/* ===================================
   COOKIE CONSENT BANNER
   =================================== */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 600px;
    background: rgba(16, 8, 30, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--accent-primary);
    border-radius: 16px;
    padding: var(--spacing-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    animation: slideUp 0.5s ease-out;
}

.cookie-banner.hidden {
    display: none;
}

.cookie-banner p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.cookie-banner a {
    color: var(--accent-primary);
    text-decoration: none;
}

.cookie-banner a:hover {
    text-decoration: underline;
}

.cookie-btn {
    background: var(--accent-primary);
    color: var(--bg-dark);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.cookie-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(-50%, 50px);
    }

    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@media (max-width: 600px) {
    .cookie-banner {
        flex-direction: column;
        text-align: center;
        bottom: 10px;
        width: 95%;
    }

    .cookie-btn {
        width: 100%;
    }
}

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

:root {
    /* Color Palette - Spiritual & Cosmic */
    --bg-dark: #0a0118;
    --bg-gradient-1: #1a0b2e;
    --bg-gradient-2: #16213e;
    --accent-primary: #00ffff;
    --accent-secondary: #9d00ff;
    --accent-tertiary: #ff00ff;
    --accent-gold: #ffd700;
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Fonts */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ===================================
   ANIMATED BACKGROUND
   =================================== */
.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(135deg,
            var(--bg-gradient-1) 0%,
            var(--bg-dark) 50%,
            var(--bg-gradient-2) 100%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    50% {
        transform: scale(1.1) rotate(5deg);
    }
}

/* ===================================
   WAVE ANIMATIONS
   =================================== */
.wave-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.wave-container.active {
    opacity: 1;
}

.wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    animation: waveExpand 3s ease-out infinite;
}

.wave1 {
    width: 100px;
    height: 100px;
    animation-delay: 0s;
}

.wave2 {
    width: 100px;
    height: 100px;
    border-color: var(--accent-secondary);
    animation-delay: 1s;
}

.wave3 {
    width: 100px;
    height: 100px;
    border-color: var(--accent-tertiary);
    animation-delay: 2s;
}

@keyframes waveExpand {
    0% {
        width: 100px;
        height: 100px;
        opacity: 1;
    }

    100% {
        width: 800px;
        height: 800px;
        opacity: 0;
    }
}

/* ===================================
   CONTAINER & LAYOUT
   =================================== */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

/* ===================================
   HEADER
   =================================== */
.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
}

.logo {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    background: linear-gradient(135deg,
            var(--accent-primary) 0%,
            var(--accent-secondary) 50%,
            var(--accent-tertiary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 2.5rem;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

.tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    font-weight: 300;
    letter-spacing: 0.1em;
}

/* ===================================
   CARD - GLASSMORPHISM
   =================================== */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: var(--spacing-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px rgba(157, 0, 255, 0.2);
}

/* ===================================
   FREQUENCY DISPLAY
   =================================== */
.frequency-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.frequency-value {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

.frequency-unit {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* ===================================
   INPUT GROUP
   =================================== */
.input-group {
    margin-bottom: var(--spacing-lg);
}

.input-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.frequency-input {
    width: 100%;
    padding: var(--spacing-md);
    padding-right: 3rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.3s ease, background 0.3s ease;
    letter-spacing: 0.15em;
    text-align: center;
}

.frequency-input:focus {
    border-color: var(--accent-primary);
    background: rgba(0, 255, 255, 0.05);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.input-suffix {
    position: absolute;
    right: var(--spacing-md);
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-secondary);
    pointer-events: none;
}

/* ===================================
   PRESET BUTTONS
   =================================== */
.presets {
    margin-bottom: var(--spacing-lg);
}

.presets-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.preset-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.preset-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.preset-btn.active {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.2), rgba(157, 0, 255, 0.2));
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.preset-freq {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.preset-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   CONTROL BUTTONS
   =================================== */
.controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.play-btn {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.4);
}

.play-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 255, 255, 0.6);
}

.play-btn:active:not(:disabled) {
    transform: translateY(0);
}

.stop-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.stop-btn:hover:not(:disabled) {
    background: rgba(255, 0, 0, 0.2);
    border-color: #ff0000;
    transform: translateY(-2px);
}

.control-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-icon {
    font-size: 1.25rem;
}

/* ===================================
   STATUS INDICATOR
   =================================== */
.status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    transition: all 0.3s ease;
}

