:root {
    --bg: #07111f;
    --bg-soft: #101b2d;
    --panel: rgba(17, 27, 45, 0.88);
    --panel-strong: #132038;
    --panel-muted: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.08);
    --text: #f5f8ff;
    --text-muted: #9db0cf;
    --primary: #70e1d0;
    --primary-strong: #34c4b0;
    --danger: #ff7f96;
    --warning: #ffd36d;
    --success: #90f0a7;
    --info: #87c6ff;
    --shadow: 0 22px 55px rgba(0, 0, 0, 0.25);
    --radius: 22px;
    --radius-sm: 14px;
    --radius-xs: 10px;
    --max-width: 1240px;
    --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html[data-theme="light"] {
    --bg: #eff4fb;
    --bg-soft: #f7f9fd;
    --panel: rgba(255, 255, 255, 0.95);
    --panel-strong: #ffffff;
    --panel-muted: rgba(10, 29, 58, 0.035);
    --border: rgba(15, 30, 52, 0.1);
    --text: #102033;
    --text-muted: #5c6f8f;
    --primary: #0f917d;
    --primary-strong: #0a7667;
    --danger: #d95370;
    --warning: #b07c00;
    --success: #16864b;
    --info: #0b73c7;
    --shadow: 0 18px 44px rgba(15, 31, 59, 0.1);
}

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

html {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font);
    color: var(--text);
    background:
        radial-gradient(circle at top right, rgba(112, 225, 208, 0.18), transparent 30%),
        radial-gradient(circle at bottom left, rgba(135, 198, 255, 0.16), transparent 28%),
        linear-gradient(180deg, var(--bg), var(--bg-soft));
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    display: block;
}

button,
input,
select,
textarea {
    font: inherit;
}

code {
    display: inline-block;
    background: var(--panel-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.2rem 0.5rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    color: var(--text);
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

p:last-child {
    margin-bottom: 0;
}

.app-shell {
    padding: 1.5rem;
}

.layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1.25rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.sidebar {
    position: sticky;
    top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-height: calc(100vh - 3rem);
    padding: 1.25rem;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.sidebar__brand,
.sidebar__user,
.sidebar__footer {
    padding-bottom: 0.25rem;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    color: var(--text);
    text-decoration: none;
}

.brand-link:hover {
    text-decoration: none;
}

.brand-mark {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(112, 225, 208, 0.26), rgba(135, 198, 255, 0.22));
    border: 1px solid rgba(112, 225, 208, 0.22);
    font-size: 1.45rem;
}

.brand-link strong {
    display: block;
    font-size: 1rem;
}

.brand-link small {
    color: var(--text-muted);
    display: block;
    margin-top: 0.18rem;
}

.profile-chip {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 0.75rem;
    border-radius: 16px;
    background: var(--panel-muted);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
}

.profile-chip:hover {
    text-decoration: none;
}

.profile-chip small {
    display: block;
    color: var(--text-muted);
    margin-top: 0.1rem;
}

.profile-chip--stacked {
    align-items: flex-start;
}

.profile-chip__avatar {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), rgba(135, 198, 255, 0.7));
    color: #04253a;
    font-weight: 800;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    color: var(--text);
    text-decoration: none;
    border: 1px solid transparent;
}

.nav-link:hover {
    text-decoration: none;
    background: var(--panel-muted);
    border-color: var(--border);
}

.nav-link.is-active {
    background: linear-gradient(135deg, rgba(112, 225, 208, 0.16), rgba(135, 198, 255, 0.16));
    border-color: rgba(112, 225, 208, 0.25);
}

.main-shell {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.2rem;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-wrap {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.page-title {
    margin: 0;
    font-size: 1.4rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.card--soft {
    background: linear-gradient(180deg, rgba(112, 225, 208, 0.09), var(--panel));
}

.card--inner {
    background: var(--panel-muted);
    border-radius: 18px;
    box-shadow: none;
}

.card--hero {
    display: grid;
    grid-template-columns: 1.5fr 0.9fr;
    gap: 1.25rem;
    padding: 1.5rem;
    background:
        radial-gradient(circle at top right, rgba(112, 225, 208, 0.24), transparent 35%),
        linear-gradient(180deg, rgba(112, 225, 208, 0.08), var(--panel));
}

