/**
 * Grok & Mon Mobile & Accessibility Enhancements
 * Responsive design, touch interactions, keyboard navigation, ARIA support
 */

/* ============================================
   GLOBAL TOUCH IMPROVEMENTS
   ============================================ */

/* Ensure minimum touch target size (44x44px per WCAG) */
button,
.btn,
a.btn,
input[type="submit"],
input[type="button"],
.clickable,
[role="button"] {
    min-height: 44px;
    min-width: 44px;
    touch-action: manipulation;
}

/* Prevent double-tap zoom on interactive elements */
a,
button,
input,
select,
textarea {
    touch-action: manipulation;
}

/* Improve tap highlight */
* {
    -webkit-tap-highlight-color: rgba(255, 215, 0, 0.3);
}

/* ============================================
   FOCUS STATES (Accessibility)
   ============================================ */

/* Remove default outline and add custom focus */
:focus {
    outline: none;
}

:focus-visible {
    outline: 3px solid var(--rasta-gold);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Better focus for buttons */
button:focus-visible,
.btn:focus-visible,
a:focus-visible {
    outline: 3px solid var(--rasta-gold);
    outline-offset: 3px;
    box-shadow: 0 0 0 6px rgba(255, 215, 0, 0.2);
}

/* Focus for form inputs */
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    border-color: var(--rasta-gold);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

/* Skip link for keyboard navigation */
.skip-link {
    position: fixed;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--rasta-gold);
    color: #000;
    padding: 12px 24px;
    font-weight: bold;
    z-index: 100000;
    border-radius: 0 0 8px 8px;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   SCREEN READER UTILITIES
   ============================================ */

.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;
}

.sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Announce to screen readers */
[aria-live] {
    position: absolute;
    left: -9999px;
}

[aria-live="polite"],
[aria-live="assertive"] {
    position: static;
}

/* ============================================
   COLOR CONTRAST FIXES
   ============================================ */

/* Ensure sufficient contrast for text */
.text-muted,
.text-secondary {
    color: #b0b0c0 !important; /* Increased from #8888A0 for better contrast */
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #e0e0e0;
        --text-muted: #c0c0c0;
        --border: rgba(255, 255, 255, 0.4);
    }

    .section-card,
    .sensor-card,
    .device-card {
        border-width: 2px;
    }
}

/* ============================================
   LARGE BREAKPOINT (Tablets Landscape)
   ============================================ */
@media (max-width: 1200px) {
    .main-container {
        max-width: 100%;
        padding: 1rem;
    }

    .stats-row {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .growth-timeline {
        grid-column: span 2;
    }
}

/* ============================================
   MEDIUM BREAKPOINT (Tablets Portrait)
   ============================================ */
@media (max-width: 900px) {
    .header {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .logo-icon {
        width: 48px;
        height: 48px;
    }

    .logo-text {
        font-size: 1.4rem;
    }

    .stats-row {
        grid-template-columns: 1fr;
    }

    .health-score-card,
    .vpd-gauge-card {
        order: -1;
    }

    .cannabis-info-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

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

    /* Stack webcam and output vertically */
    .webcam-section,
    .output-section {
        max-height: none;
    }
}

/* ============================================
   SMALL BREAKPOINT (Mobile Landscape)
   ============================================ */
@media (max-width: 768px) {
    .header {
        padding: 0.5rem 0.75rem;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .status-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
    }

    .main-container {
        padding: 0.75rem;
        gap: 0.75rem;
    }

    /* Timeline stages - horizontal scroll on mobile */
    .timeline-stages {
        overflow-x: auto;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
    }

    .stage {
        scroll-snap-align: center;
        flex-shrink: 0;
        min-width: 70px;
    }

    .stage-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .stage-label {
        font-size: 0.6rem;
    }

    /* Sensors as 2 columns */
    .sensors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sensor-value {
        font-size: 1.2rem;
    }

    .sensor-label {
        font-size: 0.6rem;
    }

    /* Devices grid */
    .devices-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .device-card {
        padding: 0.6rem;
    }

    /* Photoperiod responsive */
    .photoperiod-display {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .light-period,
    .dark-period {
        padding: 0.5rem 1rem;
    }