.status.playing .status-dot {
    background: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-primary);
    animation: blink 1s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ===================================
   INFO CARD
   =================================== */
.info-card {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

.info-title {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.info-list {
    list-style: none;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.info-list li {
    padding-left: var(--spacing-md);
    position: relative;
    margin-bottom: var(--spacing-xs);
}

.info-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    color: var(--text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
    font-family: var(--font-body);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer p.copyright {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.02em;
}

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

/* Tablets and medium screens */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

    .logo {
        font-size: 2.5rem;
    }

    .logo-icon {
        font-size: 2rem;
    }

    .tagline {
        font-size: 0.9rem;
    }

    .frequency-value {
        font-size: 3.5rem;
    }

    .frequency-unit {
        font-size: 1.75rem;
    }

    .frequency-input {
        font-size: 1.35rem;
    }

    .preset-buttons {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xs);
    }

    .preset-freq {
        font-size: 0.9rem;
    }

    .preset-name {
        font-size: 0.7rem;
    }

    .card {
        padding: var(--spacing-lg);
    }

    .info-list {
        font-size: 0.8rem;
    }
}

/* ===================================
   KNOWLEDGE BASE CONTENT
   =================================== */
.knowledge-base {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(157, 0, 255, 0.5);
}

.kb-article {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: transform 0.3s ease;
}

.kb-article:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.article-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.kb-article p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.kb-article strong {
    color: var(--text-primary);
}

.kb-list {
    list-style: none;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.kb-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.kb-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
}

.disclaimer {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    opacity: 0.7;
    border-top: 1px solid var(--glass-border);
}

/* Large mobile devices */
@media (max-width: 640px) {
    .container {
        padding: var(--spacing-sm);
    }

    .logo {
        font-size: 2rem;
        letter-spacing: 0.1em;
    }

    .logo-icon {
        font-size: 1.75rem;
    }

    .tagline {
        font-size: 0.85rem;
    }

    .frequency-value {
        font-size: 3rem;
    }

    .frequency-unit {
        font-size: 1.5rem;
    }

    .frequency-input {
        font-size: 1.25rem;
        padding: var(--spacing-sm);
    }

    .input-suffix {
        font-size: 1rem;
        right: var(--spacing-sm);
    }

    .preset-buttons {
        grid-template-columns: repeat(2, 1fr);
    }

    .preset-btn {
        padding: var(--spacing-sm);
    }

    .controls {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .control-btn {
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: 1rem;
    }

    .card {
        padding: var(--spacing-md);
    }

    .info-card {
        padding: var(--spacing-md);
    }
}

/* Small mobile devices */
@media (max-width: 400px) {
    .logo {
        font-size: 1.75rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    .frequency-value {
        font-size: 2.5rem;
    }

    .frequency-unit {
        font-size: 1.25rem;
    }

    .frequency-input {
        font-size: 1.1rem;
    }

    .preset-freq {
        font-size: 0.85rem;
    }

    .preset-name {
        font-size: 0.65rem;
    }

    .control-btn {
        font-size: 0.9rem;
    }

    .btn-icon {
        font-size: 1rem;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.hidden {
    display: none;
}

/* Remove number input arrows */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    appearance: textfield;
    -moz-appearance: textfield;
}

/* ===================================
   NAVIGATION BAR
   =================================== */
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    /* Fix vertical alignment */
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
    font-family: var(--font-body);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-primary);
}

@media (max-width: 600px) {
    .nav-bar {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* ===================================
   ADVANCED CONTROLS
   =================================== */
.advanced-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    padding: var(--spacing-md);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.control-group {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Waveform Selector */
.waveform-selector {
    display: flex;
    gap: 8px;
    /* justify-content: space-between; */
}

.wave-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wave-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.wave-btn.active {
    background: var(--accent-primary);
    color: var(--bg-dark);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}

/* Binaural Switch */
.switch-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 20px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
}

input:checked+.slider {
    background-color: var(--accent-secondary);
}

input:checked+.slider:before {
    transform: translateX(20px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.binaural-input-wrapper {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 4px 8px;
    border: 1px solid var(--glass-border);
}

.binaural-input-wrapper.hidden {
    display: none;
}

.small-input {
    background: transparent;
    border: none;
    color: var(--accent-secondary);
    font-family: var(--font-display);
    font-size: 1.1rem;
    width: 60px;
    outline: none;
    font-weight: 700;
}

