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

:root {
  --color-primary: #1a3a5c;
  --color-accent: #e8401c;
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-text: #1a2433;
  --color-muted: #6b7a8d;
  --color-border: #dde2ea;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

/* Login */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 360px;
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-text {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: .05em;
}

.logo-sub {
  font-size: 1rem;
  color: var(--color-muted);
  margin-left: .4rem;
  font-weight: 400;
}

.alert {
  background: #fde8e4;
  color: var(--color-accent);
  border-radius: var(--radius);
  padding: .7rem 1rem;
  margin-bottom: 1.2rem;
  font-size: .9rem;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--color-text);
}

.field input {
  width: 100%;
  padding: .6rem .8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  outline: none;
  transition: border-color .15s;
}

.field input:focus {
  border-color: var(--color-primary);
}

button[type="submit"] {
  width: 100%;
  margin-top: .5rem;
  padding: .75rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}

button[type="submit"]:hover {
  background: #234e7a;
}

/* Topbar */
.topbar {
  background: var(--color-primary);
  color: #fff;
  padding: 0 1.5rem;
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.topbar .logo-text { font-size: 1.3rem; color: #fff; }
.topbar .logo-sub { color: rgba(255,255,255,.6); font-size: .85rem; }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .9rem;
}

.btn-logout {
  color: rgba(255,255,255,.8);
  text-decoration: none;
  font-size: .85rem;
  border: 1px solid rgba(255,255,255,.3);
  padding: .3rem .75rem;
  border-radius: var(--radius);
  transition: background .15s;
}

.btn-logout:hover {
  background: rgba(255,255,255,.1);
}

/* Main */
.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.main h1 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s;
  display: block;
}

.module-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
}

.module-card--inactive {
  opacity: .55;
  cursor: default;
}

.module-card--inactive:hover {
  transform: none;
  box-shadow: var(--shadow);
}

.module-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .4rem;
  color: var(--color-primary);
}

.module-desc {
  font-size: .88rem;
  color: var(--color-muted);
}

.module-badge {
  display: inline-block;
  margin-top: .6rem;
  font-size: .75rem;
  background: var(--color-border);
  color: var(--color-muted);
  padding: .2rem .6rem;
  border-radius: 99px;
}