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

:root {
    --bg: #07070f;
    --panel: #0d0d1c;
    --card: #13132a;
    --card-h: #1b1b38;
    --border: #232342;
    --acc: #a855f7;
    --acc2: #06b6d4;
    --acc-glow: rgba(168, 85, 247, .35);
    --text: #eeeeff;
    --muted: #5566aa;
    --r: 10px;
}

[data-theme='light'] {
    --bg: #f8fafc;
    --panel: #ffffff;
    --card: #f1f5f9;
    --card-h: #e2e8f0;
    --border: #cbd5e1;
    --text: #0f172a;
    --muted: #64748b;
    --acc-glow: rgba(168, 85, 247, .15);
}

html,
body {
    height: 100%;
    overflow: hidden
}

body {
    font-family: 'Syne', sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column
}

/* ── HEADER ── */
.hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 50px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 100;
}

@media (max-width: 850px) {
    .hdr-tag {
        display: none;
    }
}

.logo {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -.5px;
    background: linear-gradient(90deg, var(--acc), var(--acc2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent
}

.hdr-tag {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 1.5px;
    text-transform: uppercase
}

/* ── APP SHELL ── */
.app {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

@media (max-width: 850px) {
    .panel {
        position: absolute;
        left: -320px;
        top: 0;
        bottom: 0;
        z-index: 50;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 20px 0 50px rgba(0,0,0,0.3);
    }
    .app.menu-open .panel {
        left: 0;
    }
    .app.menu-open .panel-ovl {
        display: block;
    }
}

.panel-ovl {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 40;
}

.floating-tog {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 150;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
}

.floating-tog:hover {
    background: var(--card-h);
    border-color: var(--acc);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--acc-glow);
}

@media (max-width: 850px) {
    .floating-tog {
        left: 16px;
    }
}

/* ── PANEL ── */
.panel {
    width: 300px;
    flex-shrink: 0;
    background: var(--panel);
    border-right: 1px solid var(--border);
    overflow-y: scroll;
    overflow-x: hidden;
    height: 100%;
    padding: 60px 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s, opacity 0.2s;
}

.app.menu-closed .panel {
    width: 0;
    padding: 0;
    border-right: none;
    opacity: 0;
    pointer-events: none;
}

.panel::-webkit-scrollbar {
    width: 5px
}

.panel::-webkit-scrollbar-track {
    background: transparent
}

.panel::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px
}

.panel::-webkit-scrollbar-thumb:hover {
    background: var(--muted)
}

/* ── SECTION ── */
.sec {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    flex-shrink: 0
}

.sec-hd {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--muted)
}

.sec-hd .ico {
    font-size: 13px
}

.sec-bd {
    padding: 11px 12px;
    display: flex;
    flex-direction: column;
    gap: 9px
}

/* ── DROP ZONES ── */
.dz {
    border: 1.5px dashed var(--border);
    border-radius: 8px;
    padding: 14px;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
    position: relative
}

.dz:hover,
.dz.over {
    border-color: var(--acc);
    background: rgba(168, 85, 247, .05)
}

.dz input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%
}

.dz-icon {
    font-size: 22px;
    margin-bottom: 5px
}

.dz-lbl {
    font-size: 11px;
    color: var(--muted)
}

.dz-nm {
    font-size: 11px;
    font-family: 'DM Mono', monospace;
    color: var(--acc2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 3px;
    display: none
}

/* ── INPUTS ── */
.ig {
    display: flex;
    flex-direction: column;
    gap: 4px
}

.ilbl {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--muted)
}

.ti {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 7px 11px;
    color: var(--text);
    font-family: 'Syne', sans-serif;
    font-size: 13px;
    outline: none;
    transition: border-color .2s;
    width: 100%
}

.ti:focus {
    border-color: var(--acc)
}

/* ── STYLE GRID ── */
.sg {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px
}

.sc {
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 9px 6px;
    cursor: pointer;
    transition: all .2s;
    text-align: center;
    background: var(--bg)
}

.sc:hover {
    border-color: var(--acc);
    background: rgba(168, 85, 247, .06)
}

.sc.on {
    border-color: var(--acc);
    background: rgba(168, 85, 247, .14);
    box-shadow: 0 0 0 1px var(--acc)
}

.sc-ico {
    font-size: 18px
}

.sc-nm {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .4px;
    color: var(--muted);
    margin-top: 3px
}

.sc.on .sc-nm {
    color: var(--acc)
}

.tier {
    font-size: 8.5px;
    font-family: 'DM Mono', monospace;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    opacity: .55;
    padding: 3px 0 1px
}

/* ── BG TABS ── */
.bgt {
    display: flex;
    background: var(--bg);
    border-radius: 6px;
    padding: 3px;
    gap: 2px
}

.bgtb {
    flex: 1;
    padding: 5px 4px;
    text-align: center;
    font-size: 10px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all .2s;
    color: var(--muted)
}

.bgtb.on {
    background: var(--acc);
    color: #fff
}

/* ── COLOR CONTROLS ── */
.crow {
    display: flex;
    align-items: center;
    gap: 7px
}

.cp {
    width: 34px;
    height: 26px;
    border: 1px solid var(--border);
    border-radius: 5px;
    cursor: pointer;
    padding: 2px;
    background: var(--bg);
    flex-shrink: 0
}