    .period-hours {
        font-size: 1.2rem;
    }

    /* About section */
    .about-features {
        flex-direction: column;
        gap: 0.75rem;
    }

    .about-feature {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   EXTRA SMALL BREAKPOINT (Mobile Portrait)
   ============================================ */
@media (max-width: 480px) {
    .logo {
        gap: 0.5rem;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .logo-sub {
        font-size: 0.7rem;
    }

    /* Reduce section padding */
    .section-header {
        padding: 0.75rem 1rem;
    }

    .section-title {
        font-size: 0.8rem;
    }

    /* Health score ring smaller */
    .health-ring {
        width: 100px;
        height: 100px;
    }

    .health-value {
        font-size: 1.5rem;
    }

    /* Sensors as single column on very small screens */
    .sensors-grid {
        grid-template-columns: 1fr;
    }

    /* VPD gauge */
    .vpd-labels {
        font-size: 0.55rem;
    }

    .vpd-current {
        font-size: 1.2rem;
    }

    /* Chat widget adjustments */
    .chat-widget {
        width: calc(100% - 20px);
        left: 10px;
        right: 10px;
        max-height: 350px;
    }

    .chat-widget.collapsed {
        width: 160px;
    }

    /* Winamp player adjustments */
    .winamp-player {
        width: 240px;
        right: 5px;
        bottom: 65px;
    }

    /* Footer */
    .footer {
        padding: 0.75rem 1rem;
        font-size: 0.7rem;
    }

    /* Token metrics */
    .token-metrics {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .metric-value {
        font-size: 1rem;
    }

    /* Strain stats */
    .strain-stats {
        grid-template-columns: 1fr;
    }

    /* Mobile music bar bottom spacing */
    .chat-widget {
        bottom: 56px !important;
    }

    .chat-widget.collapsed {
        bottom: 56px !important;
    }

    #visualizer-toggle {
        bottom: 56px !important;
    }
}

/* ============================================
   MOBILE-FIRST LAYOUT FIX (< 768px)
   Prioritize webcam + key info, compact cards
   ============================================ */
@media (max-width: 768px) {
    /* Tighter main container on mobile */
    .main-container {
        padding: 0.75rem !important;
        gap: 0.75rem !important;
    }

    /* Webcam first on mobile */
    .main-container > .webcam-section {
        order: -10 !important;
    }

    /* Stats row compact */
    .stats-row {
        gap: 0.75rem !important;
    }

    /* Compact health score card */
    .health-score-card {
        padding: 1rem !important;
    }

    .health-ring {
        width: 90px !important;
        height: 90px !important;
        margin-bottom: 0.5rem !important;
    }

    /* Compact photoperiod card */
    .photoperiod-card {
        padding: 1rem !important;
    }

    .photoperiod-card .section-title {
        font-size: 0.85rem;
    }

    /* Compact strain card */
    .strain-card {
        padding: 1rem !important;
    }

    /* Reduce section card padding globally */
    .section-card {
        padding: 0.75rem !important;
        border-radius: 0.75rem !important;
    }

    .section-card .section-header {
        padding: 0.5rem 0 !important;
    }

    /* Compact sensor cards */
    .sensor-card {
        padding: 0.5rem !important;
    }

    /* Device cards compact */
    .device-card {
        padding: 0.5rem 0.75rem !important;
    }

    /* Webcam container max height */
    .webcam-container {
        max-height: 250px;
        overflow: hidden;
    }

    .webcam-img {
        max-height: 250px;
        object-fit: cover;
    }

    /* Compact Grok wisdom section */
    .output-section {
        max-height: 200px !important;
        overflow-y: auto;
    }

    /* Token section compact */
    .token-section {
        padding: 1rem !important;
    }

    .token-warning {
        font-size: 0.75rem !important;
        padding: 0.5rem 0.75rem !important;
    }

    .token-actions {
        flex-wrap: wrap;
        gap: 0.5rem !important;
    }

    .token-actions .btn {
        flex: 1 1 calc(50% - 0.25rem);
        font-size: 0.75rem !important;
        padding: 0.5rem 0.75rem !important;
    }

    /* ERC-8004 Agent section compact */
    .agent-section {
        padding: 1rem !important;
    }

