi-cyan);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu.open {
    max-height: 80vh;
    overflow-y: auto;
}

.mobile-menu-section {
    padding: 1rem;
    border-bottom: 1px dashed var(--ansi-bright-black);
}

.mobile-menu-section:last-child {
    border-bottom: none;
}

.mobile-menu-heading {
    color: var(--ansi-bright-cyan);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--ansi-bright-black);
}

.mobile-menu-heading::before {
    content: "├─ ";
    color: var(--ansi-bright-black);
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-menu-link {
    color: var(--ansi-white);
    text-decoration: none;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    transition: all 0.15s ease;
}

.mobile-menu-link::before {
    content: "│ ";
    color: var(--ansi-bright-black);
}

.mobile-menu-link:hover,
.mobile-menu-link:active,
.mobile-menu-link.active {
    color: var(--ansi-bright-cyan);
    padding-left: 0.5rem;
}

.mobile-db-selector {
    background: rgba(0, 170, 170, 0.1);
    border: 1px solid var(--ansi-cyan);
    padding: 0.75rem 1rem;
    margin-top: 0.5rem;
}

.mobile-db-current {
    color: var(--ansi-bright-cyan);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.mobile-db-current::before {
    content: "> ";
    color: var(--ansi-bright-green);
}

/* === PAGE CONTAINER === */
.page-container { 
    max-width: 1000px;
    width: 100%;
    margin: 0 auto; 
    padding: 24px;
    box-sizing: border-box;
}

/* === ASCII HEADER === */
.ascii-header {
    text-align: center;
    color: var(--ansi-bright-cyan);
    font-size: 0.5rem;
    line-height: 1.2;
    margin-bottom: 16px;
    white-space: pre;
    text-shadow: 0 0 20px var(--ansi-cyan);
    display: inline-block;
    width: 100%;
}

/* === PAGE TITLE === */
.page-title { 
    text-align: center; 
    margin-bottom: 24px; 
}
.page-title .subtitle { 
    color: var(--ansi-bright-black); 
    font-size: 13px; 
    margin-top: 4px; 
}

/* === SEARCH BOX === */
.search-box {
    margin-bottom: 24px;
    border: 1px solid var(--ansi-bright-black);
    background: rgba(0, 0, 0, 0.3);
    width: 100%;
    box-sizing: border-box;
}

.search-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--ansi-bright-black);
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.3);
}

.search-header .icon { color: var(--ansi-bright-yellow); }
.search-header .title { 
    color: var(--ansi-bright-black); 
    text-transform: uppercase; 
    font-size: 11px; 
    letter-spacing: 1px; 
}

.search-input-row {
    display: flex;
    align-items: center;
    padding: 16px 20px;
}

.prompt {
    color: var(--ansi-bright-yellow);
    font-weight: bold;
    margin-right: 12px;
}

#searchInput {
    flex-grow: 1;
    background: transparent;
    color: var(--ansi-bright-white);
    border: none;
    font-family: inherit;
    font-size: 16px;
    outline: none;
}

#searchInput::placeholder {
    color: var(--ansi-bright-black);
}

/* === INFO BOX === */
.info-box {
    margin-top: 24px;
    padding: 16px 20px;
    border: 1px solid var(--ansi-bright-black);
    background: rgba(0, 0, 0, 0.3);
}

.info-box-header { 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    margin-bottom: 8px; 
    color: var(--ansi-bright-cyan); 
}
.info-box-header span:not(.gi-icon) { font-weight: bold; }
.info-box-header .gi-icon { width: 18px; height: 18px; flex-shrink: 0; }
.info-box p { 
    color: var(--ansi-white); 
    font-size: 13px; 
    line-height: 1.6; 
}
.info-box code { 
    background: rgba(0, 0, 0, 0.3); 
    padding: 1px 4px; 
    color: var(--ansi-bright-yellow); 
}

/* === PAGE FOOTER === */
.page-footer {
    margin-top: 32px;
    padding: 16px 0;
    border-top: 1px solid var(--ansi-bright-black);
    text-align: center;
    color: var(--ansi-bright-black);
    font-size: 12px;
}