.card--span-2 {
    grid-column: span 2;
}

.hero__content h1,
.hero__content h2 {
    margin-bottom: 0.8rem;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.08;
}

.hero__content p {
    max-width: 60ch;
    color: var(--text-muted);
    font-size: 1.03rem;
}

.hero__panel {
    align-self: stretch;
}

.score-card,
.stat-stack {
    height: 100%;
}

.score-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.55rem;
    padding: 1.25rem;
    border-radius: 20px;
    background: rgba(8, 17, 28, 0.28);
    border: 1px solid rgba(112, 225, 208, 0.18);
}

html[data-theme="light"] .score-card {
    background: rgba(15, 145, 125, 0.07);
}

.score-card__value {
    font-size: clamp(2.4rem, 8vw, 4rem);
    font-weight: 800;
    line-height: 1;
}

.stat-stack {
    display: grid;
    gap: 0.8rem;
}

.stat {
    padding: 1rem;
    border-radius: 18px;
    background: var(--panel-muted);
    border: 1px solid var(--border);
}

.stat strong {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 1.05rem;
}

.stat span {
    color: var(--text-muted);
}

.section {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.grid {
    display: grid;
    gap: 1.2rem;
}

.grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-grid--compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card {
    padding: 1.15rem;
    border-radius: 18px;
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.metric-card strong {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 1.55rem;
}

.metric-card small {
    color: var(--text-muted);
    display: block;
    line-height: 1.4;
}

.card-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--panel-muted);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    align-items: center;
}

.button-row--tight {
    gap: 0.45rem;
}

.button {
    appearance: none;
    border: 0;
    border-radius: 14px;
    padding: 0.82rem 1.05rem;
    background: linear-gradient(135deg, var(--primary), rgba(135, 198, 255, 0.78));
    color: #04253a;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
    text-decoration: none;
}

.button:hover {
    text-decoration: none;
    filter: brightness(1.03);
}

.button--ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: none;
}

.button--danger {
    background: linear-gradient(135deg, var(--danger), rgba(255, 180, 195, 0.85));
    color: #3d0516;
}

.button--small {
    padding: 0.58rem 0.8rem;
    border-radius: 12px;
    font-size: 0.92rem;
}

.button--full {
    width: 100%;
    justify-content: center;
    display: inline-flex;
}

.icon-button {
    appearance: none;
    border: 1px solid var(--border);
    background: var(--panel-muted);
    color: var(--text);
    width: 42px;
    height: 42px;
    border-radius: 14px;
    cursor: pointer;
}

.form-stack {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.form-grid {
    display: grid;
    gap: 0.85rem;
}

.form-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

label {
    display: flex;
    flex-direction: column;
    gap: 0.42rem;
    font-weight: 600;
}

label span {
    font-size: 0.92rem;
    color: var(--text-muted);
}

.input,
.textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--panel-muted);
    color: var(--text);
    padding: 0.82rem 0.95rem;
    outline: none;
    transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.input:focus,
.textarea:focus {
    border-color: rgba(112, 225, 208, 0.45);
    transform: translateY(-1px);
}

.textarea {
    min-height: 120px;
    resize: vertical;
}

.input--centered {
    text-align: center;
    font-size: 1.3rem;
    letter-spacing: 0.22em;
}

.checkbox {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.6rem;
    font-weight: 500;
}

.checkbox input {
    accent-color: var(--primary);
}

.checkbox--mt {
    align-self: end;
    margin-bottom: 0.3rem;
}

.alert {
    padding: 0.95rem 1.05rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.alert--success {
    background: rgba(22, 134, 75, 0.15);
    color: var(--text);
    border-color: rgba(22, 134, 75, 0.26);
}

.alert--danger {
    background: rgba(217, 83, 112, 0.16);
    color: var(--text);
    border-color: rgba(217, 83, 112, 0.28);
}

.alert--info {
    background: rgba(11, 115, 199, 0.14);
    color: var(--text);
    border-color: rgba(11, 115, 199, 0.25);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.68rem;
    border-radius: 999px;
    font-size: 0.83rem;
    font-weight: 700;
    border: 1px solid var(--border);
    background: var(--panel-muted);
    color: var(--text);
}

