/* ==========================================================================
   Design System Variables
   ========================================================================== */

:root {
    /* Core Colors */
    --color-primary: #ff1a1a;
    --color-primary-rgb: 255, 26, 26;
    --color-primary-dark: #800000;
    --color-primary-darker: #330000;
    --color-background: #000000;
    --color-surface: #111111;
    --color-text: #ffffff;
    --color-text-light: #a0a0a0;
    --color-border: #2a2a2a;
    --color-link-hover: #ff5252;
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --line-height-tight: 1.2;
    --line-height-base: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-8: 3rem;
    
    /* Layout */
    --container-width: min(800px, 95%);
    --header-height: 64px;
    --footer-height: 48px;
    --min-touch-target: 44px;
    
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition-base: 200ms ease-in-out;
    --glow-primary: 0 0 20px rgba(255, 26, 26, 0.2);
    --gradient-special: linear-gradient(135deg,
        var(--color-primary) 0%,
        rgba(255, 62, 62, 0.5) 50%,
        var(--color-primary) 100%
    );
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    background: var(--color-background);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
    width: 100%;
}

/* Background Effects */
body::before,
body::after {
    content: '';
    position: fixed;
    bottom: -65%;
    left: -10%;
    width: 120%;
    height: 120vh;
    background: radial-gradient(
        ellipse at center,
        rgba(255, 0, 0, 0.4) 0%,
        rgba(128, 0, 0, 0.35) 30%,
        rgba(51, 0, 0, 0.3) 50%,
        transparent 75%
    );
    filter: blur(80px);
    mix-blend-mode: screen;
    pointer-events: none;
    z-index: -1;
    animation: deepGlow 15s ease-in-out infinite;
    will-change: transform;
}

body::after {
    animation: deepGlow 20s ease-in-out infinite reverse;
    opacity: 0.8;
    background: radial-gradient(
        ellipse at center,
        rgba(255, 26, 26, 0.3) 0%,
        rgba(128, 0, 0, 0.25) 40%,
        rgba(51, 0, 0, 0.2) 60%,
        transparent 80%
    );
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */

.page {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0;
}

/* Content wrapper to handle padding */
.page > *:not(.header) {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

/* ==========================================================================
   Header Section
   ========================================================================== */

.header {
    width: 100%;
    height: var(--header-height);
    text-align: center;
    background: var(--color-background);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 30;
}

.header__container {
    width: 100%;
    height: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header__title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: var(--line-height-tight);
    color: var(--color-text);
    text-shadow: 0 0 20px rgba(255, 26, 26, 0.3);
    position: relative;
}

.header__title::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-primary),
        transparent
    );
    opacity: 0.3;
}

/* ==========================================================================
   Stats Section
   ========================================================================== */

.stats {
    margin-top: var(--header-height);
    margin-bottom: var(--space-6);
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    padding: var(--space-4) 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--color-background);
}

.stats__row {
    max-width: 500px;
    width: 100%;
}

#linkCount {
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-base);
    padding: 0 var(--space-1);
}

/* ==========================================================================
   Search Component
   ========================================================================== */

.search-section {
    position: sticky;
    top: var(--header-height);
    width: 100%;
    z-index: 29;
    padding: var(--space-2) 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header__search {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding: var(--space-2) var(--space-4);
}

.search-input {
    width: 100%;
    height: var(--min-touch-target);
    padding: var(--space-2) var(--space-4);
    background: rgba(17, 17, 17, 0.8);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(255, 26, 26, 0.1);
    background: var(--color-surface);
    transform: translateY(-1px);
}

.search-input::placeholder {
    color: var(--color-text-light);
    transition: color var(--transition-base);
}

.search-input:focus::placeholder {
    color: var(--color-text);
}

/* ==========================================================================
   Special Links Section
   ========================================================================== */

.special-links-container {
    position: relative;
    width: 100%;
    background: var(--color-background);
    padding: var(--space-4) 0;
    z-index: 2;
}

.special-links-container::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-background);
    z-index: -1;
}

.special-links-container::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(var(--space-6) * 1.2);
    background: linear-gradient(
        to bottom,
        var(--color-background) 0%,
        var(--color-background) 20%,
        rgba(0, 0, 0, 0.9) 40%,
        rgba(0, 0, 0, 0.7) 60%,
        rgba(0, 0, 0, 0.4) 80%,
        transparent 100%
    );
    mask-image: linear-gradient(
        to bottom,
        black 0%,
        black 40%,
        transparent 100%
    );
    -webkit-mask-image: linear-gradient(
        to bottom,
        black 0%,
        black 40%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 1;
}

.special-links {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 0 var(--space-4);
}

#specialLinks {
    display: grid;
    gap: var(--space-1);
    width: 100%;
}

#standardLinks {
    display: grid;
    gap: var(--space-1);
    width: 100%;
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.main {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.links {
    position: relative;
    flex: 1;
    padding: var(--space-4) var(--space-4);
    display: grid;
    gap: 1px;
    width: 100%;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--color-surface);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    z-index: 1;
}

/* Scrollbar Styles */
.links::-webkit-scrollbar {
    width: 6px;
}

.links::-webkit-scrollbar-track {
    background: var(--color-surface);
}

.links::-webkit-scrollbar-thumb {
    background-color: var(--color-primary);
    border-radius: 3px;
}