.input-unit {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Volume Slider */
.volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    margin-top: 8px;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    transition: transform 0.2s;
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Timer Select */
.timer-select {
    width: 100%;
    padding: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    outline: none;
    cursor: pointer;
}

.timer-select:focus {
    border-color: var(--accent-primary);
}

/* Mobile Responsiveness for Controls */
@media (max-width: 600px) {
    .advanced-controls {
        grid-template-columns: 1fr;
        /* Stack vertically on mobile */
    }
}

/* Advanced Toggle Button */
.advanced-toggle-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 12px;
    border-radius: 12px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    transition: all 0.2s;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.advanced-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.advanced-toggle-btn.active .toggle-icon {
    transform: rotate(180deg);
}

.advanced-toggle-btn span {
    pointer-events: none;
}

/* ===================================
   DROPDOWN MENU
   =================================== */
.nav-item-dropdown {
    position: relative;
    display: inline-block;
}

.dropbtn {
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    padding: 0;
    display: flex;
    align-items: center;
    line-height: 1;
}

.nav-item-dropdown:hover .dropbtn,
.dropbtn:focus {
    color: var(--accent-primary);
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: rgba(16, 8, 30, 0.95);
    min-width: 200px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.5);
    z-index: 100;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0;
    backdrop-filter: blur(10px);
}

.dropdown-content a {
    color: var(--text-secondary);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.dropdown-content a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--accent-primary);
}

.nav-item-dropdown:hover .dropdown-content {
    display: block;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -10px);
    }

    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@media (max-width: 600px) {
    .dropdown-content {
        position: relative;
        transform: none;
        left: 0;
        top: 0;
        min-width: 100%;
        background: transparent;
        border: none;
        box-shadow: none;
        padding-left: 1rem;
    }

    .nav-item-dropdown {
        display: block;
        width: 100%;
    }

    .dropbtn {
        font-size: 0.9rem;
        padding: 5px 0;
        display: block;
        width: 100%;
        text-align: center;
    }
}

/* Mobile Navigation Fix */
@media (max-width: 600px) {
    .nav-links {
        gap: 0.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-item-dropdown {
        margin: 0 5px;
    }

    .dropbtn {
        padding: 8px 12px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 8px;
    }
}

/* Enhanced Dropdown Styles */
.dropdown-content {
    min-width: 260px;
    /* Widen for descriptions */
}

.dropdown-content a {
    /* Reset/Override generic link styles if needed */
    display: flex;
    flex-direction: column;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    line-height: 1.4;
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 2px;
    transition: color 0.2s;
}

.dropdown-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 300;
    opacity: 0.8;
}

.dropdown-content a:hover .dropdown-title {
    color: var(--accent-primary);
}

.dropdown-content a:hover .dropdown-desc {
    color: var(--text-primary);
    opacity: 1;
}

/* Mobile tweak for the new list */
@media (max-width: 600px) {
    .dropdown-content {
        min-width: 100%;
        text-align: center;
    }

    .dropdown-content a {
        align-items: center;
        /* Center text on mobile */
    }
}

/* Safari/Dropdown Fix: Reset generic nav link styles */
.dropdown-content a {
    margin-left: 0 !important;
    /* Force reset */
    padding: 12px 20px !important;
    /* Enforce padding */
    width: 100%;
    box-sizing: border-box;
    text-align: left;
    align-items: flex-start;
}

/* Ensure container doesn't get messed up by flex parent */
.nav-item-dropdown {
    display: block;
    /* Flex item behavior */
}

/* Fix for Mobile Toggle Visibility */
.advanced-controls.hidden {
    display: none !important;
}

/* Motto Style */
.motto {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--accent-primary);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

/* ===================================
   PROFESSIONAL FOOTER & NAV HIGHLIGHTS (ADDED)
   =================================== */

/* Active State for Dropdown Button (Tools) */
.dropbtn.active {
    color: var(--accent-primary);
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

/* Professional Footer Layout */
.footer {
    border-top: 1px solid var(--glass-border);
    background: rgba(16, 8, 30, 0.4);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    /* Logo/Desc takes more space */
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: left;
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    font-family: var(--font-body);
    width: fit-content;
    outline: none;
}

.footer-link:hover {
    color: var(--accent-primary) !important;
    transform: translateX(5px);
}

.footer-link.active {
    color: var(--accent-primary) !important;
    font-weight: 700 !important;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    text-align: center;
}

