/* Shared shell: theme tokens, top bar, sidebar, profile. Extracted from design/. */
:root {
    --bg: #0F1216;
    --bg-2: #14181E;
    --surface: #1A1F27;
    --surface-2: #232A34;
    --line: #272E39;
    --line-2: #39424F;
    --text: #EEF2F6;
    --text-2: #98A2AF;
    --text-3: #5E6875;
    --amber: #F6B93B;
    --amber-2: #FFCB5E;
    --amber-dim: #6b551f;
    --good: #3DD68C;
    --yt: #FF4136;
    --cyan: #35C2F0;
    --violet: #7C6BFF;
    --bad: #FF5B5B;
    --vox: #FF6E8E;
    --drums: #FF8A5B;
    --bass: #7C6BFF;
    --gtr: #F6B93B;
    --keys: #35C2F0;
    --other: #3DD68C;
    --staff: #4A5563;
}

body.light {
    --bg: #EEF1F5;
    --bg-2: #FFFFFF;
    --surface: #FFFFFF;
    --surface-2: #E9EDF2;
    --line: #E3E7EC;
    --line-2: #CDD4DD;
    --text: #1B222B;
    --text-2: #5C6675;
    --text-3: #8B95A3;
    --amber-2: #B0741A;
    --staff: #B7C0CC;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

html, body {
    height: 100%
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow: hidden
}

button {
    font-family: inherit;
    color: inherit;
    cursor: pointer;
    border: none;
    background: none
}

a {
    color: inherit;
    text-decoration: none
}

:focus-visible {
    outline: 2px solid var(--amber);
    outline-offset: 2px;
    border-radius: 6px
}

.mono {
    font-family: 'JetBrains Mono', monospace
}

.theme-toggle {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    color: var(--text-2);
    border: 1px solid var(--line);
    background: var(--surface);
    transition: .14s;
    flex: none;
    cursor: pointer
}

.theme-toggle:hover {
    color: var(--text);
    border-color: var(--line-2)
}

.app {
    height: 100vh;
    display: grid;
    grid-template-columns:250px 1fr;
    grid-template-rows:56px 1fr;
    grid-template-areas:"top top" "side main"
}

.top {
    grid-area: top;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 16px;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line)
}

.brand {
    display: flex;
    align-items: center;
    gap: 9px
}

.logo {
    width: 24px;
    height: 24px;
    display: block
}

.brand-name {
    font-family: 'Sora';
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -.02em
}

.brand-name span {
    color: var(--amber)
}

.top-search {
    flex: 1;
    max-width: 520px;
    display: flex;
    align-items: center;
    gap: 9px;
    background: var(--surface);
    border: 1px solid var(--line);
    padding: 9px 13px;
    border-radius: 10px;
    color: var(--text-2);
    font-size: 13.5px;
    transition: .14s
}

.top-search:focus-within {
    border-color: var(--line-2)
}

.top-search svg {
    flex: none;
    opacity: .7
}

.top-search input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text);
    font-size: 13.5px;
    font-family: inherit
}

.top-search input::placeholder {
    color: var(--text-3)
}

.top-spacer {
    flex: 1
}

.import-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    font-weight: 600;
    color: #1a1205;
    background: var(--amber);
    padding: 9px 14px;
    border-radius: 9px;
    transition: .14s
}

.import-btn:hover {
    background: var(--amber-2)
}

.ghost-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-2);
    border: 1px solid var(--line);
    background: var(--surface);
    padding: 8px 12px;
    border-radius: 9px;
    transition: .14s
}

.ghost-btn:hover {
    color: var(--text);
    border-color: var(--line-2)
}

.side {
    grid-area: side;
    background: var(--bg-2);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    overflow: hidden
}

.nav {
    padding: 12px 10px 6px
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 11px;
    width: 100%;
    text-align: left;
    padding: 9px 11px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
    transition: .14s
}

.nav-item svg {
    flex: none;
    opacity: .85
}

.nav-item:hover {
    background: var(--surface);
    color: var(--text)
}

.nav-item.on {
    background: var(--surface);
    color: var(--text)
}

.nav-item.on svg {
    opacity: 1;
    color: var(--amber)
}

.side-label {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: var(--text-3);
    padding: 14px 21px 7px
}

.side-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0 10px 12px
}

.side-scroll::-webkit-scrollbar {
    width: 7px
}

.side-scroll::-webkit-scrollbar-thumb {
    background: var(--line);
    border-radius: 8px
}

.gitem {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    padding: 8px 11px;
    border-radius: 9px;
    font-size: 13px;
    color: var(--text-2);
    transition: .14s
}

.gitem:hover {
    background: var(--surface)
}

.gitem.on {
    background: var(--surface-2);
    color: var(--text)
}

.gitem .sw {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex: none
}

.side-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    margin-top: auto;
    padding: 11px 12px;
    border-top: 1px solid var(--line);
    transition: .14s
}

.side-profile:hover {
    background: var(--surface)
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3DD68C, #35C2F0);
    display: grid;
    place-items: center;
    font-weight: 600;
    font-size: 12px;
    color: #0b1015;
    flex: none
}

.sp-info {
    min-width: 0;
    flex: 1
}

.sp-name {
    font-size: 12.5px;
    font-weight: 600
}

.sp-plan {
    font-size: 10.5px;
    color: var(--text-2)
}

.sp-more {
    color: var(--text-3);
    flex: none
}

.main {
    grid-area: main;
    overflow-y: auto;
}

.library-padding {
    padding: 24px 30px 50px
}

.main::-webkit-scrollbar {
    width: 9px
}

.main::-webkit-scrollbar-thumb {
    background: var(--line);
    border-radius: 8px
}

/* ---- Mobile drawer nav (shared by .app and .song-app shells) ---- */
.menu-btn {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: 9px;
    place-items: center;
    color: var(--text-2);
    border: 1px solid var(--line);
    background: var(--surface);
    flex: none;
    cursor: pointer
}

.menu-btn:hover {
    color: var(--text);
    border-color: var(--line-2)
}

.nav-scrim {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(6, 8, 11, .6);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease
}

@media (max-width: 900px) {
    .menu-btn { display: grid }

    .app {
        grid-template-columns: 1fr;
        grid-template-areas: "top" "main"
    }

    .side {
        position: fixed;
        top: 56px;
        left: 0;
        bottom: 0;
        z-index: 60;
        width: min(84vw, 300px);
        border-right: 1px solid var(--line);
        transform: translateX(-100%);
        transition: transform .24s ease
    }

    .nav-open .side { transform: none }

    .nav-scrim { display: block }

    .nav-open .nav-scrim {
        opacity: 1;
        pointer-events: auto
    }

    .library-padding { padding: 18px 16px 40px }
}

@media (max-width: 600px) {
    .top { gap: 10px; padding: 0 12px }

    .top-search { display: none }

    .brand-name { font-size: 15px }

    .import-btn {
        padding: 8px 11px;
        gap: 6px
    }
}