/**
 * MaiMusic Core Styles
 * The Augmented Human Musician
 */

/* ========================================
   RESET & BASE
   ======================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--mai-font-body);
    font-size: var(--mai-text-base);
    line-height: var(--mai-leading-normal);
    color: var(--mai-white);
    background: var(--mai-void);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Hidden but accessible */
.mai-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6,
.mai-heading {
    font-family: var(--mai-font-display);
    font-weight: var(--mai-weight-bold);
    line-height: var(--mai-leading-tight);
    letter-spacing: var(--mai-tracking-tight);
}

.mai-display-hero {
    font-size: var(--mai-text-hero);
    font-weight: var(--mai-weight-black);
    letter-spacing: var(--mai-tracking-tighter);
    background: linear-gradient(135deg, var(--flavor-primary), var(--flavor-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mai-display-1 {
    font-size: var(--mai-text-4xl);
    color: var(--flavor-primary);
}
.mai-display-2 {
    font-size: var(--mai-text-3xl);
    color: var(--flavor-secondary);
}
.mai-display-3 {
    font-size: var(--mai-text-2xl);
    color: var(--flavor-accent);
}

.mai-text-gradient {
    background: var(--mai-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mai-text-glow {
    text-shadow: var(--mai-glow-pulse);
}

.mai-text-mono {
    font-family: var(--mai-font-mono);
    letter-spacing: var(--mai-tracking-wide);
}

.mai-text-muted {
    color: var(--mai-gray-400);
}

.mai-text-pulse { color: var(--mai-pulse); }
.mai-text-resonance { color: var(--mai-resonance); }
.mai-text-frequency { color: var(--mai-frequency); }
.mai-text-harmony { color: var(--mai-harmony); }

a {
    color: var(--mai-pulse);
    text-decoration: none;
    transition: color var(--mai-duration-fast) var(--mai-ease-default);
}

a:hover {
    color: var(--mai-frequency);
}

em {
    font-style: normal;
    color: var(--mai-pulse);
}

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

.mai-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--mai-space-6);
}

.mai-container-narrow {
    max-width: 900px;
}

.mai-container-wide {
    max-width: 1800px;
}

.mai-section {
    padding: var(--mai-space-20) 0;
}

.mai-section-lg {
    padding: var(--mai-space-32) 0;
}

/* Full viewport sections */
.mai-viewport {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.mai-viewport-full {
    height: 100vh;
    overflow: hidden;
}

/* ========================================
   PRELOADER
   ======================================== */

.mai-preloader {
    position: fixed;
    inset: 0;
    z-index: var(--mai-z-preloader);
    background: var(--mai-void);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity var(--mai-duration-slow) var(--mai-ease-out),
                visibility var(--mai-duration-slow);
}

.mai-preloader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.mai-preloader__pulse {
    width: 20px;
    height: 20px;
    background: var(--mai-pulse);
    border-radius: 50%;
    box-shadow: var(--mai-glow-pulse);
    animation: mai-pulse-beat 1.2s ease-in-out infinite;
}

.mai-preloader__waveform {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 60px;
    opacity: 0;
    transition: opacity var(--mai-duration-normal);
}

.mai-preloader.is-waveform .mai-preloader__pulse {
    animation: none;
    opacity: 0;
}

.mai-preloader.is-waveform .mai-preloader__waveform {
    opacity: 1;
}

.mai-preloader__bar {
    width: 4px;
    background: var(--mai-gradient-primary);
    border-radius: var(--mai-radius-full);
    animation: mai-wave-bar 0.8s ease-in-out infinite;
}

.mai-preloader__bar:nth-child(1) { animation-delay: 0s; height: 20px; }
.mai-preloader__bar:nth-child(2) { animation-delay: 0.1s; height: 35px; }
.mai-preloader__bar:nth-child(3) { animation-delay: 0.2s; height: 50px; }
.mai-preloader__bar:nth-child(4) { animation-delay: 0.3s; height: 40px; }
.mai-preloader__bar:nth-child(5) { animation-delay: 0.4s; height: 25px; }
.mai-preloader__bar:nth-child(6) { animation-delay: 0.3s; height: 45px; }
.mai-preloader__bar:nth-child(7) { animation-delay: 0.2s; height: 55px; }
.mai-preloader__bar:nth-child(8) { animation-delay: 0.1s; height: 30px; }
.mai-preloader__bar:nth-child(9) { animation-delay: 0s; height: 20px; }

