/* Izicode Edu — Design System compartilhado (shell)
   Padroniza sidebar, topbar, badges, empty states e animações
   entre as telas logadas e o portal. */

:root {
    --iz-brand: #0ea5e9;
    --iz-brand-dark: #0284c7;
    --iz-secondary: #6366f1;
    --iz-accent: #f59e0b;
    --iz-success: #10b981;
    --iz-danger: #ef4444;
    --iz-warning: #f59e0b;

    --iz-brand-muted: rgba(14, 165, 233, 0.10);

    --iz-bg: #f8fafc;
    --iz-surface: #ffffff;
    --iz-border: #e2e8f0;
    --iz-text: #0f172a;
    --iz-muted: #64748b;
    --iz-text-muted: #64748b;
    --iz-error: #ef4444;

    --iz-radius: 16px;
    --iz-radius-lg: 24px;
    --iz-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --iz-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
    --iz-shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.08);

    --iz-sidebar-w: 280px;
    --iz-sidebar-collapsed-w: 80px;
    --iz-topbar-h: 72px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    color: var(--iz-text);
    background: var(--iz-bg);
    -webkit-font-smoothing: antialiased;
}

.iz-display { font-family: 'Outfit', system-ui, sans-serif; }

/* ============= LAYOUT SHELL ============= */

.iz-shell {
    display: grid;
    grid-template-columns: var(--iz-sidebar-w) 1fr;
    min-height: 100vh;
}

.iz-sidebar {
    background: var(--iz-surface);
    border-right: 1px solid var(--iz-border);
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 30;
}

.iz-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.iz-content {
    flex: 1;
    padding: 32px;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
}

@media (max-width: 1023px) {
    .iz-shell { grid-template-columns: 1fr; }
    .iz-sidebar { display: none; }
    .iz-content { padding: 20px; }
}

/* ============= SIDEBAR ============= */

.iz-sidebar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 20px;
    border-bottom: 1px solid var(--iz-border);
}

.iz-sidebar__brand img {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--iz-surface);
    box-shadow: var(--iz-shadow-sm);
}

.iz-sidebar__brand-text { display: flex; flex-direction: column; }
.iz-sidebar__brand-text strong {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--iz-text);
    letter-spacing: -0.01em;
}
.iz-sidebar__brand-text small {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--iz-muted);
}

.iz-sidebar__profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    margin: 16px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.06), rgba(99, 102, 241, 0.04));
    border: 1px solid rgba(14, 165, 233, 0.12);
    border-radius: var(--iz-radius);
}
.iz-sidebar__profile img {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid var(--iz-surface);
    box-shadow: var(--iz-shadow-sm);
}
.iz-sidebar__profile-info { min-width: 0; flex: 1; }
.iz-sidebar__profile-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--iz-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.iz-sidebar__profile-meta {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--iz-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.iz-nav { flex: 1; overflow-y: auto; padding: 8px 12px 24px; }
.iz-nav__group {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--iz-muted);
    padding: 16px 12px 8px;
}
.iz-nav__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    color: #475569;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2px;
    transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.iz-nav__item:hover { background: rgba(14, 165, 233, 0.06); color: var(--iz-text); transform: translateX(2px); }
.iz-nav__item.is-active {
    background: linear-gradient(135deg, var(--iz-brand) 0%, var(--iz-secondary) 100%);
    color: #fff;
    box-shadow: 0 6px 18px rgba(14, 165, 233, 0.28);
}
.iz-nav__item.is-active:hover { transform: none; }
.iz-nav__item svg { width: 20px; height: 20px; flex-shrink: 0; }
.iz-nav__item .iz-badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.25);
    color: inherit;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 700;
}
.iz-nav__item:not(.is-active) .iz-badge {
    background: var(--iz-brand);
    color: #fff;
}

.iz-sidebar__footer {
    padding: 16px;
    border-top: 1px solid var(--iz-border);
}

/* ============= TOPBAR MOBILE ============= */

.iz-topbar {
    display: none;
    position: sticky;
    top: 0;
    z-index: 25;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--iz-border);
    padding: 12px 20px;
    align-items: center;
    justify-content: space-between;
    height: var(--iz-topbar-h);
}
.iz-topbar__menu {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: transparent; border: none; border-radius: 10px; cursor: pointer;
    color: var(--iz-text);
}
.iz-topbar__menu:hover { background: rgba(14, 165, 233, 0.08); }
.iz-topbar__brand { display: flex; align-items: center; gap: 10px; }
.iz-topbar__brand img { width: 36px; height: 36px; border-radius: 10px; }
.iz-topbar__brand strong { font-family: 'Outfit', sans-serif; font-size: 1rem; font-weight: 800; }

