/* =====================================================
   Guia de Vantagens do Servidor — Design System
   Paleta: dourado + azul marinho | Tipografia: Playfair Display + Inter
   Referência visual: pasta INTERFACE MODELO/
   ===================================================== */

:root {
    /* Paleta base */
    --gold: #d4af37;
    --gold-light: #e8c547;
    --gold-dark: #b8942e;
    --navy: #0a1628;
    --navy-light: #132337;
    --navy-lighter: #1c3148;
    --slate: #334155;
    --gray: #94a3b8;
    --gray-light: #cbd5e1;
    --gray-muted: #64748b;
    --white: #f8fafc;

    /* Estados */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Mapeamento semântico */
    --bg-primary: var(--navy);
    --bg-secondary: var(--navy-light);
    --bg-tertiary: var(--navy-lighter);
    --accent: var(--gold);
    --accent-light: var(--gold-light);
    --accent-dark: var(--gold-dark);
    --accent-glow: rgba(212, 175, 55, 0.3);
    --text-primary: var(--white);
    --text-secondary: var(--gray);
    --text-muted: var(--gray-muted);
    --border: rgba(212, 175, 55, 0.15);
    --border-hover: rgba(212, 175, 55, 0.3);
    --btn-text: var(--navy);

    /* Gradientes */
    --gradient-accent: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    --gradient-card: linear-gradient(145deg, #0f1f35 0%, #152a45 50%, #0f1f35 100%);
    --gradient-bg: linear-gradient(135deg, #0a1628 0%, #132337 50%, #0a1628 100%);

    /* Tipografia */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Espaçamento base */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 999px;

    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px var(--accent-glow);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Tipografia ========================================== */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

em {
    font-style: italic;
    color: var(--accent);
}

/* Pattern de fundo global ============================= */
.bg-pattern {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        var(--gradient-bg);
}

/* Header =============================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.site-header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.site-logo-emblem {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--gradient-accent);
    color: var(--navy);
    display: grid;
    place-items: center;
    font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
}

.site-logo-text b {
    color: var(--accent);
    font-weight: 700;
}

.site-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    font-size: 0.95rem;
}

.site-nav a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.is-active {
    color: var(--accent);
}

.site-header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-menu {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
}

.user-menu-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: inherit;
    text-decoration: none;
    border-radius: 999px;
    padding: 2px 4px 2px 2px;
    transition: background 0.15s ease;
}

.user-menu-label:hover {
    background: rgba(255, 255, 255, 0.06);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: var(--btn-text);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.user-avatar-img {
    object-fit: cover;
    background: var(--bg-tertiary);
}

.user-menu-logout {
    display: inline;
    margin: 0;
}

.btn.btn-sm {
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
}

/* Botões ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--btn-text);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

/* Cards ============================================== */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: border-color 0.2s, transform 0.2s;
}

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

/* Forms ============================================== */
.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.form-field label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-field input,
.form-field textarea,
.form-field select {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Flash messages ===================================== */
.flash-stack {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.flash {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 0.95rem;
}

.flash-sucesso {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.35);
    color: var(--success);
}

.flash-erro {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.35);
    color: var(--danger);
}

.flash-info {
    background: rgba(212, 175, 55, 0.08);
    border-color: var(--border-hover);
    color: var(--accent);
}

/* Footer ============================================= */
.site-footer {
    margin-top: 4rem;
    padding: 3rem 2rem 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.site-footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.site-footer-bottom {
    max-width: 1280px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
}

/* Container utilitário ================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Utilitários ======================================== */
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

.section {
    padding: 4rem 0;
}

/* Responsivo ========================================== */
@media (max-width: 860px) {
    .site-header-inner {
        padding: 0.75rem 1rem;
        gap: 1rem;
    }

    .site-nav {
        display: none;
    }

    .container {
        padding: 0 1rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }

