/* ==========================================================================
   Voice Navigation & Floating HUD Overlay Styles
   Portfolio Workspace (amirf147.github.io)
   ========================================================================== */

/* Main HUD Floating Container (column-reverse ensures transcript sits on top of drawer/HUD) */
.vui-container {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 9998;
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 10px;
    pointer-events: none;
    max-width: 480px;
}

/* Floating HUD Pill */
.vui-hud {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--vui-hud-bg);
    border: 2px solid var(--vui-hud-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 30px;
    padding: 6px 14px 6px 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    pointer-events: auto;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
}

.vui-hud:hover {
    border-color: var(--accent-color);
    box-shadow: 0 8px 30px var(--vui-hud-glow);
}

/* Mic Action Button */
.vui-mic-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--btn-bg);
    border: 2px solid var(--btn-border);
    color: var(--heading-color);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    padding: 0;
}

.vui-mic-btn:hover {
    background-color: var(--btn-hover-bg);
    border-color: var(--accent-color);
    transform: scale(1.06);
}

.vui-mic-btn:focus-visible {
    outline: 3px dashed var(--focus-ring);
    outline-offset: 3px;
}

.vui-mic-icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
    transition: transform 0.2s ease;
}

/* Listening State - Pulsing Aura */
.vui-hud.is-listening {
    border-color: var(--accent-color);
    box-shadow: 0 0 20px var(--vui-hud-glow);
}

.vui-hud.is-listening .vui-mic-btn {
    background-color: var(--vui-active-mic);
    border-color: var(--vui-active-mic);
    color: #ffffff;
    animation: vui-pulse-ring 2s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes vui-pulse-ring {
    0% {
        box-shadow: 0 0 0 0 rgba(248, 81, 73, 0.6);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(248, 81, 73, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(248, 81, 73, 0);
    }
}

/* Audio Waveform Bars */
.vui-wave-bars {
    display: none;
    align-items: center;
    gap: 3px;
    height: 18px;
}

.vui-hud.is-listening .vui-wave-bars {
    display: flex;
}

.vui-bar {
    width: 3px;
    height: 100%;
    background-color: var(--vui-wave-color);
    border-radius: 3px;
    animation: vui-wave 1.2s infinite ease-in-out;
}

.vui-bar:nth-child(1) { animation-delay: 0.0s; height: 35%; }
.vui-bar:nth-child(2) { animation-delay: 0.2s; height: 80%; }
.vui-bar:nth-child(3) { animation-delay: 0.4s; height: 100%; }
.vui-bar:nth-child(4) { animation-delay: 0.1s; height: 50%; }

@keyframes vui-wave {
    0%, 100% { transform: scaleY(0.3); }
    50% { transform: scaleY(1); }
}

/* HUD Labels & Help Trigger */
.vui-label-group {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.vui-hud-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--heading-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

.vui-hud-subtitle {
    font-size: 0.72rem;
    color: var(--subtitle-color);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.vui-help-btn {
    background: transparent;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 0.76rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    transition: background-color 0.15s ease;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.vui-help-btn:hover {
    background-color: var(--btn-hover-bg);
}

.vui-help-btn:focus-visible {
    outline: 2px dashed var(--focus-ring);
}

/* Live Interim Transcript Bubble */
.vui-transcript-bubble {
    display: none;
    max-width: 440px;
    padding: 8px 14px;
    background-color: var(--menu-bg);
    border: 1.5px solid var(--accent-color);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--heading-color);
    pointer-events: auto;
    animation: vui-fade-slide 0.2s ease-out;
}

.vui-transcript-bubble.visible {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.vui-transcript-tag {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.72rem;
    color: var(--tag-num);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

.vui-interim-text {
    color: var(--text-color);
    font-style: italic;
    word-break: break-word;
}

@keyframes vui-fade-slide {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Action Toast Notification */
.vui-toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-30px);
    background-color: var(--menu-bg);
    border: 2px solid var(--accent-color);
    color: var(--heading-color);
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    font-size: 0.88rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 10001;
    pointer-events: none;
}

.vui-toast.visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.vui-toast-icon {
    color: var(--live-dot-color);
    font-size: 1.1rem;
}

/* Interactive Cheatsheet Drawer */
.vui-drawer {
    display: none;
    position: relative;
    max-width: 460px;
    width: calc(100vw - 48px);
    max-height: min(650px, calc(100vh - 110px));
    overflow-y: auto;
    background-color: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 16px;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    pointer-events: auto;
    animation: vui-fade-slide 0.25s cubic-bezier(0.25, 1, 0.5, 1);
}

.vui-drawer::-webkit-scrollbar {
    width: 6px;
}

.vui-drawer::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.vui-drawer.open {
    display: block;
}

.vui-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--divider-color);
    padding-bottom: 8px;
}

.vui-drawer-title {
    font-size: 0.96rem;
    font-weight: 800;
    color: var(--heading-color);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.vui-drawer-close {
    background: transparent;
    border: none;
    color: var(--subtitle-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.15s ease;
}

