/* ==========================================================================
   LinguaScore Results Portal - hoja de estilos propia
   Paleta: verde azulado (teal) + naranja, para diferenciarse claramente
   de cualquier identidad visual de terceros.
   ========================================================================== */

:root {
    --brand-primary: #0f766e;   /* teal oscuro */
    --brand-primary-dark: #0b5a54;
    --brand-accent: #f97316;    /* naranja */
    --bg: #f4f6f6;
    --panel-bg: #ffffff;
    --text: #1f2937;
    --text-muted: #6b7280;
    --border: #e2e8f0;
    --error: #b91c1c;
    --success: #15803d;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

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

/* ---------- Barra superior / navegación ---------- */
.topbar {
    background: var(--brand-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    flex-wrap: wrap;
}
.brand { font-size: 1.3rem; font-weight: 700; letter-spacing: .5px; }
.topnav a {
    color: #e6fffa;
    margin-left: 20px;
    font-weight: 500;
}
.topnav a.active { color: #fff; border-bottom: 2px solid var(--brand-accent); padding-bottom: 4px; }
.topnav a:hover { text-decoration: none; color: #fff; }

.content { max-width: 1000px; margin: 0 auto; padding: 24px 16px 60px; }

h1 { color: var(--brand-primary-dark); margin-bottom: 8px; }

/* ---------- Pestañas ---------- */
.tabs { display: flex; gap: 8px; margin: 16px 0; flex-wrap: wrap; }
.tab {
    display: inline-block;
    padding: 8px 16px;
    background: #e5e7eb;
    color: var(--text);
    border-radius: 6px 6px 0 0;
    font-weight: 600;
    cursor: pointer;
}
.tab.active { background: var(--panel-bg); border-bottom: 3px solid var(--brand-accent); color: var(--brand-primary-dark); }

/* ---------- Paneles / tarjetas ---------- */
.panel {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
}
.panel h2 { margin-top: 0; color: var(--brand-primary-dark); font-size: 1.1rem; }
.hint { color: var(--text-muted); font-size: .9rem; }

/* ---------- Tablas de resultados ---------- */
.results-table, .account-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}
.results-table th, .results-table td,
.account-table th, .account-table td {
    border: 1px solid var(--border);
    padding: 10px 12px;
    text-align: left;
    font-size: .92rem;
}
.results-table thead { background: #eef2f2; }
.results-table small { color: var(--text-muted); font-weight: normal; }
.row-link { cursor: pointer; }
.row-link:hover { background: #f0fdfa; }
.account-table th { width: 200px; background: #eef2f2; }

/* ---------- Login: barra superior + banner con textura propia + tarjeta ---------- */
.login-body {
    margin: 0;
    background: var(--bg);
    min-height: 100vh;
}

/* Barra superior oscura, estilo "sitio institucional" */
.site-topbar {
    background: #1f2937;
    color: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
    font-size: .85rem;
    flex-wrap: wrap;
    gap: 8px;
}
.site-topbar .site-topbar-left a { color: #f3f4f6; font-weight: 600; }
.site-topbar-right a { color: #d1d5db; margin-left: 18px; }
.site-topbar-right a:hover, .site-topbar-left a:hover { color: #fff; text-decoration: underline; }

/* Banner con imagen propia (assets/hero-bg.jpg, ilustración original
   generada para este proyecto — no es una fotografía de terceros) */
.banner-libro1 {
    position: relative;
    height: 170px;
    overflow: hidden;
    background-color: var(--brand-primary-dark);
    background-image:
        linear-gradient(120deg, rgba(11,90,84,.55) 0%, rgba(15,118,110,.35) 55%, rgba(249,115,22,.30) 100%),
        url('../assets/banner-libro1.jpg');
    background-size: cover;
    background-position: top center;
}
.banner-libro1-small { height: 130px; }
.banner-libro1-small .hero-brand { font-size: 1.5rem; }
.banner-libro1-inner {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 24px;
}
.banner-brand { color: #fff; font-size: 2rem; font-weight: 800; letter-spacing: 1px; text-shadow: 0 2px 6px rgba(0,0,0,.35); }

