/* =====================================================================
   Sistema Inova — Design System
   Estrutura herdada do padrão ITMB (tokens, componentes, motion),
   repaginada na marca Inova (azul) e com TEMA CLARO/ESCURO alternável.
   O tema é controlado por [data-theme="light|dark"] no <html> (theme.js).
   ===================================================================== */

/* ---------- Tipografia ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sora:wght@600;700&display=swap');

/* =====================================================================
   TOKENS — tema CLARO (padrão)
   ===================================================================== */
:root,
[data-theme="light"] {
    /* Marca Inova */
    --primary:        #1f56e0;
    --primary-hover:  #1642b8;
    --accent:         #22a3ff;   /* azul claro de brilho/detalhe */
    --navy:           #0a1b3d;

    /* Superfícies (claro) */
    --bg:        #f4f6fb;
    --bg-soft:   #eef2f8;
    --surface:   #ffffff;
    --surface-2: #f8fafc;

    /* Texto (claro) */
    --text:      #0e1b2c;
    --text-soft: #4a5a70;
    --text-muted:#8493a8;

    /* Bordas (claro) */
    --border:        #e3e9f2;
    --border-strong: #cdd7e6;

    /* Estados */
    --erro:    #dc2626;  --erro-bg:  #fee2e2;
    --ok:      #16a34a;  --ok-bg:    #dcfce7;
    --warning: #d97706;

    /* Fundo das telas "cheias" (login, construção) */
    --hero-bg: linear-gradient(135deg, #0a1b3d 0%, #0f2a5c 55%, #1642b8 100%);

    /* Sombras (claro) */
    --shadow-sm: 0 1px 2px rgba(16,30,54,.06);
    --shadow-md: 0 8px 24px rgba(16,30,54,.08);
    --shadow-lg: 0 20px 48px rgba(16,30,54,.12);

    /* Forma e ritmo */
    --radius-sm: 8px;
    --radius:    12px;
    --radius-lg: 16px;
    --radius-pill: 999px;

    --font-display: 'Sora','Inter',system-ui,sans-serif;
    --font-body:    'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;

    --dur-micro: 150ms;
    --dur-base:  250ms;
    --ease:      cubic-bezier(.4,0,.2,1);

    color-scheme: light;
}

/* =====================================================================
   TOKENS — tema ESCURO
   ===================================================================== */
[data-theme="dark"] {
    --primary:        #4f85ff;
    --primary-hover:  #6f9bff;
    --accent:         #22a3ff;
    --navy:           #060f22;

    --bg:        #0a1120;
    --bg-soft:   #0f1a30;
    --surface:   #131f38;
    --surface-2: #182747;

    --text:      #eaf0fa;
    --text-soft: #b5c2d4;
    --text-muted:#7f8fa8;

    --border:        rgba(255,255,255,.09);
    --border-strong: rgba(255,255,255,.18);

    --erro:    #f87171;  --erro-bg:  rgba(220,38,38,.18);
    --ok:      #4ade80;  --ok-bg:    rgba(22,163,74,.18);
    --warning: #fbbf24;

    --hero-bg: linear-gradient(135deg, #060f22 0%, #0c1e3f 60%, #12356e 100%);

    --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
    --shadow-md: 0 8px 24px rgba(0,0,0,.5);
    --shadow-lg: 0 20px 48px rgba(0,0,0,.6);

    color-scheme: dark;
}

/* =====================================================================
   Base
   ===================================================================== */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    transition: background var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}
h1,h2,h3 { font-family: var(--font-display); letter-spacing: -.01em; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--text-muted); }
.inline { display: inline; }

/* ---------- Botões ---------- */
.btn {
    display: inline-block;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    padding: 12px 22px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--dur-micro) var(--ease), transform var(--dur-micro) var(--ease), box-shadow var(--dur-micro) var(--ease);
}
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(31,86,224,.35); }
.btn-primario { background: var(--primary); color: #fff; width: 100%; box-shadow: var(--shadow-sm); }
.btn-primario:hover { background: var(--primary-hover); transform: translateY(-1px); text-decoration: none; }
.btn-secundario {
    background: transparent; color: var(--text); border-color: var(--border-strong);
}
.btn-secundario:hover { background: var(--bg-soft); text-decoration: none; }
.btn-link {
    background: none; border: 0; color: var(--text-muted);
    padding: 4px 8px; font-weight: 500; cursor: pointer; font: inherit;
}
.btn-link:hover { color: var(--primary); text-decoration: underline; }

