/* NatoDigital QRCode — temas via CSS variables (S11: zero CSS inline).
   Marca: magenta #DF0E7A e roxo #763C96 (CLAUDE.md seção 8). */

:root {
    --nd-magenta: #DF0E7A;
    --nd-purple: #763C96;
}

:root[data-theme=light] {
    --bg: #ffffff;
    --surface: #f7f4fa;
    --surface-2: #efe9f5;
    --text: #241b2e;
    --text-muted: #6b5f78;
    --border: #d9cfe4;
    --accent: var(--nd-purple);
    --accent-strong: var(--nd-magenta);
    --btn-primary-bg: var(--nd-magenta);
    --btn-primary-text: #ffffff;
    --warning-bg: #fdf3d7;
    --warning-text: #7a5a00;
    --error-text: #b00030;
    --success-text: #1a7a3c;
    --shadow: 0 2px 10px rgba(36, 27, 46, 0.08);
}

:root[data-theme=dark] {
    --bg: #17121d;
    --surface: #221a2b;
    --surface-2: #2d2238;
    --text: #f0ecf5;
    --text-muted: #b3a6c2;
    --border: #453853;
    --accent: #b58ad2;
    --accent-strong: #f75aa8;
    --btn-primary-bg: var(--nd-magenta);
    --btn-primary-text: #ffffff;
    --warning-bg: #3d3320;
    --warning-text: #eecf7c;
    --error-text: #ff8aa6;
    --success-text: #7ddba0;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ---- Honeypot (S9) — escondido por CSS, nunca por style= ---- */
.hp {
    position: absolute;
    left: -9999px;
}

/* ---- defs SVG compartilhadas ---- */
.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* ---- Header ---- */
.site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.9rem 1.25rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.brand-logo {
    height: 48px;
    width: auto;
    max-width: 100%;
    background: #ffffff;
    padding: 5px 7px;
    border-radius: 10px;
    box-sizing: content-box;
}

.brand-text p {
    margin: 0;
}

.brand-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--accent);
}

.brand-tagline {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.lang-switch {
    display: flex;
    gap: 0.4rem;
}

.lang-btn {
    height: 2.4rem;
    background: var(--bg);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.35rem 0.7rem;
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}

.lang-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* O idioma corrente não aparece no menu (só os outros dois). */
html[lang=pt] .lang-btn-pt,
html[lang=en] .lang-btn-en,
html[lang=es] .lang-btn-es {
    display: none;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.4rem;
    height: 2.4rem;
    padding: 0.4rem;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.theme-toggle .icon {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

:root[data-theme=light] .icon-moon {
    display: none;
}

:root[data-theme=dark] .icon-sun {
    display: none;
}

/* ---- Layout ---- */
.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 1.25rem 1rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

h1 {
    font-size: 1.6rem;
    line-height: 1.25;
    margin: 0 0 1.1rem;
}

h1::after {
    content: "";
    display: block;
    width: 56px;
    height: 4px;
    margin-top: 0.5rem;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--nd-magenta), var(--nd-purple));
}

h2 {
    font-size: 1.2rem;
    margin: 0 0 0.75rem;
}

h3 {
    font-size: 1rem;
    margin: 0 0 0.5rem;
}

/* ---- Campos ---- */
.field {
    margin: 0 0 1.25rem;
    padding: 0;
    border: 0;
    min-inline-size: 0;
}

.field > label,
.field > legend {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
    padding: 0;
}

textarea,
input[type=email] {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.6rem 0.75rem;
    font: inherit;
    resize: vertical;
}

textarea:focus,
input:focus,
select:focus,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.hint {
    margin: 0.35rem 0 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.char-counter {
    margin: 0.3rem 0 0;
    text-align: right;
    font-size: 0.78rem;
    font-variant-numeric: tabular-nums;
    color: var(--text-muted);
}

/* ---- Modos do logo central ---- */
.logo-modes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.25rem;
    margin-bottom: 0.5rem;
}