/* ==========================================================================
   Link Items
   ========================================================================== */

.link-item {
    position: relative;
    z-index: 2;
    width: 100%;
    margin-bottom: var(--space-2);
}

.link-item__content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: var(--min-touch-target);
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

.link-item__name {
    font-size: var(--font-size-base);
    font-weight: 500;
    margin: 0;
    padding-right: var(--space-4);
}

.link-item__icon {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    transition: transform var(--transition-base);
}

.link-item--special {
    position: relative;
    z-index: 2;
    background: linear-gradient(
        45deg,
        var(--color-primary-darker),
        var(--color-surface)
    );
}

.link-item--special .link-item__content {
    background: transparent;
    border-color: var(--color-primary-dark);
    box-shadow: var(--glow-primary);
}

/* Special Link Items */
.link-item--special::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: var(--gradient-special);
    border-radius: 9px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.link-item--special::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 26, 26, 0.1)
    );
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    width: 100%;
    padding: var(--space-4);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    text-align: center;
    position: relative;
    flex-shrink: 0;
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
    border-radius: 0 0 8px 8px;
}

.footer__content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    padding: 0 var(--space-4);
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-background);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.loading.is-active {
    opacity: 1;
    pointer-events: all;
}

.loading__spinner {
    width: var(--min-touch-target);
    height: var(--min-touch-target);
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Animations
   ========================================================================== */

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

@keyframes deepGlow {
    0% { transform: scale(1) translate(0, 0); }
    25% { transform: scale(1.1) translate(-2%, 2%); }
    50% { transform: scale(1) translate(2%, -2%); }
    75% { transform: scale(0.9) translate(2%, 2%); }
    100% { transform: scale(1) translate(0, 0); }
}

/* ==========================================================================
   Media Queries
   ========================================================================== */

/* Desktop Hover States */
@media (hover: hover) {
    .link-item:hover .link-item__content {
        transform: translateY(-1px);
        border-color: var(--color-primary);
        box-shadow: var(--shadow-md), var(--glow-primary);
    }
    
    .link-item:hover::before {
        opacity: 1;
    }
    
    .link-item--special:hover .link-item__content {
        transform: translateY(-2px);
        border-color: var(--color-primary);
        box-shadow: var(--shadow-lg),
            0 0 30px rgba(255, 26, 26, 0.2);
    }
    
    .link-item--special:hover::before,
    .link-item--special:hover::after {
        opacity: 1;
    }

    .link-item:hover .link-item__icon {
        transform: translateX(4px);
        color: var(--color-primary);
    }

    .link-item--special:hover .link-item__icon {
        color: var(--color-text);
        transform: translateX(4px);
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    :root {
        --space-4: 0.75rem;
        --space-6: 1.5rem;
        --header-height: 48px;
    }
    
    .page > *:not(.header) {
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }

    .header__container {
        padding: 0 var(--space-3);
        background: rgba(0, 0, 0, 0.85);
    }

    .header__title {
        padding: var(--space-2) 0;
    }

    .stats {
        padding: var(--space-3) 0;
        margin-bottom: var(--space-4);
    }

    .search-section {
        padding: var(--space-2) var(--space-3);
        background: rgba(0, 0, 0, 0.85);
    }

    .header__search {
        padding: var(--space-2) var(--space-3);
    }
    
    .special-links-container {
        margin: 0;
        padding-top: var(--space-2);
        padding-bottom: var(--space-4);
        margin-bottom: calc(-1 * var(--space-3));
    }

    .special-links-container::after {
        height: calc(var(--space-4) * 1.2);
    }
    
    .main {
        margin-top: var(--space-2);
        padding-top: var(--space-2);
    }
    
    .link-item__content {
        padding: var(--space-3);
    }
    
    .link-item:active {
        transform: translateY(1px);
        border-color: var(--color-primary);
        box-shadow: var(--shadow-sm), var(--glow-primary);
    }

    .link-item--special:active {
        transform: translateY(1px);
        box-shadow: var(--shadow-md),
            0 0 20px rgba(255, 26, 26, 0.2);
    }

    .link-item--special:active::before {
        opacity: 1;
    }

    .special-links {
        padding: 0 var(--space-3);
    }

    .footer {
        padding: var(--space-3);
    }

    .footer__content {
        padding: 0 var(--space-3);
    }

    body::before,
    body::after {
        width: 100%;
        left: 0;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .stats {
        padding: var(--space-2);
        font-size: var(--font-size-sm);
    }
    
    .stats__row {
        display: block;
    }
    
    .stats__row:first-child {
        margin-right: 0;
        margin-bottom: var(--space-1);
    }

    #linkCount {
        font-size: var(--font-size-sm);
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   Platform Specific
   ========================================================================== */

@supports (-webkit-touch-callout: none) {
    .page {
        min-height: -webkit-fill-available;
    }
}

/* Ensure links are clickable on mobile */
@media (hover: none) {
    .link-item__content {
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(255, 26, 26, 0.2);
    }
    
    .link-item:active .link-item__content {
        transform: scale(0.98);
        background: var(--color-primary-darker);
    }
}

/* Background Effects - ensure they don't interfere with clicking */
body::before,
body::after {
    z-index: -1;
    pointer-events: none;
}

/* Ensure main content is above background effects */
.main,
.special-links-container {
    position: relative;
    z-index: 2;
}