.clbl {
    font-size: 10px;
    color: var(--muted);
    font-family: 'DM Mono', monospace
}

.ri {
    width: 100%;
    -webkit-appearance: none;
    height: 3px;
    border-radius: 2px;
    background: var(--border);
    outline: none;
    cursor: pointer
}

.ri::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--acc);
    cursor: pointer
}

/* ── TOGGLE ── */
.trow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px
}

.tlbl {
    font-size: 12px;
    color: var(--text)
}

.tog {
    position: relative;
    width: 34px;
    height: 18px;
    flex-shrink: 0
}

.tog input {
    opacity: 0;
    width: 0;
    height: 0
}

.tt {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 9px;
    cursor: pointer;
    transition: background .2s
}

.tt::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fff;
    top: 3px;
    left: 3px;
    transition: transform .2s
}

.tog input:checked+.tt {
    background: var(--acc)
}

.tog input:checked+.tt::after {
    transform: translateX(16px)
}

/* ── ACCENT SWATCHES ── */
.arow {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap
}

.asw {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .2s;
    flex-shrink: 0
}

.asw.on {
    border-color: #fff;
    transform: scale(1.2)
}

/* ── RESOLUTION ── */
.rg {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px
}

.rc {
    padding: 7px 5px;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
    background: var(--bg)
}

.rc:hover {
    border-color: var(--acc)
}

.rc.on {
    border-color: var(--acc);
    background: rgba(168, 85, 247, .12)
}

.rn {
    font-size: 13px;
    font-weight: 700
}

.rs {
    font-size: 8px;
    font-family: 'DM Mono', monospace;
    color: var(--muted)
}

.rc.on .rs {
    color: var(--acc)
}

/* ── CANVAS AREA ── */
.carea {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    overflow: hidden
}

.ccont {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden
}

#previewCanvas {
    max-width: 100%;
    max-height: 100%;
    border-radius: 4px;
    box-shadow: 0 0 80px rgba(0, 0, 0, .4), 0 0 0 1px rgba(255, 255, 255, .04);
}

[data-theme='light'] #previewCanvas {
    box-shadow: 0 10px 40px rgba(0, 0, 0, .1);
}

.covl {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    opacity: 0.95;
    backdrop-filter: blur(10px);
    transition: opacity .3s;
    pointer-events: none;
    z-index: 5;
}

.covl.gone {
    opacity: 0;
    pointer-events: none
}

.es {
    text-align: center
}

.es-ico {
    font-size: 44px;
    margin-bottom: 10px
}

.es-ttl {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px
}

.es-sub {
    font-size: 12px;
    color: var(--muted)
}

/* ── TRANSPORT ── */
.tp {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 11px 18px;
    background: var(--panel);
    border-top: 1px solid var(--border);
    flex-shrink: 0
}

.pb {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--acc);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: #fff;
    flex-shrink: 0;
    transition: all .2s
}

.pb:hover {
    transform: scale(1.08);
    box-shadow: 0 0 20px var(--acc-glow)
}

.pb:disabled {
    opacity: .35;
    cursor: not-allowed;
    transform: none;
    box-shadow: none
}

.pa {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px
}

.pbar {
    height: 4px;
    background: var(--card);
    border-radius: 2px;
    cursor: pointer;
    position: relative
}

.pfill {
    height: 100%;
    background: linear-gradient(90deg, var(--acc), var(--acc2));
    border-radius: 2px;
    width: 0%;
    transition: width .1s linear;
    pointer-events: none
}

.td {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    color: var(--muted);
    display: flex;
    justify-content: space-between
}

.ebtn {
    padding: 9px 18px;
    background: linear-gradient(135deg, var(--acc), #7c3aed);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-family: 'Syne', sans-serif;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: .5px;
    transition: all .2s;
    white-space: nowrap
}

.ebtn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--acc-glow)
}

.ebtn:disabled {
    opacity: .35;
    cursor: not-allowed;
    transform: none;
    box-shadow: none
}

/* ── EXPORT OVERLAY ── */
.exov {
    position: fixed;
    inset: 0;
    background: rgba(7, 7, 15, .92);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100
}

.exov.vis {
    display: flex
}

.exc {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px 38px;
    text-align: center;
    min-width: 300px
}

.ex-ico {
    font-size: 36px;
    margin-bottom: 14px
}

.ex-ttl {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 5px
}

.ex-sub {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 18px
}

.exbar {
    height: 5px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden
}

.exbfill {
    height: 100%;
    background: linear-gradient(90deg, var(--acc), var(--acc2));
    border-radius: 3px;
    width: 0%;
    transition: width .4s
}

.expct {
    font-family: 'DM Mono', monospace;
    font-size: 22px;
    font-weight: 500;
    margin: 10px 0 3px;
    color: var(--acc)
}

.ex-cancel {
    margin-top: 14px;
    font-size: 11px;
    color: var(--muted);
    cursor: pointer;
    background: none;
    border: none;
    font-family: 'Syne', sans-serif
}

.ex-cancel:hover {
    color: var(--text)
}

.hdr-btn {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 14px;
}

.hdr-btn:hover {
    background: var(--card-h);
    border-color: var(--acc);
    transform: translateY(-1px);
}

#exportCanvas {
    display: none;
    position: absolute;
    top: -9999px
}