.badge--accent {
    background: rgba(112, 225, 208, 0.16);
    border-color: rgba(112, 225, 208, 0.25);
}

.badge--success {
    background: rgba(22, 134, 75, 0.16);
    border-color: rgba(22, 134, 75, 0.24);
}

.badge--warning {
    background: rgba(255, 211, 109, 0.18);
    border-color: rgba(255, 211, 109, 0.28);
}

.badge--danger {
    background: rgba(217, 83, 112, 0.16);
    border-color: rgba(217, 83, 112, 0.24);
}

.badge--muted {
    background: var(--panel-muted);
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    background: var(--panel-muted);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.92rem;
}

.list,
.stack,
.habit-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.list-item,
.habit-row,
.breakdown-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 0.95rem;
    border-radius: 16px;
    background: var(--panel-muted);
    border: 1px solid var(--border);
}

.list-item small,
.habit-row small,
.breakdown-row small,
.table-note,
.muted,
small {
    color: var(--text-muted);
    line-height: 1.45;
}

.progress-chip {
    padding: 0.5rem 0.7rem;
    border-radius: 12px;
    background: rgba(112, 225, 208, 0.14);
    border: 1px solid rgba(112, 225, 208, 0.2);
    font-weight: 700;
}

.progress {
    position: relative;
    width: 100%;
    height: 11px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 999px;
    overflow: hidden;
    border: 1px solid var(--border);
}

html[data-theme="light"] .progress {
    background: rgba(15, 145, 125, 0.08);
}

.progress > span {
    position: absolute;
    inset: 0 auto 0 0;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary), rgba(135, 198, 255, 0.85));
}

.table-wrap {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    text-align: left;
    vertical-align: top;
    padding: 0.95rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-size: 0.84rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.table tr:last-child td {
    border-bottom: 0;
}

.table-note {
    margin-top: 0.35rem;
    font-size: 0.9rem;
}

.breakdown-row {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
}

.breakdown-row__text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.card__split,
.habit-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.timeline {
    display: grid;
    gap: 0.85rem;
}

.timeline__item {
    padding: 1rem 1.1rem;
    border-radius: 18px;
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.auth-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.25rem;
    align-items: start;
}

.narrow-card {
    max-width: 640px;
    margin: 0 auto;
}

.guest-shell {
    display: grid;
    place-items: center;
    padding: 2rem 1rem;
    overflow-x: hidden;
}

.guest-container {
    position: relative;
    z-index: 1;
    width: min(100%, var(--max-width));
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.guest-backdrop {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at top center, rgba(112, 225, 208, 0.24), transparent 28%),
        radial-gradient(circle at bottom right, rgba(135, 198, 255, 0.18), transparent 22%);
    pointer-events: none;
}

.feature-list {
    margin: 0;
    padding-left: 1.15rem;
    display: grid;
    gap: 0.55rem;
    color: var(--text-muted);
}

.text-center {
    text-align: center;
}

.small {
    font-size: 0.88rem;
}

.mt-24 {
    margin-top: 1.5rem;
}

.form-actions-end {
    display: flex;
    align-items: end;
    justify-content: flex-end;
}

.two-factor-box {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 1rem;
    padding: 1rem;
    border-radius: 18px;
    background: var(--panel-muted);
    border: 1px solid var(--border);
}

.two-factor-box__qr {
    width: 220px;
    height: 220px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: #fff;
    padding: 0.5rem;
}

.recovery-codes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.recovery-codes code {
    padding: 0.55rem 0.7rem;
}

.mobile-only {
    display: none;
}

@media (max-width: 1080px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        inset: 1rem auto 1rem 1rem;
        width: min(320px, calc(100% - 2rem));
        transform: translateX(-120%);
        transition: transform 0.22s ease;
        z-index: 25;
    }

    .sidebar.is-open {
        transform: translateX(0);
    }

    .mobile-only {
        display: inline-grid;
        place-items: center;
    }

    .metric-grid,
    .metric-grid--compact,
    .grid--3,
    .grid--2,
    .auth-grid,
    .card--hero,
    .two-factor-box,
    .form-grid--2,
    .form-grid--3 {
        grid-template-columns: 1fr;
    }