.iz-drawer {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
    z-index: 40;
    opacity: 0; visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}
.iz-drawer.is-open { opacity: 1; visibility: visible; }
.iz-drawer__panel {
    position: absolute; top: 0; left: 0; bottom: 0;
    width: min(320px, 86vw);
    background: var(--iz-surface);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    display: flex; flex-direction: column;
    overflow-y: auto;
}
.iz-drawer.is-open .iz-drawer__panel { transform: translateX(0); }

@media (max-width: 1023px) {
    .iz-topbar { display: flex; }
}

/* ============= PAGE HEADER ============= */

.iz-page-header {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}
@media (min-width: 768px) {
    .iz-page-header {
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
    }
}

.iz-page-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--iz-text);
    margin: 0;
    line-height: 1.1;
}
.iz-page-title em { font-style: normal; color: var(--iz-brand); }
.iz-page-subtitle {
    color: var(--iz-muted);
    font-size: 1rem;
    margin: 8px 0 0;
    line-height: 1.5;
}

/* ============= CARDS / SURFACES ============= */

.iz-card {
    background: var(--iz-surface);
    border: 1px solid var(--iz-border);
    border-radius: var(--iz-radius-lg);
    padding: 24px;
    box-shadow: var(--iz-shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.iz-card--hover:hover {
    box-shadow: var(--iz-shadow);
    border-color: rgba(14, 165, 233, 0.4);
    transform: translateY(-2px);
}
.iz-card--ghost {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #f8fafc;
    border-color: transparent;
}

.iz-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
}
.iz-section-title h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--iz-text);
    display: flex;
    align-items: center;
    gap: 10px;
}
.iz-section-title h2 .iz-icon {
    width: 36px; height: 36px;
    border-radius: 12px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--iz-brand);
    display: flex; align-items: center; justify-content: center;
}

/* ============= STAT TILES ============= */

.iz-stat {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px;
    background: var(--iz-surface);
    border: 1px solid var(--iz-border);
    border-radius: var(--iz-radius);
    box-shadow: var(--iz-shadow-sm);
}
.iz-stat__icon {
    width: 48px; height: 48px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.iz-stat__icon svg { width: 22px; height: 22px; }
.iz-stat__value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1;
    color: var(--iz-text);
}
.iz-stat__label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--iz-muted);
    margin-top: 6px;
}

/* ============= BUTTONS ============= */

.iz-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
    white-space: nowrap;
}
.iz-btn:hover { transform: translateY(-1px); }
.iz-btn:active { transform: translateY(0); }
.iz-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.iz-btn--primary {
    background: linear-gradient(135deg, var(--iz-brand), var(--iz-secondary));
    color: #fff;
    box-shadow: 0 6px 16px rgba(14, 165, 233, 0.25);
}
.iz-btn--primary:hover { box-shadow: 0 10px 22px rgba(14, 165, 233, 0.35); }
.iz-btn--dark { background: #0f172a; color: #fff; }
.iz-btn--ghost { background: transparent; color: var(--iz-text); border-color: var(--iz-border); }
.iz-btn--ghost:hover { background: rgba(15, 23, 42, 0.04); }
.iz-btn--danger { background: rgba(239, 68, 68, 0.08); color: var(--iz-danger); }
.iz-btn--danger:hover { background: rgba(239, 68, 68, 0.15); }
.iz-btn--lg { padding: 14px 24px; font-size: 0.95rem; border-radius: 14px; }
.iz-btn--sm { padding: 6px 12px; font-size: 0.78rem; border-radius: 8px; }

/* ============= BADGES ============= */

.iz-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.iz-badge--brand { background: rgba(14, 165, 233, 0.12); color: var(--iz-brand-dark); }
.iz-badge--purple { background: rgba(99, 102, 241, 0.12); color: #4338ca; }
.iz-badge--amber { background: rgba(245, 158, 11, 0.14); color: #b45309; }
.iz-badge--emerald { background: rgba(16, 185, 129, 0.12); color: #047857; }
.iz-badge--slate { background: rgba(100, 116, 139, 0.14); color: #475569; }