.page-footer .footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-footer .footer-nav {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--ansi-bright-black);
}

.page-footer .footer-nav a {
    color: var(--ansi-white);
    text-decoration: none;
    transition: color 0.15s;
}

.page-footer .footer-nav a:hover {
    color: var(--ansi-bright-cyan);
}

.page-footer .footer-sep {
    color: var(--ansi-bright-black);
    margin: 0 0.5rem;
}

.page-footer p {
    margin: 4px 0;
}

.page-footer .footer-source {
    color: var(--ansi-white);
    margin-bottom: 8px;
}

.page-footer .footer-copyright {
    color: var(--ansi-bright-black);
}

.page-footer .footer-disclaimer {
    color: var(--ansi-bright-black);
    font-size: 11px;
}

.page-footer a { color: var(--ansi-cyan); text-decoration: none; }
.page-footer a:hover { color: var(--ansi-bright-cyan); }

/* === COMMON UI ELEMENTS === */
.no-results {
    padding: 40px 20px;
    text-align: center;
    color: var(--ansi-bright-black);
}

.no-results .icon { font-size: 24px; margin-bottom: 12px; }
.no-results p { color: var(--ansi-bright-black); }

.loading {
    padding: 40px 20px;
    text-align: center;
    color: var(--ansi-bright-yellow);
}

.spinner {
    display: inline-block;
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* === SCROLLBAR STYLING === */
.results-container::-webkit-scrollbar { width: 10px; }
.results-container::-webkit-scrollbar-track { background: var(--ansi-black); }
.results-container::-webkit-scrollbar-thumb { background: var(--ansi-bright-black); }
.results-container::-webkit-scrollbar-thumb:hover { background: var(--ansi-white); }

/* === SEARCH CLEAR BUTTON === */
.search-clear-btn {
    flex-shrink: 0;
    background: transparent;
    border: none;
    color: var(--ansi-bright-black);
    font-family: inherit;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    padding: 4px 8px;
    margin-left: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s, color 0.15s;
}

.search-clear-btn.visible {
    opacity: 1;
    pointer-events: auto;
}

.search-clear-btn:hover {
    color: var(--ansi-bright-red);
}

.search-clear-btn:active {
    color: var(--ansi-red);
}

/* === RESPONSIVE === */

/* Tablet breakpoint - show mobile menu */
@media (max-width: 900px) {
    .header-nav,
    .db-selector {
        display: none;
    }
    
    .hamburger-btn {
        display: block;
    }
    
    .mobile-menu {
        display: block;
    }
}

@media (max-width: 768px) {
    .page-container { padding: 16px; }
    
    .header-container {
        padding: 0 0.75rem;
        height: 48px;
    }
    
    .header-logo {
        font-size: 1rem;
    }
    
    /* Hide ASCII header on mobile - too large */
    .ascii-header {
        display: none;
    }
    
    /* Reduce page title spacing */
    .page-title {
        margin-bottom: 12px;
    }
    
    .page-title .subtitle {
        font-size: 11px;
    }
    
    /* Tighter search box */
    .search-box {
        margin-bottom: 12px;
    }
    
    .search-input-row {
        padding: 12px 16px;
    }
    
    .prompt {
        font-size: 12px;
        margin-right: 8px;
    }
    
    #searchInput {
        font-size: 16px; /* Keep 16px to prevent iOS zoom on focus */
    }
    
    /* Filter bar compact on mobile */
    .filter-bar {
        padding: 8px 12px;
    }
    
    .filter-label {
        font-size: 10px;
    }
    
    /* Character bar compact */
    .character-bar {
        padding: 8px 12px;
    }
}

/* Extra small screens - very compact */
@media (max-width: 480px) {
    .page-container { padding: 12px; }
    
    .header-container {
        height: 44px;
    }
    
    .header-logo {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }
    
    .search-input-row {
        padding: 10px 12px;
    }
    
    .prompt {
        display: none; /* Hide SEARCH> prompt on very small screens */
    }
    
    #searchInput {
        font-size: 16px;
    }
    
    .filter-bar {
        padding: 6px 10px;
    }
}