.login-page-content { max-width: 1000px; margin: 0 auto; padding: 32px 24px 60px; }
.welcome-heading { color: var(--text-muted); font-size: 1rem; margin: 0 0 2px; }
.welcome-heading strong { display: block; color: var(--brand-primary-dark); font-size: 1.6rem; margin-top: 2px; }

.login-wrapper { width: 100%; max-width: 340px; margin-top: 24px; }
.login-card { background: var(--panel-bg); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,.12); border: 1px solid var(--border); }
.login-card-header { background: var(--brand-primary-dark); color: #fff; padding: 14px 20px; font-weight: 700; letter-spacing: .5px; }
.login-form { padding: 20px; display: flex; flex-direction: column; }
.login-form label { font-size: .9rem; margin: 10px 0 4px; font-weight: 600; }
.login-form input {
    padding: 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 1rem;
}
.login-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; flex-wrap: wrap; gap: 10px; }
.forgot-link { font-size: .85rem; }
.help-tip {
    display: inline-block; width: 16px; height: 16px; line-height: 16px; text-align: center;
    border-radius: 50%; background: #d1d5db; color: #374151; font-size: .7rem; cursor: help;
}
.alert-error { background: #fee2e2; color: var(--error); padding: 10px 14px; margin: 16px 16px 0; border-radius: 6px; font-size: .9rem; }
.alert-success { background: #dcfce7; color: var(--success); padding: 10px 14px; margin: 16px; border-radius: 6px; font-size: .9rem; }

/* ---------- Botones ---------- */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    font-size: .95rem;
}
.btn-primary { background: var(--brand-accent); color: #fff; }
.btn-primary:hover { background: #ea670c; text-decoration: none; }
.btn-secondary { background: #e5e7eb; color: var(--text); }
.btn-secondary:hover { background: #d1d5db; text-decoration: none; }

/* ---------- Detalle de examen ---------- */
.back-link { display: inline-block; margin-bottom: 12px; }
.detail-summary { background: #eef2f2; border-radius: 8px; padding: 16px 20px; margin-bottom: 16px; }
.detail-summary-title { font-size: 1.2rem; font-weight: 700; color: var(--brand-primary-dark); }
.detail-summary-sub { color: var(--text-muted); margin-top: 4px; }
.detail-actions { margin-top: 20px; display: flex; gap: 12px; }

/* ---------- Certificado ---------- */
.certificate-body { background: #e5e7eb; padding: 30px 16px; }
.certificate-toolbar { max-width: 800px; margin: 0 auto 16px; display: flex; justify-content: space-between; }
.certificate {
    position: relative;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border: 2px solid var(--brand-primary);
    border-radius: 10px;
    padding: 40px 50px;
}
/* Marca de agua propia: un patrón geométrico discreto, no un logotipo de terceros */
.certificate-watermark {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: .05;
    background-image: repeating-linear-gradient(45deg, var(--brand-primary) 0 2px, transparent 2px 42px);
}
.certificate-inner { position: relative; z-index: 1; }

.certificate-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    text-align: left;
    border-bottom: 3px solid var(--brand-accent);
    padding-bottom: 16px;
    margin-bottom: 24px;
}
.certificate-logo { flex-shrink: 0; line-height: 0; }
.certificate-brand { font-size: 1.8rem; font-weight: 800; color: var(--brand-primary-dark); letter-spacing: 1px; }
.certificate-subtitle { color: var(--text-muted); margin-top: 2px; }
.certificate-intro { text-align: center; color: var(--text-muted); }
.certificate-name { text-align: center; color: var(--brand-primary-dark); font-size: 1.8rem; margin: 8px 0 16px; }
/* ---------- Bloque de identidad / verificación del titular ---------- */
.certificate-identity {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: #f8fafa;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 20px;
    margin: 20px 0;
}
.certificate-photo {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    background: #eef2f2;
    display: flex;
    align-items: center;
    justify-content: center;
}
.certificate-photo img { width: 100%; height: 100%; object-fit: cover; }
.certificate-identity-table { flex: 1; border-collapse: collapse; font-size: .88rem; }
.certificate-identity-table th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    padding: 3px 14px 3px 0;
    white-space: nowrap;
    vertical-align: top;
}
.certificate-identity-table td { text-align: left; padding: 3px 0; color: var(--text); }