/* ============= TOAST ============= */

#iz-toast-stack {
    position: fixed; right: 20px; bottom: 20px;
    z-index: 100;
    display: flex; flex-direction: column; gap: 8px;
    pointer-events: none;
    max-width: 360px;
}
.iz-toast {
    background: var(--iz-surface);
    border-radius: 12px;
    padding: 12px 16px;
    box-shadow: var(--iz-shadow-lg);
    display: flex; align-items: flex-start; gap: 10px;
    border-left: 4px solid var(--iz-brand);
    font-size: 0.875rem;
    color: var(--iz-text);
    pointer-events: auto;
    animation: izToastIn 0.25s ease;
}
.iz-toast--success { border-left-color: var(--iz-success); }
.iz-toast--error { border-left-color: var(--iz-danger); }
.iz-toast--warning { border-left-color: var(--iz-warning); }
.iz-toast strong { display: block; font-weight: 700; margin-bottom: 2px; }
.iz-toast p { margin: 0; color: var(--iz-muted); }
.iz-toast.is-leaving { animation: izToastOut 0.2s ease forwards; }
@keyframes izToastIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes izToastOut {
    to   { opacity: 0; transform: translateY(8px); }
}

/* ============= EMPTY STATE ============= */

.iz-empty {
    text-align: center;
    padding: 56px 24px;
    background: var(--iz-surface);
    border: 2px dashed var(--iz-border);
    border-radius: var(--iz-radius-lg);
    color: var(--iz-muted);
}
.iz-empty__icon {
    width: 72px; height: 72px;
    border-radius: 22px;
    background: rgba(14, 165, 233, 0.08);
    color: var(--iz-brand);
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
}
.iz-empty__icon svg { width: 32px; height: 32px; }
.iz-empty h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    color: var(--iz-text);
    margin: 0 0 8px;
    font-weight: 700;
}
.iz-empty p { margin: 0 auto 18px; max-width: 360px; line-height: 1.5; }

/* ============= MODAL ============= */

.iz-modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 60;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    opacity: 0; visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}
.iz-modal-backdrop.is-open { opacity: 1; visibility: visible; }
.iz-modal {
    background: var(--iz-surface);
    border-radius: var(--iz-radius-lg);
    padding: 32px;
    max-width: 480px;
    width: 100%;
    box-shadow: var(--iz-shadow-lg);
    transform: translateY(8px) scale(0.98);
    transition: transform 0.2s ease;
    max-height: 90vh;
    overflow-y: auto;
}
.iz-modal-backdrop.is-open .iz-modal { transform: translateY(0) scale(1); }
.iz-modal h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 0 8px;
    color: var(--iz-text);
}
.iz-modal p { color: var(--iz-muted); margin: 0 0 20px; }
.iz-modal__close {
    position: absolute; top: 12px; right: 12px;
    background: transparent; border: none;
    width: 36px; height: 36px;
    border-radius: 10px;
    color: var(--iz-muted);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.iz-modal__close:hover { background: rgba(15, 23, 42, 0.05); color: var(--iz-text); }

/* ============= INPUTS ============= */

.iz-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.iz-field label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--iz-text);
}
.iz-field input,
.iz-field select,
.iz-field textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--iz-border);
    border-radius: 12px;
    font: inherit;
    color: var(--iz-text);
    background: #fff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.iz-field input:focus,
.iz-field select:focus,
.iz-field textarea:focus {
    outline: none;
    border-color: var(--iz-brand);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.14);
}
.iz-field__hint { font-size: 0.75rem; color: var(--iz-muted); }

/* ============= GRID HELPERS ============= */

.iz-grid { display: grid; gap: 16px; }
.iz-grid--stats { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.iz-grid--cards { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.iz-grid--two { grid-template-columns: 1fr; }
@media (min-width: 1024px) {
    .iz-grid--two { grid-template-columns: 2fr 1fr; }
}

/* ============= PROGRESS ============= */

.iz-progress {
    width: 100%;
    height: 10px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 999px;
    overflow: hidden;
}
.iz-progress__bar {
    height: 100%;
    background: linear-gradient(90deg, var(--iz-brand), var(--iz-secondary));
    border-radius: 999px;
    transition: width 0.4s ease;
}

/* ============= STEPPER (onboarding) ============= */

.iz-stepper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 32px;
}
.iz-stepper__step {
    width: 36px; height: 4px;
    border-radius: 999px;
    background: var(--iz-border);
    transition: background 0.3s ease, transform 0.3s ease;
}
.iz-stepper__step.is-active { background: var(--iz-brand); transform: scaleX(1.1); }
.iz-stepper__step.is-done { background: var(--iz-success); }

/* ============= UTILITY ============= */

.iz-row { display: flex; align-items: center; gap: 12px; }
.iz-row--between { justify-content: space-between; }
.iz-row--wrap { flex-wrap: wrap; }
.iz-stack { display: flex; flex-direction: column; gap: 12px; }
.iz-stack--lg { gap: 24px; }
.iz-mt-0 { margin-top: 0; }
.iz-text-muted { color: var(--iz-muted); }
.iz-text-sm { font-size: 0.85rem; }
.iz-truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ============= TOOL CARDS (Arsenal / Ferramentas) =============
   Usadas nos dashboards de professor e aluno. O ícone recebe a cor
   por style inline em cada card, então aqui definimos só forma e ritmo. */