.vui-drawer-close:hover {
    color: var(--heading-color);
}

.vui-drawer-close:focus-visible {
    outline: 2px dashed var(--focus-ring);
}

.vui-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--tag-bg);
    color: var(--tag-num);
    border: 1px solid var(--border-color);
    vertical-align: middle;
}

.vui-warning-card {
    background: rgba(210, 153, 34, 0.12);
    border: 1.5px solid #d29922;
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.78rem;
    line-height: 1.45;
}

.vui-warning-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 800;
    color: #e3b341;
    font-size: 0.82rem;
}

.vui-warning-desc {
    color: var(--text-color);
    margin: 0;
}

.vui-warning-tip {
    color: var(--subtitle-color);
    margin: 0;
    font-size: 0.75rem;
    border-top: 1px dashed rgba(210, 153, 34, 0.35);
    padding-top: 5px;
}

.vui-warning-tip strong {
    color: #e3b341;
}

[data-theme="light"] .vui-warning-card {
    background: #fffbeb;
    border-color: #d97706;
}

[data-theme="light"] .vui-warning-header {
    color: #92400e;
}

[data-theme="light"] .vui-warning-desc {
    color: #451a03;
}

[data-theme="light"] .vui-warning-tip {
    color: #78350f;
    border-top-color: rgba(217, 119, 6, 0.25);
}

[data-theme="light"] .vui-warning-tip strong {
    color: #92400e;
}

[data-theme="high-contrast"] .vui-warning-card {
    background: #000000;
    border: 2px solid #ffff00;
}

[data-theme="high-contrast"] .vui-warning-header {
    color: #ffff00;
}

[data-theme="high-contrast"] .vui-warning-desc {
    color: #ffffff;
}

[data-theme="high-contrast"] .vui-warning-tip {
    color: #ffff00;
    border-top-color: #ffff00;
}

[data-theme="high-contrast"] .vui-warning-tip strong {
    color: #ffffff;
}

.vui-category {
    margin-bottom: 12px;
}

.vui-category-label {
    font-size: 0.72rem;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--subtitle-color);
    margin-bottom: 6px;
}

.vui-chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.vui-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--vui-chip-bg);
    border: 1px solid var(--vui-chip-border);
    color: var(--heading-color);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.vui-chip:hover {
    border-color: var(--vui-chip-hover);
    background-color: var(--btn-hover-bg);
    transform: translateY(-1px);
}

.vui-chip:focus-visible {
    outline: 2px dashed var(--focus-ring);
    outline-offset: 2px;
}

.vui-chip .chip-quote {
    color: var(--accent-color);
    font-weight: 800;
}

/* Full Commands Section Toggle Button */
.vui-toggle-all-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 10px;
    padding: 8px 12px;
    background-color: var(--btn-bg);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    color: var(--heading-color);
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.vui-toggle-all-btn:hover {
    background-color: var(--btn-hover-bg);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.vui-toggle-all-btn:focus-visible {
    outline: 2px dashed var(--focus-ring);
}

/* Exhaustive Commands Container */
.vui-exhaustive-view {
    display: none;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--divider-color);
    animation: vui-fade-slide 0.2s ease-out;
}

.vui-exhaustive-view.open {
    display: block;
}

/* Quick Destinations Menu List */
.vui-destinations-menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 6px;
}

.vui-dest-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 6px;
    background: var(--btn-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.vui-dest-item:hover {
    background: var(--btn-hover-bg);
    border-color: var(--accent-color);
    color: var(--heading-color);
    transform: translateX(2px);
}

.vui-dest-item.active {
    border-color: var(--accent-color);
    background: var(--status-live-bg, rgba(88, 166, 255, 0.12));
    color: var(--heading-color);
    font-weight: 700;
}

.vui-dest-num {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.74rem;
    color: var(--tag-num);
    font-weight: 700;
    margin-right: 6px;
}

.vui-dest-voice-tag {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.7rem;
    color: var(--subtitle-color);
    background: var(--menu-bg);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

/* First-Visit Prompt Banner */
.vui-welcome-banner {
    display: none;
    max-width: 320px;
    padding: 12px 14px;
    background-color: var(--menu-bg);
    border: 2px solid var(--accent-color);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    font-size: 0.84rem;
    color: var(--text-color);
    pointer-events: auto;
    animation: vui-fade-slide 0.3s ease-out;
}

.vui-welcome-banner.visible {
    display: block;
}

.vui-welcome-text {
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.vui-welcome-actions {
    display: flex;
    gap: 8px;
}

@media (max-width: 600px) {
    .vui-container {
        bottom: 16px;
        left: 16px;
        right: 16px;
        max-width: calc(100vw - 32px);
    }

    .vui-drawer {
        width: 100%;
        max-width: 100%;
        max-height: calc(100vh - 150px);
    }

    .vui-transcript-bubble {
        max-width: 100%;
    }
}