.mai-preloader__logo {
    font-family: var(--mai-font-display);
    font-size: var(--mai-text-3xl);
    font-weight: var(--mai-weight-bold);
    letter-spacing: var(--mai-tracking-wide);
    color: var(--mai-white);
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--mai-duration-normal), transform var(--mai-duration-normal);
}

.mai-preloader.is-logo .mai-preloader__waveform {
    opacity: 0;
    transform: scale(0.5);
}

.mai-preloader.is-logo .mai-preloader__logo {
    opacity: 1;
    transform: scale(1);
}

.mai-preloader__logo em {
    color: var(--mai-pulse);
}

/* Skip button */
.mai-preloader__skip {
    position: absolute;
    bottom: var(--mai-space-8);
    font-size: var(--mai-text-sm);
    color: var(--mai-gray-500);
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--mai-duration-normal), color var(--mai-duration-fast);
}

.mai-preloader__skip:hover {
    color: var(--mai-gray-300);
}

.mai-preloader.is-skippable .mai-preloader__skip {
    opacity: 1;
}

/* ========================================
   FLOATING NAVIGATION
   ======================================== */

.mai-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--mai-z-sticky);
    padding: var(--mai-space-4) var(--mai-space-6);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform var(--mai-duration-normal) var(--mai-ease-out),
                opacity var(--mai-duration-normal) var(--mai-ease-out),
                background var(--mai-duration-normal);
}

.mai-nav.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.mai-nav.is-scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.mai-nav__inner,
.mai-nav__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.mai-nav__logo {
    font-family: var(--mai-font-display);
    font-size: var(--mai-text-lg);
    font-weight: var(--mai-weight-bold);
    color: var(--mai-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--mai-space-2);
    transition: color var(--mai-duration-fast);
}

.mai-nav__logo:hover {
    color: var(--mai-pulse);
}

.mai-nav__logo em {
    color: var(--mai-pulse);
}

.mai-nav__logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.mai-nav__links,
.mai-nav__menu {
    display: flex;
    align-items: center;
    gap: var(--mai-space-8);
    list-style: none;
}

.mai-nav__link {
    font-size: var(--mai-text-sm);
    font-weight: var(--mai-weight-medium);
    color: var(--mai-gray-300);
    text-decoration: none;
    position: relative;
    padding: var(--mai-space-2) 0;
    transition: color var(--mai-duration-fast);
}

.mai-nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mai-gradient-primary);
    transition: width var(--mai-duration-fast) var(--mai-ease-out);
}

.mai-nav__link:hover,
.mai-nav__link.is-active {
    color: var(--mai-white);
}

.mai-nav__link:hover::after,
.mai-nav__link.is-active::after {
    width: 100%;
}

/* Artists dropdown */
.mai-nav__dropdown {
    position: relative;
}

.mai-nav__dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--mai-space-1);
    cursor: pointer;
}

.mai-nav__dropdown-toggle svg {
    width: 12px;
    height: 12px;
    transition: transform var(--mai-duration-fast);
}

.mai-nav__dropdown:hover .mai-nav__dropdown-toggle svg {
    transform: rotate(180deg);
}

.mai-nav__dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--mai-gray-700);
    border-radius: var(--mai-radius-lg);
    padding: var(--mai-space-3);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--mai-duration-fast),
                transform var(--mai-duration-fast),
                visibility var(--mai-duration-fast);
}

.mai-nav__dropdown:hover .mai-nav__dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mai-nav__dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--mai-space-3);
    padding: var(--mai-space-2) var(--mai-space-3);
    color: var(--mai-gray-300);
    border-radius: var(--mai-radius-md);
    transition: background var(--mai-duration-fast), color var(--mai-duration-fast);
}

.mai-nav__dropdown-item:hover {
    background: var(--mai-gray-700);
    color: var(--mai-white);
}

.mai-nav__dropdown-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Artist color dots */
.mai-nav__dropdown-dot--cipher { background: #00FFFF; box-shadow: 0 0 8px #00FFFF; }
.mai-nav__dropdown-dot--hikaru { background: #FFD700; box-shadow: 0 0 8px #FFD700; }
.mai-nav__dropdown-dot--nova-lune { background: #F5F5DC; }
.mai-nav__dropdown-dot--valentina { background: #DC143C; box-shadow: 0 0 8px #DC143C; }
.mai-nav__dropdown-dot--los-ultimos { background: #228B22; box-shadow: 0 0 8px #228B22; }