.iz-grid--tools { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.iz-grid--projects { grid-template-columns: 1fr; gap: 14px; }
.iz-grid--challenges { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.iz-grid--badges { grid-template-columns: repeat(3, 1fr); gap: 10px; }

.iz-card--tool {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 24px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.iz-card--tool:hover {
    box-shadow: var(--iz-shadow);
    border-color: rgba(14, 165, 233, 0.4);
    transform: translateY(-3px);
}
.iz-card__tool-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 10px;
    box-shadow: var(--iz-shadow-sm);
}
.iz-card__tool-icon svg { width: 24px; height: 24px; }
.iz-card__tool-title {
    font-family: 'Outfit', system-ui, sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
    color: var(--iz-text);
}
.iz-card__tool-desc {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--iz-muted);
    margin: 0 0 8px;
}
.iz-card__tool-link {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--iz-brand-dark);
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.iz-card--tool:hover .iz-card__tool-link { gap: 8px; transition: gap 0.2s ease; }

/* ============= CHALLENGE / RANKING CARDS (aluno) ============= */

.iz-card--challenge { padding: 20px; display: flex; flex-direction: column; }
.iz-card--challenge:hover {
    box-shadow: var(--iz-shadow);
    border-color: rgba(14, 165, 233, 0.4);
    transform: translateY(-2px);
}
.iz-card--ranking { border: 1px solid var(--iz-border); }
.iz-card--gold { background: linear-gradient(135deg, #fffbeb, #fef3c7); border-color: #fde68a; }
.iz-card--silver { background: linear-gradient(135deg, #f8fafc, #f1f5f9); border-color: #e2e8f0; }
.iz-card--bronze { background: linear-gradient(135deg, #fff7ed, #ffedd5); border-color: #fed7aa; }

.iz-badge-card {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--iz-brand-muted, rgba(14, 165, 233, 0.08));
    border: 1px solid rgba(14, 165, 233, 0.18);
    border-radius: 14px;
    transition: transform 0.2s ease;
}
.iz-badge-card:hover { transform: scale(1.06); }

/* ============= BADGES (aliases semânticos) ============= */

.iz-badge--gray { background: rgba(100, 116, 139, 0.14); color: #475569; }
.iz-badge--success { background: rgba(16, 185, 129, 0.12); color: #047857; }
.iz-badge--error { background: rgba(239, 68, 68, 0.12); color: #b91c1c; }

/* ============= INPUT AVULSO (fora de .iz-field) ============= */

.iz-input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--iz-border);
    border-radius: 12px;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--iz-text);
    background: var(--iz-surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.iz-input:focus {
    outline: none;
    border-color: var(--iz-brand);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.14);
}
.iz-input::placeholder { color: #94a3b8; }
textarea.iz-input { resize: vertical; min-height: 90px; }

/* ============= MODAL BODY + SPINNER ============= */

.iz-modal__body { margin-bottom: 16px; }

.iz-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    display: inline-block;
    animation: izSpin 0.7s linear infinite;
}
@keyframes izSpin { to { transform: rotate(360deg); } }

/* ============= PROSE (conteúdo markdown renderizado) ============= */

.iz-prose { color: var(--iz-text); line-height: 1.7; font-size: 0.95rem; }
.iz-prose h1, .iz-prose h2, .iz-prose h3 {
    font-family: 'Outfit', system-ui, sans-serif;
    font-weight: 700;
    color: var(--iz-text);
    margin: 1.4em 0 0.5em;
    line-height: 1.3;
}
.iz-prose h1 { font-size: 1.5rem; }
.iz-prose h2 { font-size: 1.25rem; }
.iz-prose h3 { font-size: 1.05rem; }
.iz-prose p { margin: 0 0 1em; }
.iz-prose ul, .iz-prose ol { margin: 0 0 1em; padding-left: 1.4em; }
.iz-prose li { margin: 0.3em 0; }
.iz-prose strong { font-weight: 700; }
.iz-prose code {
    background: rgba(15, 23, 42, 0.06);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.85em;
    font-family: ui-monospace, 'SF Mono', Menlo, monospace;
}
.iz-prose pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 0 0 1em;
}
.iz-prose pre code { background: transparent; padding: 0; color: inherit; }
.iz-prose table { width: 100%; border-collapse: collapse; margin: 0 0 1em; }
.iz-prose th, .iz-prose td { border: 1px solid var(--iz-border); padding: 8px 10px; text-align: left; }
.iz-prose th { background: var(--iz-bg); font-weight: 700; }
.iz-prose a { color: var(--iz-brand-dark); }

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}