.logo-mode {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    cursor: pointer;
}

.logo-mode input {
    accent-color: var(--nd-magenta);
    margin: 0;
}

/* ---- Prévia do ícone padrão (informativa, não selecionável) ---- */
.logo-default {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.7rem 0.9rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    transition: opacity 150ms ease;
}

.logo-default.is-muted {
    opacity: 0.45;
}

.logo-default-icon {
    width: 44px;
    height: 44px;
    border-radius: 9px;
    flex-shrink: 0;
}

.logo-default .hint {
    margin: 0;
}

/* ---- Abas de tipo de conteúdo ---- */
.type-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.9rem;
}

.type-tab {
    position: relative;
}

.type-tab input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.type-tab span {
    display: inline-block;
    padding: 0.45rem 0.95rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.88rem;
    cursor: pointer;
    color: var(--text-muted);
    background: var(--bg);
    transition: border-color 120ms ease, background 120ms ease;
}

.type-tab:hover span {
    border-color: var(--accent);
    color: var(--accent);
}

.type-tab:has(input:checked) span {
    background: var(--surface-2);
    border-color: var(--accent-strong);
    color: var(--text);
    font-weight: 600;
}

.type-tab:has(input:focus-visible) span {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.sub-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.type-panel input[type=url],
.type-panel input[type=text],
.type-panel input[type=tel],
.type-panel input[type=email],
.type-panel select {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.6rem 0.75rem;
    font: inherit;
}

.alert-box {
    margin: 0.7rem 0 0;
    padding: 0.6rem 0.85rem;
    background: var(--warning-bg);
    color: var(--warning-text);
    border-left: 4px solid var(--nd-magenta);
    border-radius: 8px;
    font-size: 0.85rem;
}

.social-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 0.75rem;
}

#social-preview {
    min-height: 1.1rem;
    word-break: break-all;
}

.vcard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.phone-row {
    display: grid;
    grid-template-columns: minmax(92px, 112px) 1fr;
    gap: 0.5rem;
}

.type-panel select.phone-country {
    padding: 0.6rem 0.35rem;
    font-variant-numeric: tabular-nums;
}

/* ---- Radio-cards ---- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: 0.6rem;
}

.radio-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    padding: 0.7rem 0.4rem 0.55rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    text-align: center;
    color: var(--accent);
    transition: border-color 120ms ease, background 120ms ease;
}

.radio-card:hover {
    border-color: var(--accent);
}

.radio-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.radio-card:has(input:checked) {
    border-color: var(--accent-strong);
    background: var(--surface-2);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--nd-magenta) 16%, transparent);
}

.radio-card:has(input:focus-visible) {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.style-icon {
    width: 44px;
    height: 44px;
    fill: currentColor;
}

.style-icon .eye-inner {
    fill: var(--accent-strong);
}

.card-label {
    font-size: 0.78rem;
    color: var(--text);
}

/* ---- Cores ---- */
.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

.color-item label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

input[type=color] {
    width: 100%;
    height: 2.4rem;
    padding: 0.15rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    cursor: pointer;
}

input[type=color]::-webkit-color-swatch-wrapper {
    padding: 2px;
}

input[type=color]::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}

input[type=color]::-moz-color-swatch {
    border: none;
    border-radius: 6px;
}

/* ---- Tamanho ---- */
.size-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

input[type=range] {
    flex: 1;
    accent-color: var(--nd-magenta);
}

#size-value {
    min-width: 4.5rem;
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--text-muted);
}

/* ---- Upload ---- */
input[type=file] {
    width: 100%;
    font: inherit;
    font-size: 0.9rem;
    color: var(--text);
}

input[type=file]::file-selector-button {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.45rem 0.9rem;
    margin-right: 0.75rem;
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}

/* ---- Botões ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 0.65rem 1.4rem;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: filter 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}

.btn:disabled {
    opacity: 0.6;
    cursor: wait;
}

.btn-primary {
    background: linear-gradient(135deg, var(--nd-magenta) 10%, var(--nd-purple) 100%);
    color: var(--btn-primary-text);
}