    .card--span-2 {
        grid-column: span 1;
    }

    .breakdown-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .app-shell {
        padding: 1rem;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .topbar-right {
        width: 100%;
        justify-content: space-between;
    }

    .list-item,
    .habit-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .button-row {
        width: 100%;
    }

    .button-row .button,
    .button-row form {
        width: 100%;
    }

    .button-row .button {
        justify-content: center;
        display: inline-flex;
    }

    .profile-chip {
        width: 100%;
    }
}

.mb-24 { margin-bottom: 1.5rem; }
.mt-8 { margin-top: 0.5rem; }
.mt-16 { margin-top: 1rem; }
.mt-24 { margin-top: 1.5rem; }
.row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.xp-bar {
    width: 100%;
    height: 16px;
    background: var(--panel-muted);
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
    margin-top: 1rem;
}
.xp-bar--thin { height: 10px; margin-top: 0.35rem; }
.xp-bar--large { height: 20px; }
.xp-bar__fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(112, 225, 208, 0.95), rgba(135, 198, 255, 0.95));
}
.badge-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1rem;
}
.badge-gallery--compact {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.badge-card {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.9rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--panel-muted);
}
.badge-card img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 14px 30px rgba(0,0,0,0.18);
}
.badge-card--mini img { width: 58px; height: 58px; }
.badge-card--unlock {
    background: linear-gradient(135deg, rgba(112,225,208,0.12), rgba(135,198,255,0.12));
}
.badge-card--locked {
    opacity: 0.58;
    filter: grayscale(0.25);
}
.badge-card--owned {
    border-color: rgba(112,225,208,0.25);
}
.quest-list {
    display: grid;
    gap: 0.9rem;
}
.quest-item {
    padding: 0.95rem 1rem;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--panel-muted);
}
.pomodoro-timer {
    padding: 1.2rem;
    border-radius: 24px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(112,225,208,0.12), rgba(135,198,255,0.08));
}
.pomodoro-clock {
    font-size: clamp(3rem, 8vw, 5.2rem);
    line-height: 1;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-align: center;
}
.list-item--stretch {
    align-items: center;
}
.xp-mini {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 0.8rem;
    border-radius: 999px;
    background: var(--panel-muted);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.92rem;
}
.card--soft {
    background: linear-gradient(135deg, rgba(112, 225, 208, 0.12), rgba(135, 198, 255, 0.08));
}
.card--inner {
    background: var(--panel-muted);
}
@media (max-width: 900px) {
    .row-between {
        flex-direction: column;
        align-items: flex-start;
    }
    .badge-gallery {
        grid-template-columns: 1fr;
    }
}
.notes-layout {
    display: grid;
    grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
    gap: 1.25rem;
}
.notes-sidebar-stack,
.notes-main-stack {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.note-list {
    display: grid;
    gap: 0.9rem;
}
.note-list__item {
    display: grid;
    grid-template-columns: 12px minmax(0, 1fr);
    gap: 0.9rem;
    padding: 0.95rem 1rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--panel-muted);
    color: var(--text);
    text-decoration: none;
}
.note-list__item:hover {
    text-decoration: none;
    border-color: rgba(112, 225, 208, 0.24);
    transform: translateY(-1px);
}
.note-list__item.is-selected {
    border-color: rgba(112, 225, 208, 0.32);
    background: linear-gradient(135deg, rgba(112,225,208,0.12), rgba(135,198,255,0.08));
}
.note-swatch {
    width: 12px;
    border-radius: 999px;
    min-height: 72px;
}
.note-list__body {
    min-width: 0;
}
.note-list__title-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}
.note-page-card {
    padding: 1rem;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--panel-muted);
}
.list-item--top {
    align-items: flex-start;
}
@media (max-width: 1100px) {
    .notes-layout {
        grid-template-columns: 1fr;
    }
}


.code-block {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    background: rgba(7, 17, 31, 0.55);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1rem;
    font-size: 0.88rem;
    line-height: 1.5;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.workspace-grid {
    display: grid;
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
    gap: 1rem;
}