    .section {
        padding: 2.5rem 0;
    }
}

/* ============================================================
 * Botão "Voltar" flutuante (Fase 10.x)
 * Fixed à esquerda, abaixo do header. Padronizado em todas as páginas
 * que envolvem navegação em profundidade (beneficios, detalhes, etc).
 * Funciona em qualquer tema (claro ou escuro) — usa pílula branca-fade
 * com backdrop-filter pra se adaptar ao fundo.
 * ============================================================ */
.btn-voltar-flutuante {
    position: fixed;
    top: 88px;
    left: 1.2rem;
    z-index: 50;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem 0.55rem 0.9rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px) saturate(1.2);
    -webkit-backdrop-filter: blur(10px) saturate(1.2);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 999px;
    color: #1a2740;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    box-shadow:
        0 4px 14px rgba(11, 15, 32, 0.1),
        0 1px 3px rgba(11, 15, 32, 0.06);
    transition: transform 0.18s, box-shadow 0.18s, color 0.18s, border-color 0.18s;
    font-family: inherit;
}
.btn-voltar-flutuante:hover {
    transform: translateX(-3px);
    color: #b88a30;
    border-color: rgba(184, 138, 48, 0.3);
    box-shadow:
        0 6px 20px rgba(11, 15, 32, 0.14),
        0 2px 5px rgba(11, 15, 32, 0.08);
}
.btn-voltar-flutuante:active { transform: translateX(-1px); }
.btn-voltar-seta {
    font-size: 1.05rem;
    line-height: 1;
    font-weight: 700;
}

/* Mobile: header é menor, botão fica mais perto da borda e some o label */
@media (max-width: 720px) {
    .btn-voltar-flutuante {
        top: 70px;
        left: 0.7rem;
        padding: 0.5rem;
        width: 40px;
        height: 40px;
        justify-content: center;
        gap: 0;
    }
    .btn-voltar-label { display: none; }
}

/* Tag visual da vantagem (Fase 8) — visível em páginas públicas */
.vt-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, #d4a657, #c89c45);
    color: #1a1a1a;
    text-transform: uppercase;
    box-shadow: 0 2px 6px rgba(212, 166, 87, 0.25);
    white-space: nowrap;
}

/* Tag "Desconto em folha" (Fase 9) — secundária ao lado da tag de preço */
.vt-tag-folha {
    background: linear-gradient(135deg, #1a3a52, #2d5a82);
    color: #fff;
    margin-left: 0.4rem;
    box-shadow: 0 2px 6px rgba(26, 58, 82, 0.25);
}

/* Banner do modo "atuar como" (impersonação) */
.impersonacao-banner {
    background: linear-gradient(135deg, #b8860b, #d4af37);
    color: #1a1a1a;
    padding: 0.55rem 1.2rem;
    font-size: 0.92rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid #8b6914;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}
.impersonacao-btn {
    background: #1a1a1a;
    color: #d4af37;
    border: none;
    padding: 0.35rem 0.9rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.88rem;
}
.impersonacao-btn:hover { background: #000; color: #fff; }

/* Banner do modo teste (variante mais alarmante que o de impersonação) */
.modo-teste-banner {
    background: repeating-linear-gradient(45deg, #fff3cd 0 14px, #ffe69c 14px 28px);
    color: #5c3c00;
    padding: 0.6rem 1.2rem;
    font-size: 0.92rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid #b8860b;
}
.modo-teste-btn {
    background: #5c3c00;
    color: #fff3cd;
    border: none;
    padding: 0.35rem 0.9rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.88rem;
}
.modo-teste-btn:hover { background: #000; color: #fff; }

/* Diagramação de textos multilinha vindos de textareas (descrição, regras).
   Filtro `paragrafos` em app.py gera <p>...</p> + <br>. */
.texto-paragrafos p {
    margin: 0 0 1.1em;
    line-height: 1.6;
}
.texto-paragrafos p:last-child { margin-bottom: 0; }
.texto-paragrafos p:first-child { margin-top: 0; }

/* Logo do Guia (sobe via /master/branding) — proporção 4:1 */
.site-logo-img {
    display: block;
    height: 40px;
    width: auto;
    max-width: 200px;
}

/* Logo do Guia no rodapé da carteirinha */
.card-rodape-logo {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    text-align: center;
}
.card-rodape-logo img {
    display: inline-block;
    height: 36px;
    width: auto;
    max-width: 160px;
    opacity: 0.85;
}