    .agent-skills-list,
    .agent-features-list {
        font-size: 0.8rem;
    }

    .agent-platforms-grid {
        grid-template-columns: 1fr !important;
        gap: 0.5rem !important;
    }

    /* About section compact */
    #about-section {
        padding: 1rem !important;
    }

    /* Grow archive compact */
    #grow-archive {
        padding: 1rem !important;
    }

    /* Signup section compact */
    #signup-section {
        padding: 1rem !important;
    }

    /* Timeline stages smaller */
    .stage {
        min-width: 55px !important;
    }

    .stage-icon {
        width: 28px !important;
        height: 28px !important;
        font-size: 0.85rem !important;
    }

    .stage-label {
        font-size: 0.55rem !important;
    }

    /* Collapse chat widget by default on mobile */
    .chat-widget {
        max-height: 44px !important;
        width: 140px !important;
        left: auto !important;
        right: 10px !important;
        bottom: 56px !important;
        border-radius: 8px !important;
        opacity: 0.9;
    }

    .chat-widget .chat-messages,
    .chat-widget .chat-input-area {
        display: none;
    }

    .chat-widget.expanded {
        max-height: 350px !important;
        width: calc(100% - 20px) !important;
        left: 10px !important;
        right: 10px !important;
        opacity: 1;
    }

    .chat-widget.expanded .chat-messages,
    .chat-widget.expanded .chat-input-area {
        display: flex;
    }

    /* Hide visualizer toggle on mobile (no full Webamp, no point) */
    #visualizer-toggle {
        display: none !important;
    }

    /* Hide milkdrop canvas on mobile */
    #milkdrop-container,
    [id*="butterchurn"] {
        display: none !important;
    }

    /* Bottom padding for mobile music bar */
    .footer {
        padding-bottom: 56px !important;
    }

    main.main-container {
        padding-bottom: 60px !important;
    }
}

/* ============================================
   SAFE AREA INSETS (iPhone X+)
   ============================================ */
@supports (padding: max(0px)) {
    .header {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    .main-container {
        padding-left: max(0.75rem, env(safe-area-inset-left));
        padding-right: max(0.75rem, env(safe-area-inset-right));
    }

    .chat-widget {
        left: max(10px, env(safe-area-inset-left));
        bottom: max(10px, env(safe-area-inset-bottom));
    }

    .footer {
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
    }
}

/* ============================================
   LANDSCAPE MOBILE
   ============================================ */
@media (max-height: 500px) and (orientation: landscape) {
    .header {
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .main-container {
        padding-top: 0.5rem;
    }

    .webcam-container {
        min-height: 200px;
    }

    .chat-widget {
        max-height: 200px;
    }

    .winamp-player {
        bottom: 10px;
    }
}

/* ============================================
   DARK MODE ENHANCEMENT
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Already dark, but ensure good contrast */
    ::selection {
        background: var(--rasta-gold);
        color: #000;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .chat-widget,
    .winamp-player,
    #vinyl-record,
    #smoke-canvas,
    #trichome-sparkles,
    #crt-overlay,
    #effects-settings-panel,
    .webcam-fullscreen {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .section-card {
        break-inside: avoid;
        border: 1px solid #ccc;
    }
}

/* ============================================
   MOTION PREFERENCES
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .haze-blob {
        animation: none !important;
    }
}

/* ============================================
   SWIPE GESTURES SUPPORT
   ============================================ */
.swipeable {
    touch-action: pan-x;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.swipeable > * {
    scroll-snap-align: start;
}

/* Hide scrollbar for swipeable elements */
.swipeable::-webkit-scrollbar {
    display: none;
}

.swipeable {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading-skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        var(--bg-card-hover) 50%,
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   ERROR STATES
   ============================================ */
.error-message {
    background: rgba(200, 16, 46, 0.1);
    border: 1px solid var(--rasta-red);
    color: var(--rasta-red);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.error-message::before {
    content: '\26A0';
    font-size: 1.2em;
}

/* ============================================
   SUCCESS STATES
   ============================================ */
.success-message {
    background: rgba(0, 155, 58, 0.1);
    border: 1px solid var(--rasta-green);
    color: var(--rasta-green);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.success-message::before {
    content: '\2714';
    font-size: 1.2em;
}