/* Mobile nav toggle */
.mai-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mai-nav__toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--mai-white);
    border-radius: var(--mai-radius-full);
    transition: transform var(--mai-duration-fast), opacity var(--mai-duration-fast);
}

.mai-nav__toggle.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mai-nav__toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.mai-nav__toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile navigation overlay */
.mai-nav-mobile {
    position: fixed;
    inset: 0;
    z-index: var(--mai-z-overlay);
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(30px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--mai-space-8);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--mai-duration-normal), visibility var(--mai-duration-normal);
}

.mai-nav-mobile.is-active {
    opacity: 1;
    visibility: visible;
}

.mai-nav-mobile__link {
    font-family: var(--mai-font-display);
    font-size: var(--mai-text-2xl);
    font-weight: var(--mai-weight-bold);
    color: var(--mai-white);
    text-decoration: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--mai-duration-normal),
                transform var(--mai-duration-normal),
                color var(--mai-duration-fast);
}

.mai-nav-mobile.is-active .mai-nav-mobile__link {
    opacity: 1;
    transform: translateY(0);
}

.mai-nav-mobile__link:nth-child(1) { transition-delay: 0.1s; }
.mai-nav-mobile__link:nth-child(2) { transition-delay: 0.15s; }
.mai-nav-mobile__link:nth-child(3) { transition-delay: 0.2s; }
.mai-nav-mobile__link:nth-child(4) { transition-delay: 0.25s; }
.mai-nav-mobile__link:nth-child(5) { transition-delay: 0.3s; }
.mai-nav-mobile__link:nth-child(6) { transition-delay: 0.35s; }
.mai-nav-mobile__link:nth-child(7) { transition-delay: 0.4s; }

.mai-nav-mobile__link:hover {
    color: var(--mai-pulse);
}

/* ========================================
   BUTTONS
   ======================================== */

.mai-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--mai-space-2);
    padding: var(--mai-space-3) var(--mai-space-6);
    font-family: var(--mai-font-body);
    font-size: var(--mai-text-sm);
    font-weight: var(--mai-weight-semibold);
    text-decoration: none;
    border-radius: var(--mai-radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--mai-duration-fast) var(--mai-ease-default);
}

.mai-btn--primary {
    background: var(--mai-gradient-primary);
    color: var(--mai-void);
}

.mai-btn--primary:hover {
    box-shadow: 0 0 20px var(--flavor-primary), 0 0 40px var(--flavor-primary);
    transform: translateY(-2px);
}

.mai-btn--secondary {
    background: transparent;
    color: var(--mai-white);
    border: var(--mai-border-medium) solid var(--flavor-secondary, var(--mai-gray-600));
}

.mai-btn--secondary:hover {
    border-color: var(--flavor-primary);
    color: var(--flavor-primary);
    box-shadow: 0 0 20px color-mix(in srgb, var(--flavor-secondary) 30%, transparent);
}

.mai-btn--ghost {
    background: transparent;
    color: var(--mai-gray-300);
    border: var(--mai-border-thin) solid transparent;
}

.mai-btn--ghost:hover {
    color: var(--flavor-primary);
    background: transparent;
    border-color: var(--flavor-primary);
}

.mai-btn--lg {
    padding: var(--mai-space-4) var(--mai-space-8);
    font-size: var(--mai-text-base);
}

.mai-btn--sm {
    padding: var(--mai-space-2) var(--mai-space-4);
    font-size: var(--mai-text-xs);
}

/* ========================================
   AUDIO PLAYER
   ======================================== */

.mai-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--mai-z-sticky);
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--mai-gray-700);
    transform: translateY(100%);
    transition: transform var(--mai-duration-normal) var(--mai-ease-out);
}

.mai-player.is-visible {
    transform: translateY(0);
}

.mai-player__inner {
    display: flex;
    align-items: center;
    gap: var(--mai-space-4);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--mai-space-3) var(--mai-space-6);
}

.mai-player__controls {
    display: flex;
    align-items: center;
    gap: var(--mai-space-2);
}

.mai-player__btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--mai-white);
    cursor: pointer;
    border-radius: 50%;
    transition: background var(--mai-duration-fast), color var(--mai-duration-fast);
}

