:root {
  --blue: #003579;
  --blue-dark: #06234c;
  --ink: #101828;
  --muted: #5b6678;
  --line: #dfe6ef;
  --soft: #f5f7fb;
  --white: #ffffff;
  --green: #10b981;
  --gold: #f2b705;
  --red: #d92d20;
  --shadow: 0 18px 48px rgba(16, 24, 40, .12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, #eef4fb 0%, var(--soft) 42%, #ffffff 100%);
}

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

.login-page {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(0, 53, 121, .95), rgba(6, 35, 76, .86)),
    url("../../assets/img/site/historia-generadores-taller.jpg") center / cover;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 520px) 1fr;
}

.login-card {
  background: var(--white);
  padding: clamp(28px, 5vw, 58px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-brand img {
  width: min(320px, 86%);
  height: auto;
  margin-bottom: 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 4.1rem);
  line-height: 1;
  letter-spacing: 0;
}

.login-copy {
  margin: 18px 0 30px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-form label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-weight: 800;
}

.login-form input {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font: inherit;
  outline: none;
  background: #fbfcfe;
}

.login-form input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(0, 53, 121, .1);
}

.login-form button {
  min-height: 54px;
  border: 0;
  border-radius: 8px;
  background: var(--blue);
  color: var(--white);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.login-form button:hover { background: var(--blue-dark); }

.alert {
  margin-bottom: 18px;
  border: 1px solid #fecdca;
  background: #fff1f0;
  color: var(--red);
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 800;
}

.login-visual {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: clamp(32px, 6vw, 76px);
  color: var(--white);
}

.login-visual div {
  max-width: 720px;
}

.login-visual span {
  display: block;
  margin-bottom: 14px;
  color: #b7d4ff;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.login-visual strong {
  display: block;
  font-size: clamp(2.5rem, 5vw, 5.8rem);
  line-height: .98;
}

.admin-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px min(32px, 5vw);
  background: rgba(255, 255, 255, .95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.admin-brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-weight: 950;
  color: var(--blue);
}

.admin-brand img {
  width: min(260px, 50vw);
  max-height: 54px;
  object-fit: contain;
}

.admin-brand span {
  border-left: 1px solid var(--line);
  padding-left: 16px;
  letter-spacing: .08em;
}

.admin-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.admin-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.admin-nav .logout {
  border-color: transparent;
  background: var(--ink);
  color: var(--white);
}

main {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 64px;
}

.dashboard-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  margin: 34px 0 28px;
  padding: 34px;
  border: 1px solid rgba(0, 53, 121, .12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 53, 121, .95), rgba(6, 35, 76, .92)),
    url("../../assets/img/site/historia-generadores-taller.jpg") center / cover;
  box-shadow: var(--shadow);
}

.dashboard-hero h1 {
  max-width: 780px;
  color: var(--white);
}

.dashboard-hero p:not(.eyebrow) {
  max-width: 780px;
  color: #d9e8fb;
  font-size: 1.08rem;
  line-height: 1.55;
}

.dashboard-hero .eyebrow {
  color: var(--gold);
}

.session-box {
  min-width: 220px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  background: rgba(255, 255, 255, .1);
  padding: 18px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .16);
  backdrop-filter: blur(10px);
}

.session-box span {
  display: block;
  color: #b7d4ff;
  font-weight: 800;
  font-size: .86rem;
}

.session-box strong {
  display: block;
  margin-top: 4px;
  color: var(--white);
  font-size: 1.2rem;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.system-card {
  position: relative;
  min-height: 295px;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(0, 53, 121, .11);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(248, 251, 255, .98));
  padding: 24px;
  box-shadow: 0 12px 30px rgba(16, 24, 40, .07);
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.system-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 7px;
  background: var(--card-accent, var(--blue));
}

.system-card::after {
  content: "";
  position: absolute;
  right: -56px;
  top: -56px;
  width: 160px;
  height: 160px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--card-accent, var(--blue)) 16%, transparent);
  pointer-events: none;
}

.system-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 53, 121, .35);
  box-shadow: 0 24px 58px rgba(0, 53, 121, .16);
}

.system-card-people { --card-accent: #003579; }
.system-card-pat { --card-accent: #f2b705; }
.system-card-operations { --card-accent: #2563eb; }
.system-card-billing { --card-accent: #10b981; }
.system-card-academy { --card-accent: #0ea5e9; }
.system-card-monitoring { --card-accent: #111827; }
.system-card-management { --card-accent: #6366f1; }
.system-card-verification { --card-accent: #14b8a6; }
.system-card-simulators { --card-accent: #ef4444; }
.system-card-system { --card-accent: #475467; }

.system-top {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.system-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: color-mix(in srgb, var(--card-accent, var(--blue)) 13%, white);
  color: var(--card-accent, var(--blue));
  font-weight: 950;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--card-accent, var(--blue)) 22%, white);
}

.system-status {
  color: var(--green);
  background: #ecfdf3;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: .78rem;
  font-weight: 900;
}

.system-tag {
  position: relative;
  z-index: 1;
  color: var(--card-accent, var(--blue));
  font-size: .78rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.system-card h2 {
  position: relative;
  z-index: 1;
  margin: 8px 0 10px;
  font-size: 1.9rem;
  line-height: 1.05;
}

.system-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.system-action {
  position: relative;
  z-index: 1;
  margin-top: auto;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  padding: 12px 18px;
  border-radius: 8px;
  background: var(--blue);
  color: var(--white);
  font-weight: 950;
  box-shadow: 0 12px 24px rgba(0, 53, 121, .18);
}

.system-card:hover .system-action {
  background: var(--card-accent, var(--blue));
  color: #ffffff;
}

.system-card-pat .system-action {
  background: var(--gold);
  color: #101828;
}

@media (max-width: 980px) {
  .login-shell,
  .dashboard-hero {
    grid-template-columns: 1fr;
  }

  .login-visual {
    min-height: 280px;
    align-items: flex-start;
  }

  .system-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .login-shell {
    display: block;
  }

  .login-card {
    min-height: 100vh;
  }

  .login-visual {
    display: none;
  }

  .admin-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-nav {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .admin-nav a {
    justify-content: center;
  }

  .system-grid {
    grid-template-columns: 1fr;
  }

  .system-card {
    min-height: 230px;
  }
}