/**
 * Mirror Ai - Premium Floating Navigation
 * ========================================
 * Home button + service dropdown with per-service accent colors,
 * icon badges, descriptions, and smooth animations.
 */

/* ============================================================================
   SERVICE ACCENT COLORS
   ============================================================================ */
:root {
    --nav-accent-chat: #00f2fe;
    --nav-accent-documents: #a78bfa;
    --nav-accent-blog: #f59e0b;
}

/* ============================================================================
   FLOATING NAVIGATION CONTAINER
   ============================================================================ */
.floating-nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-floating-nav, 600);

    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 7px;

    /* Dark glass */
    background: linear-gradient(135deg, rgba(12, 16, 36, 0.92) 0%, rgba(8, 11, 26, 0.96) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);

    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;

    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.5),
        0 0 0 0.5px rgba(255, 255, 255, 0.06) inset;

    opacity: 1;
    visibility: visible;
    pointer-events: auto;

    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

body.dashboard-mode .floating-nav {
    display: none;
}

.floating-nav:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.6),
        0 0 0 0.5px rgba(255, 255, 255, 0.08) inset;
}

/* ============================================================================
   HOME / BACK BUTTON
   ============================================================================ */
.floating-nav-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;

    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 11px;

    color: rgba(255, 255, 255, 0.5);
    font-size: 0.95rem;
    cursor: pointer;

    transition: all 0.2s ease;
}

.floating-nav-back:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 242, 254, 0.25);
    color: var(--nav-accent-chat);
}

.floating-nav-back:focus-visible {
    outline: 2px solid var(--nav-accent-chat);
    outline-offset: 2px;
}

.floating-nav-back:active {
    transform: scale(0.93);
}

.floating-nav-back i {
    transition: transform 0.2s ease;
}

.floating-nav-back:hover i {
    transform: scale(1.1);
}

/* ============================================================================
   DIVIDER
   ============================================================================ */
.floating-nav-divider {
    width: 1px;
    height: 26px;
    background: rgba(255, 255, 255, 0.08);
    margin: 0 4px;
}

/* ============================================================================
   DROPDOWN CONTAINER
   ============================================================================ */
.floating-nav-dropdown {
    position: relative;
}

/* ============================================================================
   DROPDOWN TRIGGER
   ============================================================================ */
.floating-nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    padding: 0 14px 0 7px;

    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 11px;

    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    letter-spacing: 0.01em;
    white-space: nowrap;
    cursor: pointer;

    transition: all 0.2s ease;
    position: relative;
}

.floating-nav-dropdown-trigger:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.14);
}

.floating-nav-dropdown.is-open .floating-nav-dropdown-trigger {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
}

.floating-nav-dropdown-trigger:active {
    transform: scale(0.97);
}

.floating-nav-dropdown-trigger:focus-visible {
    outline: 2px solid var(--nav-accent-chat);
    outline-offset: 2px;
}

/* Trigger icon wrapper — small colored badge */
.trigger-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: rgba(0, 242, 254, 0.12);
    color: var(--nav-accent-chat);
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: background 0.2s ease, color 0.2s ease;
}

.dropdown-active-label {
    line-height: 1;
}

/* Dropdown arrow */
.dropdown-arrow {
    font-size: 0.55rem;
    opacity: 0.45;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
    margin-left: -2px;
}

.floating-nav-dropdown:hover .dropdown-arrow {
    opacity: 0.7;
}

.floating-nav-dropdown.is-open .dropdown-arrow {
    transform: rotate(180deg);
    opacity: 0.7;
}

/* ============================================================================
   DROPDOWN MENU
   ============================================================================ */
.floating-nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    transform-origin: top center;
    min-width: 250px;

    background: linear-gradient(160deg, rgba(16, 20, 42, 0.97) 0%, rgba(10, 13, 30, 0.99) 100%);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);

    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;

    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.55),
        0 0 0 0.5px rgba(255, 255, 255, 0.05) inset,
        0 0 40px rgba(0, 0, 0, 0.2);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition: opacity 0.2s ease,
                transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.2s ease;
}

.dropdown-menu-inner {
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* Open state */
.floating-nav-dropdown.is-open .floating-nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

/* ============================================================================
   MENU ITEMS
   ============================================================================ */
.floating-nav-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 10px 12px;

    background: transparent;
    border: none;
    border-radius: 12px;
    border-left: 3px solid transparent;

    color: rgba(255, 255, 255, 0.55);
    font-family: inherit;
    cursor: pointer;
    text-align: left;

    transition: all 0.18s ease;
    position: relative;
}

/* Icon badge */
.menu-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

/* Per-service icon colors */
.menu-item-icon[data-accent="chat"] {
    background: rgba(0, 242, 254, 0.08);
    color: var(--nav-accent-chat);
}

.menu-item-icon[data-accent="documents"] {
    background: rgba(167, 139, 250, 0.08);
    color: var(--nav-accent-documents);
}

.menu-item-icon[data-accent="blog"] {
    background: rgba(245, 158, 11, 0.08);
    color: var(--nav-accent-blog);
}

/* Text block */
.menu-item-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.menu-item-label {
    font-size: 0.875rem;
    font-weight: 560;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.2;
    transition: color 0.18s ease;
}

.menu-item-desc {
    font-size: 0.72rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.2;
    transition: color 0.18s ease;
}

/* Hover */
.floating-nav-menu-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.floating-nav-menu-item:hover .menu-item-label {
    color: rgba(255, 255, 255, 0.95);
}

.floating-nav-menu-item:hover .menu-item-desc {
    color: rgba(255, 255, 255, 0.4);
}