/* Footer Responsive adjustments */
@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-xl) 1.5rem;
        background: rgba(16, 8, 30, 0.6);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer-desc {
        margin: 0 auto 1.5rem;
        font-size: 0.9rem;
        color: var(--text-secondary);
        max-width: 100%;
        line-height: 1.6;
    }

    .footer-section {
        padding-bottom: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
        border-bottom: 1px solid rgba(0, 255, 255, 0.1);
    }

    .footer-section:last-of-type {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .footer-title {
        font-size: 1.1rem;
        color: var(--accent-primary);
        margin-bottom: var(--spacing-md);
        text-transform: uppercase;
        letter-spacing: 0.15em;
        font-weight: 700;
        text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    }

    .footer-nav {
        gap: 1rem;
        align-items: center;
    }

    .footer-link {
        display: block !important;
        width: 100% !important;
        max-width: 250px !important;
        margin: 0 auto !important;
        padding: 0.75rem !important;
        color: var(--text-primary) !important;
        font-size: 1rem !important;
        background: rgba(255, 255, 255, 0.05) !important;
        border: 1px solid var(--accent-primary) !important;
        border-radius: 12px !important;
        transition: all 0.3s ease !important;
        text-align: center !important;
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.1) !important;
    }

    .footer-link:active,
    .footer-link.active {
        background: rgba(0, 255, 255, 0.15) !important;
        border-color: var(--accent-primary) !important;
        color: var(--accent-primary) !important;
        transform: scale(0.96) !important;
        box-shadow: 0 0 15px rgba(0, 255, 255, 0.3) !important;
    }

    .footer-bottom {
        margin-top: var(--spacing-lg);
        border-top: none;
    }
}

/* ===================================
   DOWNLOAD BUTTON & MODAL
   =================================== */

/* Download Section - Below Status */
.download-section {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
}

.download-action-btn {
    width: 100%;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, rgba(157, 0, 255, 0.2), rgba(255, 0, 255, 0.2));
    border: 2px solid rgba(157, 0, 255, 0.5);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.download-action-btn:hover {
    background: linear-gradient(135deg, rgba(157, 0, 255, 0.35), rgba(255, 0, 255, 0.35));
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(157, 0, 255, 0.4);
}

.download-icon {
    font-size: 2rem;
    flex-shrink: 0;
    display: inline-block;
}

.download-text-group {
    flex: 1;
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    min-width: 0;
}

.download-main {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    display: block;
    white-space: nowrap;
}

.download-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
    display: block;
}

.download-arrow {
    font-size: 1.5rem;
    color: var(--accent-secondary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.download-action-btn:hover .download-arrow {
    transform: translateX(6px);
}

/* Modal Overlay */
.download-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.download-modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: linear-gradient(145deg, rgba(26, 11, 46, 0.98), rgba(10, 1, 24, 0.98));
    border: 1px solid var(--accent-secondary);
    border-radius: 24px;
    padding: var(--spacing-xl);
    max-width: 450px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(157, 0, 255, 0.3),
        0 0 40px rgba(0, 255, 255, 0.1);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
}

.modal-close:hover {
    color: var(--accent-primary);
    transform: rotate(90deg);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.modal-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* Settings Preview */
.settings-preview {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.preview-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
}

.preview-value {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--accent-primary);
}

/* Modal Controls */
.modal-control {
    margin-bottom: var(--spacing-md);
}

.modal-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

/* Duration Slider */
.duration-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.duration-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    outline: none;
}

.duration-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    transition: transform 0.2s ease;
}

.duration-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.duration-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.duration-value {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--accent-primary);
    min-width: 60px;
    text-align: right;
}

/* Format Selector */
.format-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.format-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.format-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-secondary);
}

.format-btn.active {
    background: linear-gradient(135deg, rgba(157, 0, 255, 0.2), rgba(255, 0, 255, 0.2));
    border-color: var(--accent-secondary);
    box-shadow: 0 0 20px rgba(157, 0, 255, 0.3);
}

.format-name {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.format-desc {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* Generate Button */
.generate-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: 12px;
    color: var(--bg-dark);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.4);
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 255, 255, 0.6);
}

.generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.generate-icon {
    font-size: 1.25rem;
}

/* Progress Section */
.progress-section {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.progress-section.hidden {
    display: none;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    background-size: 200% 100%;
    border-radius: 6px;
    transition: width 0.3s ease;
    animation: progressGlow 1.5s ease-in-out infinite;
}

@keyframes progressGlow {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.progress-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}