/* ===================================================================
   QTerminals – Microsoft OAuth Portal
   Theme matched to https://qterminals.com/
   =================================================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  --navy:        #1E224F;
  --blue:        #009CDE;
  --blue-dark:   #0080B8;
  --purple:      #4A1E6D;
  --white:       #FFFFFF;
  --off-white:   #F5F7FA;
  --light-gray:  #E8EDF2;
  --body-text:   #333333;
  --muted:       #6B7A8D;
  --danger:      #E74C3C;
  --success:     #27AE60;

  --gradient-nav: linear-gradient(135deg, #4A1E6D 0%, #1E224F 40%, #009CDE 100%);
  --gradient-hero: linear-gradient(160deg, rgba(30,34,79,0.92) 0%, rgba(0,156,222,0.80) 100%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(245,247,250,0.90));

  --font:        'Montserrat', 'Segoe UI', sans-serif;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 8px 32px rgba(30,34,79,0.12);
  --shadow-lg:   0 16px 48px rgba(30,34,79,0.18);
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--body-text);
  background: var(--off-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-dark); }

img { max-width: 100%; height: auto; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hidden { display: none !important; }

.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--navy);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
}

/* ---------- Top Bar (social strip) ---------- */
.top-bar {
  background: var(--gradient-nav);
  padding: 8px 0;
}

.top-bar__inner {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
}

.top-bar__link {
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  transition: color var(--transition);
}
.top-bar__link:hover { color: var(--white); }

.top-bar__link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  vertical-align: middle;
}

/* ---------- Main Nav ---------- */
.main-nav {
  background: var(--white);
  border-bottom: 3px solid var(--blue);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(30,34,79,0.06);
}

.main-nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.main-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.main-nav__logo img {
  height: 42px;
}

.main-nav__logo-text {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: 2px;
  background: var(--gradient-nav);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav__logo-text .q-wave {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 4px;
  color: var(--blue);
  -webkit-text-fill-color: var(--blue);
}

.main-nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav__links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 0;
  position: relative;
  transition: color var(--transition);
}

.main-nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width var(--transition);
}

.main-nav__links a:hover { color: var(--blue); }
.main-nav__links a:hover::after { width: 100%; }

.main-nav__links a.active {
  color: var(--blue);
}
.main-nav__links a.active::after { width: 100%; }

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--navy);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('https://qterminals.com/wp-content/uploads/2019/04/QTerminals-Banner_1920x650.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.6);
  animation: slowZoom 30s ease-in-out infinite alternate;
}

@keyframes slowZoom {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 40px 24px;
  max-width: 720px;
}

.hero__tagline {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 8px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

.hero__tagline-accent {
  display: block;
  width: 50px;
  height: 3px;
  background: var(--blue);
  margin: 16px auto 20px;
  border-radius: 2px;
}

.hero__subtitle {
  font-size: 1.15rem;
  font-weight: 400;
  opacity: 0.92;
  line-height: 1.6;
  margin-bottom: 32px;
}

/* ---------- Login Card (glass) ---------- */
.login-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: var(--radius);
  padding: 40px 36px;
  max-width: 440px;
  margin: 0 auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  animation: fadeUp 0.8s ease-out;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  text-align: center;
}

.login-card__desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.78);
  text-align: center;
  margin-bottom: 28px;
  line-height: 1.5;
}

.login-card__divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.login-card__divider::before,
.login-card__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.2);
}

/* ---------- Microsoft Sign-In Button ---------- */
.btn-microsoft {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 14px 24px;
  background: var(--white);
  color: var(--navy);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  position: relative;
  overflow: hidden;
}

.btn-microsoft::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,156,222,0.08), rgba(74,30,109,0.08));
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-microsoft:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.btn-microsoft:hover::before { opacity: 1; }

.btn-microsoft:active {
  transform: translateY(0);
}

.btn-microsoft svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ---------- Feature Cards (below hero) ---------- */
.features {
  padding: 80px 0;
  background: var(--white);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.feature-card {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-nav);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--light-gray);
}
.feature-card:hover::before { transform: scaleX(1); }

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--white);
  font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(0,156,222,0.25);
}

.feature-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.feature-card__desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- Dashboard Section ---------- */
.dashboard {
  padding: 60px 0 80px;
  background: var(--off-white);
  flex: 1;
}

.dashboard__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.dashboard__user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.dashboard__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-nav);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(30,34,79,0.15);
}

.dashboard__greeting {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
}

.dashboard__email-label {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 2px;
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-logout:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(231,76,60,0.05);
}

/* Stats row */
.dashboard__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(30,34,79,0.06);
  transition: all var(--transition);
  border: 1px solid var(--light-gray);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-card__number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card__label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* Email list */
.email-panel {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(30,34,79,0.06);
  border: 1px solid var(--light-gray);
  overflow: hidden;
}

.email-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--light-gray);
  background: var(--off-white);
}

.email-panel__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.email-panel__badge {
  background: var(--blue);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}

.email-list {
  list-style: none;
}

.email-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--light-gray);
  transition: background var(--transition);
  cursor: pointer;
}

.email-item:last-child { border-bottom: none; }

.email-item:hover {
  background: rgba(0,156,222,0.04);
}

.email-item.unread {
  background: rgba(0,156,222,0.06);
}

.email-item.unread .email-item__subject {
  font-weight: 700;
  color: var(--navy);
}

.email-item__indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
  margin-top: 7px;
}

.email-item:not(.unread) .email-item__indicator {
  background: transparent;
}

.email-item__content {
  flex: 1;
  min-width: 0;
}

.email-item__from {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 3px;
}

.email-item__subject {
  font-size: 0.88rem;
  color: var(--body-text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-item__preview {
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-item__time {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Empty state */
.email-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--muted);
}

.email-empty__icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

/* Loading spinner */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  color: var(--muted);
  gap: 16px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--light-gray);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 40px 0;
  margin-top: auto;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--white);
}

.footer__copy {
  font-size: 0.82rem;
  opacity: 0.7;
}

.footer__links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer__links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }

/* ---------- Alert / Status messages ---------- */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert--error {
  background: rgba(231,76,60,0.08);
  color: var(--danger);
  border: 1px solid rgba(231,76,60,0.2);
}

.alert--success {
  background: rgba(39,174,96,0.08);
  color: var(--success);
  border: 1px solid rgba(39,174,96,0.2);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard__stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav__links { display: none; }
  .nav-toggle { display: block; }

  .main-nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    border-top: 2px solid var(--blue);
    z-index: 99;
  }

  .hero__tagline { font-size: 2rem; }
  .hero { min-height: 420px; }

  .features__grid { grid-template-columns: 1fr; }
  .dashboard__stats { grid-template-columns: 1fr 1fr; }

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

@media (max-width: 480px) {
  .hero__tagline { font-size: 1.6rem; }
  .login-card { padding: 28px 20px; }
  .dashboard__stats { grid-template-columns: 1fr; }
}