.floating-nav-menu-item:hover .menu-item-icon[data-accent="chat"] {
    background: rgba(0, 242, 254, 0.14);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.1);
}

.floating-nav-menu-item:hover .menu-item-icon[data-accent="documents"] {
    background: rgba(167, 139, 250, 0.14);
    box-shadow: 0 0 12px rgba(167, 139, 250, 0.1);
}

.floating-nav-menu-item:hover .menu-item-icon[data-accent="blog"] {
    background: rgba(245, 158, 11, 0.14);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.1);
}

/* Active item — left accent bar + brighter text */
.floating-nav-menu-item.active {
    background: rgba(255, 255, 255, 0.03);
}

.floating-nav-menu-item.active .menu-item-label {
    color: white;
}

.floating-nav-menu-item.active .menu-item-desc {
    color: rgba(255, 255, 255, 0.4);
}

/* Per-service active left bar */
.floating-nav-menu-item.active[data-accent="chat"] {
    border-left-color: var(--nav-accent-chat);
}

.floating-nav-menu-item.active[data-accent="documents"] {
    border-left-color: var(--nav-accent-documents);
}

.floating-nav-menu-item.active[data-accent="blog"] {
    border-left-color: var(--nav-accent-blog);
}

.floating-nav-menu-item.active .menu-item-icon[data-accent="chat"] {
    background: rgba(0, 242, 254, 0.15);
    box-shadow: 0 0 16px rgba(0, 242, 254, 0.12);
}

.floating-nav-menu-item.active .menu-item-icon[data-accent="documents"] {
    background: rgba(167, 139, 250, 0.15);
    box-shadow: 0 0 16px rgba(167, 139, 250, 0.12);
}

.floating-nav-menu-item.active .menu-item-icon[data-accent="blog"] {
    background: rgba(245, 158, 11, 0.15);
    box-shadow: 0 0 16px rgba(245, 158, 11, 0.12);
}

.floating-nav-menu-item:focus-visible {
    outline: 2px solid var(--nav-accent-chat);
    outline-offset: -2px;
}

/* ============================================================================
   MOBILE & TABLET
   ============================================================================ */
@media (max-width: 1024px) {
    .floating-nav {
        top: 0;
        left: 0;
        right: 0;
        transform: none;
        width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-top: none;
        padding: 8px 14px;
        gap: 8px;
        background: linear-gradient(135deg, rgba(12, 16, 36, 0.98) 0%, rgba(8, 11, 26, 0.99) 100%);
    }

    .floating-nav-back {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    .floating-nav-divider {
        height: 22px;
        margin: 0 2px;
    }

    .floating-nav-dropdown-trigger {
        padding: 5px 10px 5px 5px;
        font-size: 0.78rem;
        gap: 6px;
    }

    .trigger-icon-wrapper {
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
    }

    .floating-nav-dropdown-menu {
        left: 0;
        transform: translateX(0) translateY(-4px);
        min-width: 220px;
    }

    .floating-nav-dropdown.is-open .floating-nav-dropdown-menu {
        transform: translateX(0) translateY(0);
    }

    .floating-nav-menu-item {
        padding: 9px 10px;
    }

    .menu-item-icon {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }

    .menu-item-label {
        font-size: 0.8rem;
    }

    .menu-item-desc {
        font-size: 0.65rem;
    }
}

/* Very small screens — icon-only trigger */
@media (max-width: 480px) {
    .floating-nav {
        padding: 6px 10px;
    }

    .floating-nav-dropdown-trigger .dropdown-active-label {
        display: none;
    }

    .floating-nav-dropdown-trigger {
        padding: 5px 8px 5px 5px;
    }

    .floating-nav-back {
        width: 34px;
        height: 34px;
    }
}

/* ============================================================================
   LANDSCAPE MOBILE/TABLET
   ============================================================================ */
@media (max-width: 1024px) and (orientation: landscape) {
    @supports (padding: max(0px)) {
        .floating-nav {
            padding-left: max(10px, env(safe-area-inset-left));
            padding-right: max(10px, env(safe-area-inset-right));
        }
    }

    .floating-nav {
        padding-top: 5px;
        padding-bottom: 5px;
    }

    .floating-nav-dropdown-trigger {
        padding: 4px 8px 4px 4px;
    }

    .floating-nav-back {
        width: 32px;
        height: 32px;
    }
}

/* ============================================================================
   TABLET
   ============================================================================ */
@media (min-width: 768px) and (max-width: 1024px) {
    .floating-nav {
        padding: 7px 12px;
    }

    .floating-nav-dropdown-trigger {
        padding: 6px 12px 6px 6px;
    }
}

/* ============================================================================
   REDUCED MOTION
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
    .floating-nav,
    .floating-nav-back,
    .floating-nav-dropdown-trigger,
    .floating-nav-dropdown-menu,
    .floating-nav-menu-item,
    .menu-item-icon,
    .floating-nav-back i,
    .dropdown-arrow {
        transition: none;
    }
}

/* ============================================================================
   HIGH CONTRAST
   ============================================================================ */
@media (prefers-contrast: high) {
    .floating-nav {
        background: rgba(0, 0, 0, 0.98);
        border: 2px solid rgba(255, 255, 255, 0.5);
    }

    .floating-nav-dropdown-trigger {
        border-color: rgba(255, 255, 255, 0.5);
    }

    .floating-nav-menu-item.active {
        background: rgba(255, 255, 255, 0.15);
    }

    .menu-item-label {
        color: white;
    }

    .menu-item-desc {
        color: rgba(255, 255, 255, 0.7);
    }
}