.btn-primary:hover:not(:disabled) {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(223, 14, 122, 0.3);
}

.btn-secondary {
    background: var(--bg);
    color: var(--accent);
    border-color: var(--accent);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--surface-2);
}

#generate-submit {
    width: 100%;
    font-size: 1.05rem;
}

/* ---- Avisos e feedback ---- */
.warning {
    margin: 0.75rem 0 0;
    padding: 0.5rem 0.75rem;
    background: var(--warning-bg);
    color: var(--warning-text);
    border-radius: 8px;
    font-size: 0.85rem;
}

.warnings {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    background: var(--warning-bg);
    color: var(--warning-text);
    border-radius: 10px;
    font-size: 0.9rem;
}

.warnings h3 {
    margin: 0 0 0.35rem;
}

.warnings ul {
    margin: 0;
    padding-left: 1.2rem;
}

.feedback {
    margin: 0.75rem 0 0;
    font-size: 0.9rem;
}

.feedback-error,
.feedback.is-error {
    color: var(--error-text);
}

.feedback.is-success {
    color: var(--success-text);
}

/* ---- Resultado ---- */
.result {
    text-align: center;
}

.preview-img {
    max-width: min(100%, 420px);
    height: auto;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin: 1rem 0 1.5rem;
}

.email-form {
    max-width: 480px;
    margin: 0 auto;
    text-align: left;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.25rem 1.25rem;
}

.email-form label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.email-row {
    display: flex;
    gap: 0.6rem;
}

.email-row input {
    flex: 1;
    min-width: 0;
}

/* ---- Footer ---- */
.site-footer {
    padding: 1.5rem 1rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.site-footer p {
    margin: 0.2rem 0;
}

.footer-logo-link {
    display: inline-block;
    line-height: 0;
}

.footer-logo {
    height: 40px;
    width: auto;
    background: #ffffff;
    padding: 5px 7px;
    border-radius: 10px;
    box-sizing: content-box;
    transition: transform 120ms ease;
}

.footer-logo-link:hover .footer-logo {
    transform: translateY(-1px);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 0.75rem 0 0.5rem;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    height: 2.2rem;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-muted);
    background: var(--bg);
}

.footer-social a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.social-icon {
    width: 1.15rem;
    height: 1.15rem;
    fill: currentColor;
}

/* ---- Barra de marca (identidade) ---- */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--nd-magenta), var(--nd-purple));
    z-index: 10;
}

/* ---- Placeholder do resultado ----
   O #result nasce com [hidden]; aqui ele vira visível exibindo SÓ o
   placeholder. Quando o app.js gera e faz result.hidden = false, o
   placeholder some e o conteúdo aparece — zero JS extra. */
.result-placeholder {
    display: none;
}

#result[hidden] {
    display: block;
}

#result[hidden] .result-content {
    display: none;
}

#result[hidden] .result-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.9rem;
    min-height: 260px;
    padding: 2rem 1.25rem;
    border: 2px dashed var(--border);
    border-radius: 12px;
    color: var(--text-muted);
    text-align: center;
}

.placeholder-icon {
    width: 64px;
    height: 64px;
    fill: currentColor;
    opacity: 0.55;
}

.result-placeholder p {
    margin: 0;
    font-size: 0.95rem;
}

/* ---- Desktop: 2 colunas com preview fixo ---- */
@media (min-width: 1024px) {
    .container {
        max-width: 1180px;
        display: grid;
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        align-items: start;
        gap: 1.5rem;
    }

    #result {
        position: sticky;
        top: 1.5rem;
    }
}

/* ---- Responsivo (mobile-first já cobre 375px; ajustes em telas menores) ---- */
@media (max-width: 480px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .brand-tagline {
        display: none;
    }

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

    .email-row {
        flex-direction: column;
    }

    .actions .btn {
        width: 100%;
    }

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