.workspace-pane {
    min-height: 720px;
}

.exception-list,
.file-list,
.comment-list,
.event-timeline,
.project-explorer {
    display: grid;
    gap: 0.8rem;
}

.exception-item,
.file-item,
.project-explorer__item,
.comment-item,
.event-timeline__item {
    display: block;
    padding: 1rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--panel-muted);
    color: var(--text);
    text-decoration: none;
}

.exception-item:hover,
.file-item:hover {
    text-decoration: none;
    border-color: rgba(112, 225, 208, 0.28);
}

.exception-item.is-selected,
.file-item.is-selected {
    border-color: rgba(112, 225, 208, 0.45);
    background: linear-gradient(135deg, rgba(112, 225, 208, 0.12), rgba(135, 198, 255, 0.12));
}

.badge--error { background: rgba(255, 127, 150, 0.18); color: var(--danger); }
.badge--critical { background: rgba(255, 211, 109, 0.2); color: var(--warning); }
.badge--warning { background: rgba(255, 211, 109, 0.16); color: var(--warning); }
.badge--info { background: rgba(135, 198, 255, 0.18); color: var(--info); }

.studio-shell {
    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(8, 13, 24, 0.72);
    overflow: hidden;
}

.studio-shell__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.studio-shell__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
}

.studio-pane {
    padding: 1rem;
    border-right: 1px solid var(--border);
}

.studio-pane:last-child {
    border-right: 0;
}

.code-editor,
.code-preview {
    width: 100%;
    min-height: 460px;
    padding: 1rem;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.06);
    background: #0b1220;
    color: #eaf2ff;
    font-size: 0.9rem;
    line-height: 1.6;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.code-editor {
    resize: vertical;
}

.code-preview {
    white-space: pre-wrap;
    overflow: auto;
}

.code-preview .tok-keyword { color: #87c6ff; font-weight: 700; }
.code-preview .tok-type { color: #ffd36d; }
.code-preview .tok-string { color: #90f0a7; }
.code-preview .tok-comment { color: #8ca1c4; font-style: italic; }
.code-preview .tok-number { color: #ffb187; }
.code-preview .tok-preprocessor { color: #a691ff; }

.button-row {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

@media (max-width: 980px) {
    .workspace-grid,
    .studio-shell__grid {
        grid-template-columns: 1fr;
    }

    .workspace-pane {
        min-height: 0;
    }

    .studio-pane {
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .studio-pane:last-child {
        border-bottom: 0;
    }
}


.carbon-presets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.carbon-card {
    width: 100%;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    background: var(--panel-muted);
    color: var(--text);
    text-align: left;
    cursor: pointer;
}

.carbon-card img {
    width: 100%;
    height: 130px;
    object-fit: cover;
}

.carbon-card > div {
    padding: 0.9rem 1rem 1rem;
}

.carbon-card.is-selected,
.carbon-card:hover {
    border-color: rgba(112, 225, 208, 0.4);
    box-shadow: 0 0 0 1px rgba(112, 225, 208, 0.22) inset;
    text-decoration: none;
}

.carbon-preview {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(112, 225, 208, 0.12), rgba(135, 198, 255, 0.08));
}

.carbon-preview strong {
    font-size: 1.5rem;
    margin: 0.2rem 0 0.4rem;
}


.button-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.code-block--patch {
    max-height: 38rem;
    overflow: auto;
    font-size: 0.86rem;
    line-height: 1.5;
}

.editor-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.editor-shell__input,
.editor-shell__preview {
    min-height: 540px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--panel-muted);
    padding: 1rem;
    overflow: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.95rem;
    line-height: 1.55;
}

.editor-shell__preview {
    margin: 0;
    white-space: pre-wrap;
}

.meter {
    width: 100%;
    height: 16px;
    border-radius: 999px;
    background: var(--panel-muted);
    border: 1px solid var(--border);
    overflow: hidden;
}

.meter__fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--success), var(--primary), var(--warning));
    transition: width 0.12s ease;
}

@media (max-width: 980px) {
    .editor-shell {
        grid-template-columns: 1fr;
    }
}