/* ---------- Panel de nivel general (puntaje + escalera CEFR) ---------- */
.certificate-level-overview {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    background: #f8fafa;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 20px;
    margin: 20px 0;
}
.certificate-score-big { flex-shrink: 0; text-align: center; }
.certificate-score-num { display: block; font-size: 2.1rem; font-weight: 800; color: var(--brand-primary-dark); line-height: 1; }
.certificate-score-label { font-size: .68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; line-height: 1.2; }
.certificate-level-meter { display: flex; gap: 6px; flex: 1; min-width: 220px; }
.level-step {
    flex: 1;
    text-align: center;
    padding: 8px 4px;
    border-radius: 6px;
    background: #e5e7eb;
    color: var(--text-muted);
    font-weight: 700;
    font-size: .82rem;
}
.level-step-active { background: var(--brand-primary); color: #fff; }
.level-step-current { background: var(--brand-accent); color: #fff; box-shadow: 0 0 0 3px rgba(249, 115, 22, .25); }

/* Mini barra de progreso bajo cada puntaje de módulo */
.module-bar { margin-top: 4px; height: 5px; background: #e5e7eb; border-radius: 3px; overflow: hidden; }
.module-bar-fill { height: 100%; background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent)); border-radius: 3px; }

.certificate-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.certificate-table th, .certificate-table td { border: 1px solid var(--border); padding: 10px 14px; text-align: center; }
.certificate-table thead { background: #eef2f2; }
.certificate-table td:nth-child(4) { color: var(--text-muted); font-size: .85rem; }
.certificate-average { font-weight: 700; background: #fff7ed; }
.certificate-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-muted);
    font-size: .85rem;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.certificate-verify { display: flex; align-items: center; gap: 12px; }
.certificate-qr { flex-shrink: 0; line-height: 0; border: 1px solid var(--border); border-radius: 4px; padding: 4px; }
.certificate-code { font-weight: 700; color: var(--brand-primary-dark); font-size: 1rem; letter-spacing: .5px; }
.certificate-signoff { text-align: right; }
.certificate-signature { font-weight: 700; color: var(--brand-primary-dark); margin-bottom: 2px; }

@media print {
    .no-print { display: none !important; }
    .certificate-body { background: #fff; padding: 0; }
    .certificate { border: none; box-shadow: none; }
}
header, .header, .topbar {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 10px 20px;
  box-sizing: border-box;
}

header h1, .header h1, .topbar h1,
header a, .header a, .topbar a,
header span, .header span, .topbar span {
  color: #222;
  font-size: 24px;
  line-height: 1.2;
}

@media (max-width: 768px) {
  header, .header, .topbar {
    padding: 8px 12px;
  }

  header h1, .header h1, .topbar h1,
  header a, .header a, .topbar a,
  header span, .header span, .topbar span {
    font-size: 18px;
  }
}
header, .header, .topbar {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 10px 20px;
  box-sizing: border-box;
}

header h1, .header h1, .topbar h1,
header a, .header a, .topbar a,
header span, .header span, .topbar span {
  color: #222;
  font-size: 24px;
  line-height: 1.2;
}

@media (max-width: 768px) {
  header, .header, .topbar {
    padding: 8px 12px;
  }

  header h1, .header h1, .topbar h1,
  header a, .header a, .topbar a,
  header span, .header span, .topbar span {
    font-size: 18px;
  }
}