/* ============================================================
   LEFT PANEL – Liquid Glass UI
   Accent: #36dbe7 (dark) / #403688 (light)
   ============================================================ */

/* ── Icon rail ───────────────────────────────────────────── */
#left-navbar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 72px;
    background: var(--glass-bg-dark);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    box-shadow: var(--shadow-glass);
    color: white;
    z-index: 20;
    padding: 0.75rem 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* inner shine */
#left-navbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-shine);
    pointer-events: none;
}


/* ── Main icon column ────────────────────────────────────── */
#main-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    align-items: center;
}

#main-menu > div {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    align-items: center;
}

/* ── Nav logo ────────────────────────────────────────────── */
.nav-logo {
    width: 44px;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 8px var(--accent-glow));
    transition: filter 0.3s, transform 0.3s;
}

.nav-logo:hover {
    filter: drop-shadow(0 0 14px var(--accent-glow-strong));
    transform: scale(1.06);
}

/* ── Section headings ────────────────────────────────────── */
#detailed-menu h2 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--left-panel-text-color);
    margin-bottom: 0;
}

.left-menu-user-identity {
    color: var(--left-panel-text-color);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.35;
    overflow-wrap: anywhere;
    margin-top: 0.75rem;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
}

.left-menu-user-identity span {
    margin-left: 0.25rem;
    color: var(--left-panel-title-color);
    font-weight: 500;
}

/* ── Icon buttons ────────────────────────────────────────── */
.menu-btn {
    position: relative;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    width: 48px;
    height: 48px;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.65);
    background: transparent;
    border: 1px solid transparent;
    transition: background 0.25s ease, border-color 0.25s ease,
                color 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
}

.menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-border);
    color: var(--link-hover-color);
    box-shadow: 0 0 14px var(--accent-glow);
    transform: scale(1.08);
}

.menu-btn.clicked {
    background: rgba(54, 219, 231, 0.14);
    border-color: rgba(54, 219, 231, 0.35);
    color: var(--link-hover-color);
    box-shadow: 0 0 16px var(--accent-glow), 0 0 0 1px rgba(54, 219, 231, 0.2) inset;
    outline: none;
}

.menu-btn:focus {
    outline: none;
}

[data-bs-theme="light"] .menu-btn.clicked {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.3);
}

[data-bs-theme="light"] .menu-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

/* ── Detail-panel wrapper (slides in) ────────────────────── */
#detailed-menu-wrapper {
    position: fixed;
    width: 300px;
    top: 1.5vh;
    left: 0;
    z-index: 5;
    height: 97vh;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    transform: translateX(-120%);
    opacity: 0;
}

#detailed-menu-wrapper.open {
    z-index: 18;
    transform: translateX(80px);
    opacity: 1;
}

/* ── Detail panel card ───────────────────────────────────── */
#detailed-menu {
    background: var(--glass-bg-dark);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-glass);
    color: var(--left-panel-text-color);
    height: 100%;
    overflow: hidden;
    position: relative;
}

#detailed-menu::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-shine);
    pointer-events: none;
    border-radius: inherit;
}

/* ── Backdrop ────────────────────────────────────────────── */
.left-navbar-backdrop {
    display: none;
    position: fixed;
    background-color: var(--backdrop-bg-color);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2;
    height: 100vh;
    width: 100vw;
    top: 0;
    left: 0;
}

.left-navbar-backdrop.show {
    display: block;
    animation: backdropIn 0.3s ease;
}

@keyframes backdropIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ── Content areas ───────────────────────────────────────── */
.menu-content {
    display: none;
    padding: 1.25rem 1rem;
    height: 100%;
}

.menu-content.show {
    display: block;
}

.content-head {
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--glass-border);
}

.content-body {
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
}

.content-body::-webkit-scrollbar {
    width: 4px;
}

.content-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 999px;
}

/* ── Section titles (Off-chain, On-chain …) ──────────────── */
.menu-content .title {
    color: var(--left-panel-title-color);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    padding-left: 0.5rem;
}

/* ── Nav links ───────────────────────────────────────────── */
.menu-content ul {
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
}

.menu-content a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.42rem 0.75rem;
    border-radius: 10px;
    color: var(--left-panel-link);
    font-size: 0.84rem;
    line-height: 1.3;
    transition: background 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
    text-decoration: none;
}

.menu-content a:hover {
    background: var(--left-panel-link-bg-color);
    color: var(--link-hover-color);
    padding-left: 1rem;
    text-decoration: none;
}

/* ── Divider ─────────────────────────────────────────────── */
hr {
    border: none;
    border-top: 1px solid var(--glass-border);
    margin: 0.4rem 0;
}

/* ── Search input ────────────────────────────────────────── */
#service-search {
    width: 100%;
    padding: 0.45rem 0.85rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--glass-border);
    color: var(--left-panel-text-color);
    font-size: 0.83rem;
    outline: none;
    transition: border-color 0.25s, box-shadow 0.25s;
    margin-top: 0.5rem;
}

#service-search:focus {
    border-color: rgba(54, 219, 231, 0.5);
    box-shadow: 0 0 0 3px rgba(54, 219, 231, 0.1);
}

#service-search::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

[data-bs-theme="light"] #service-search {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(64, 54, 136, 0.2);
    color: var(--text-color);
}

[data-bs-theme="light"] #service-search::placeholder {
    color: var(--text-color);
    opacity: 0.55;
}

/* ── Highlight on search ─────────────────────────────────── */
#detailed-menu .highlight {
    color: var(--link-hover-color);
    font-weight: 600;
}

.show {
    display: block;
}

/* ── Responsive ──────────────────────────────────────────── */
@media screen and (max-width: 600px) {
    #left-navbar {
        position: fixed;
        top: 0;
        left: 0;
        height: 58px;
        width: 100%;
        padding: 0 0.75rem;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }

    #main-menu {
        flex-direction: row;
        width: 100%;
        height: auto;
    }

    #main-menu > div {
        flex-direction: row;
        gap: 0.3rem;
    }

    .nav-logo {
        width: 36px;
        margin-bottom: 0;
    }

    .menu-btn {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

    #detailed-menu-wrapper {
        top: 66px;
        height: calc(100vh - 74px);
        width: calc(100vw - 2rem);
        left: 1rem;
    }

    #detailed-menu-wrapper.open {
        transform: translateX(0);
    }
}

.nav-dropdown-divider {
    height: 1px;
    border-top: 1px solid var(--glass-border);
    width: 100%;
    margin: 0.35rem 0;
}

/* ============================================================
   end of left panel
   ============================================================ */