/* ---------- Alertas ---------- */
.alerta {
    border-radius: 10px;
    padding: 12px 16px;
    margin: 0 0 16px;
    font-size: 14px;
}
.alerta-erro { background: var(--erro-bg); color: var(--erro); }
.alerta-ok   { background: var(--ok-bg);   color: var(--ok); }

/* ---------- Botão de tema (claro/escuro) ---------- */
.theme-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-pill);
    background: var(--surface);
    color: var(--text-soft);
    cursor: pointer;
    transition: background var(--dur-micro) var(--ease), color var(--dur-micro) var(--ease);
}
.theme-toggle:hover { color: var(--primary); border-color: var(--primary); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .ico-sun  { display: none; }
[data-theme="dark"] .theme-toggle .ico-sun  { display: block; }
[data-theme="dark"] .theme-toggle .ico-moon { display: none; }
/* variação flutuante para telas cheias (login/construção) */
.theme-toggle--float {
    position: fixed; top: 18px; right: 18px; z-index: 20;
    background: rgba(255,255,255,.12);
    border-color: rgba(255,255,255,.28);
    color: #fff;
    backdrop-filter: blur(6px);
}
.theme-toggle--float:hover { background: rgba(255,255,255,.22); color: #fff; border-color: #fff; }

/* =====================================================================
   Telas de autenticação (login / recuperar)
   ===================================================================== */
.tela-auth {
    min-height: 100vh;
    display: grid; place-items: center;
    padding: 24px;
    background: var(--hero-bg);
}
.auth-card {
    width: 100%; max-width: 400px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 36px 32px;
}
.auth-brand { text-align: center; margin-bottom: 22px; }
.auth-logo  { max-height: 56px; margin-bottom: 10px; }
.auth-title { font-size: 22px; margin: 0; color: var(--text); }
.auth-sub   { margin: 4px 0 0; color: var(--text-muted); font-size: 14px; }
.auth-form label {
    display: block; margin-bottom: 16px;
    font-size: 13px; font-weight: 600; color: var(--text);
    letter-spacing: .02em;
}
.auth-form label span { display: block; margin-bottom: 6px; }
.auth-form input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    font: inherit; font-weight: 400;
    background: var(--surface-2);
    color: var(--text);
}
.auth-form input:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31,86,224,.15);
}
.auth-links { text-align: center; margin-top: 18px; font-size: 14px; }

/* =====================================================================
   Página em construção
   ===================================================================== */
.construcao {
    min-height: 100vh;
    display: grid; place-items: center;
    padding: 24px;
    background: var(--hero-bg);
    color: #fff; text-align: center;
}
.construcao-box { max-width: 520px; }
.construcao-logo { max-height: 72px; margin-bottom: 20px; }
.construcao h1 { font-size: 34px; margin: 0 0 12px; }
.construcao-msg { font-size: 18px; margin: 0 0 6px; }
.construcao-sub { color: rgba(255,255,255,.7); }
.construcao-sub a { color: #fff; text-decoration: underline; }

/* =====================================================================
   Casca do sistema logado
   ===================================================================== */
.app-shell { display: flex; min-height: 100vh; }
.app-side {
    width: 240px; flex-shrink: 0;
    background: var(--navy);
    color: #fff;
    display: flex; flex-direction: column;
}
.app-side-brand {
    display: flex; align-items: center; gap: 10px;
    padding: 20px; font-weight: 700; font-size: 18px;
    font-family: var(--font-display);
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.app-side-logo { max-height: 30px; }
.app-nav { padding: 12px; display: flex; flex-direction: column; gap: 4px; }
.app-nav-item {
    color: rgba(255,255,255,.8);
    padding: 10px 14px; border-radius: 8px; font-size: 15px;
    transition: background var(--dur-micro) var(--ease);
}
.app-nav-item:hover { background: rgba(255,255,255,.08); text-decoration: none; }
.app-nav-item.ativo { background: var(--primary); color: #fff; }

.app-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.app-top {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--surface);
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
}
.app-top-title { font-weight: 700; font-size: 18px; color: var(--text); font-family: var(--font-display); }
.app-top-user { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-soft); }
.app-content { padding: 24px; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}
.card h2 { margin: 0 0 8px; color: var(--text); }

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}
@media (max-width: 720px) {
    .app-shell { flex-direction: column; }
    .app-side { width: 100%; flex-direction: row; align-items: center; justify-content: space-between; }
    .app-nav { flex-direction: row; }
}