.mai-player__btn:hover {
    background: var(--mai-gray-700);
}

.mai-player__btn--play {
    width: 48px;
    height: 48px;
    background: var(--mai-gradient-primary);
    color: var(--mai-void);
}

.mai-player__btn--play:hover {
    box-shadow: var(--mai-glow-pulse);
}

.mai-player__info {
    flex: 1;
    min-width: 0;
}

.mai-player__title {
    font-weight: var(--mai-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mai-player__artist {
    font-size: var(--mai-text-sm);
    color: var(--mai-gray-400);
}

.mai-player__progress {
    flex: 2;
    display: flex;
    align-items: center;
    gap: var(--mai-space-3);
}

.mai-player__bar {
    flex: 1;
    height: 4px;
    background: var(--mai-gray-700);
    border-radius: var(--mai-radius-full);
    cursor: pointer;
    position: relative;
}

.mai-player__bar-fill {
    height: 100%;
    background: var(--mai-gradient-primary);
    border-radius: var(--mai-radius-full);
    width: 0%;
    transition: width 0.1s linear;
}

.mai-player__time {
    font-size: var(--mai-text-xs);
    color: var(--mai-gray-400);
    font-family: var(--mai-font-mono);
    min-width: 80px;
    text-align: center;
}

.mai-player__volume {
    display: flex;
    align-items: center;
    gap: var(--mai-space-2);
    width: 120px;
}

.mai-player__volume-bar {
    flex: 1;
    height: 4px;
    background: var(--mai-gray-700);
    border-radius: var(--mai-radius-full);
    cursor: pointer;
}

.mai-player__volume-fill {
    height: 100%;
    background: var(--mai-white);
    border-radius: var(--mai-radius-full);
    width: 70%;
}

/* ========================================
   CURSOR EFFECTS
   ======================================== */

.mai-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--mai-pulse);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--mai-z-tooltip);
    transform: translate(-50%, -50%);
    transition: width var(--mai-duration-fast),
                height var(--mai-duration-fast),
                border-color var(--mai-duration-fast),
                background var(--mai-duration-fast);
    mix-blend-mode: difference;
}

.mai-cursor.is-hovering {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 136, 0.1);
}

.mai-cursor.is-clicking {
    transform: translate(-50%, -50%) scale(0.8);
}

/* Hide custom cursor on touch devices */
@media (hover: none) {
    .mai-cursor {
        display: none;
    }
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
    .mai-nav__links,
    .mai-nav__menu {
        display: none;
    }

    .mai-nav__toggle {
        display: flex;
    }

    .mai-player__volume {
        display: none;
    }

    .mai-player__progress {
        flex: 1;
    }
}

@media (max-width: 640px) {
    .mai-container {
        padding: 0 var(--mai-space-4);
    }

    .mai-player__inner {
        padding: var(--mai-space-2) var(--mai-space-4);
    }

    .mai-player__info {
        max-width: 120px;
    }

    .mai-player__time {
        display: none;
    }
}

/* ========================================
   ARTIST FLAVOR SYSTEM
   Override colors when flavor is active
   ======================================== */

/* Flavor variables - set by JS on :root */
:root {
    --flavor-primary: var(--mai-pulse);
    --flavor-secondary: var(--mai-frequency);
    --flavor-accent: var(--mai-resonance);
    --flavor-background: var(--mai-void);
}

/* Flavor-aware elements */
.mai-flavor-primary {
    color: var(--flavor-primary);
}

.mai-flavor-secondary {
    color: var(--flavor-secondary);
}

.mai-flavor-accent {
    color: var(--flavor-accent);
}

.mai-flavor-bg {
    background-color: var(--flavor-background);
}

/* Flavor gradient */
.mai-flavor-gradient {
    background: linear-gradient(135deg, var(--flavor-primary), var(--flavor-secondary));
}

/* Body background responds to flavor */
body.mai-body {
    background: var(--flavor-background);
    transition: background-color var(--mai-duration-slow) var(--mai-ease-out);
}

/* Buttons respond to flavor */
.mai-btn--primary {
    background: var(--flavor-primary);
}

/* Text gradient responds to flavor */
.mai-text-gradient {
    background: linear-gradient(135deg, var(--flavor-primary), var(--flavor-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation link active state */
.mai-nav__link.is-active::after,
.mai-nav__link:hover::after {
    background: var(--flavor-primary);
}