:root {
  --z-ink: #0b1f2a;
  --z-sea: #0e7490;
  --z-foam: #ecfeff;
  --z-sand: #f8fafc;
  --z-mist: rgba(255, 255, 255, 0.82);
  --z-font-display: "Fraunces", Georgia, serif;
  --z-font-body: "Sora", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--z-font-body);
  color: var(--z-ink);
  background: var(--z-sand);
}

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

.z-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.z-nav {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
}

.z-brand {
  font-family: var(--z-font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.z-nav-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.z-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.25rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.z-btn:hover {
  transform: translateY(-1px);
}

.z-btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.z-btn-solid {
  background: #fff;
  color: var(--z-ink);
  box-shadow: 0 10px 30px rgba(11, 31, 42, 0.18);
}

.z-btn-primary {
  background: var(--z-sea);
  color: #fff;
  width: 100%;
}

.z-hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: end stretch;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(11, 31, 42, 0.35) 0%, rgba(11, 31, 42, 0.72) 100%),
    url("/frontend/img/bgnew.webp") center / cover no-repeat;
}

.z-hero-inner {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto 12vh;
  text-align: center;
  color: #fff;
}

.z-hero-inner h1 {
  margin: 0;
  font-family: var(--z-font-display);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 600;
}

.z-hero-inner p {
  margin: 1rem auto 0;
  max-width: 34rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
}

.z-search {
  margin: 2rem auto 0;
  width: min(720px, 100%);
  background: var(--z-mist);
  color: var(--z-ink);
  border-radius: 1.25rem;
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px rgba(11, 31, 42, 0.28);
}

.z-search-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.z-field {
  text-align: left;
}

.z-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 0.35rem;
}

.z-field input:not(.z-pin-cell),
.z-field select {
  width: 100%;
  border: 1px solid #dbe3ea;
  border-radius: 0.85rem;
  padding: 0.85rem 0.95rem;
  font: inherit;
  background: #fff;
}

.z-section {
  padding: 4.5rem clamp(1.25rem, 4vw, 3rem);
  max-width: 1100px;
  margin: 0 auto;
}

.z-section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--z-font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.03em;
}

.z-section p {
  margin: 0;
  color: #475569;
  max-width: 36rem;
  line-height: 1.6;
}

.z-footer {
  margin-top: auto;
  padding: 2rem clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid #e2e8f0;
  color: #64748b;
  font-size: 0.9rem;
}

.z-login-page {
  --z-login-ink: #0b1f2a;
  --z-login-teal: #0f766e;
  --z-login-teal-deep: #0d5c58;
  --z-login-mist: #e8f4f3;
  --z-login-line: #d5e3e2;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 4vh, 2.5rem) 1rem;
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(20, 184, 166, 0.22), transparent 55%),
    radial-gradient(circle at 85% 90%, rgba(13, 42, 77, 0.08), transparent 40%),
    linear-gradient(165deg, #f4faf9 0%, #e7f2f4 42%, #dfeaf1 100%);
}

.z-login-card {
  width: min(380px, 100%);
  background: #fff;
  border: 1px solid rgba(13, 42, 77, 0.08);
  border-radius: 1.35rem;
  padding: 1.75rem 1.4rem 1.35rem;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 18px 40px rgba(11, 31, 42, 0.1);
  animation: z-login-in 0.45s ease both;
}

@keyframes z-login-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .z-login-card {
    animation: none;
  }
}

.z-login-head {
  text-align: center;
  margin-bottom: 1.35rem;
}

.z-login-card .z-brand {
  display: block;
  text-align: center;
  color: var(--z-login-ink);
  text-shadow: none;
  margin-bottom: 0;
}

.z-login-card .z-brand-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.z-login-card .z-brand-logo img {
  display: block;
  width: 4.25rem;
  height: auto;
}

.z-login-card h1 {
  margin: 0;
  text-align: center;
  font-family: var(--z-font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--z-login-ink);
  line-height: 1.2;
}

.z-login-card .subtitle {
  margin: 0.35rem 0 0;
  text-align: center;
  color: #64748b;
  font-size: 0.875rem;
  line-height: 1.4;
}

.z-login-form .z-field {
  margin-bottom: 0.85rem;
}

.z-login-card .z-field input:not(.z-pin-cell) {
  border-radius: 0.7rem;
  border-color: var(--z-login-line);
  background: #f8fbfb;
  padding: 1.4rem 0.9rem;
  color: var(--z-login-ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.z-login-card .z-field input:not(.z-pin-cell):hover {
  border-color: #b9cdc9;
}

.z-login-card .z-field input:not(.z-pin-cell):focus {
  outline: none;
  border-color: var(--z-login-teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.16);
}

.z-login-card .z-input-code {
  width: 100%;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.z-pin-input {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.z-login-card .z-pin-input .z-pin-cell {
  box-sizing: border-box;
  display: block;
  width: 4rem;
  min-width: 4rem;
  max-width: 4rem;
  height: 4rem;
  flex: 0 0 4rem;
  padding: 0;
  margin: 0;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0;
  border: 1px solid var(--z-login-line);
  border-radius: 0.7rem;
  background: #f8fbfb;
  caret-color: var(--z-login-teal);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.z-login-card .z-pin-input .z-pin-cell:hover {
  border-color: #b9cdc9;
}

.z-login-card .z-pin-input .z-pin-cell:focus {
  outline: none;
  border-color: var(--z-login-teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.16);
}

.z-login-modes {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0 0 1.25rem;
}

.z-login-card .z-login-modes .z-btn {
  width: auto;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.z-login-card .z-login-modes .z-btn-ghost {
  background: #fff;
  color: var(--z-ink);
  border: 1px solid #cbd5e1;
  backdrop-filter: none;
}

.z-login-card .z-field {
  margin-bottom: 0.85rem;
}

.z-check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.1rem 0 1.1rem;
  color: #475569;
  font-size: 0.875rem;
  cursor: pointer;
  user-select: none;
}

.z-check input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--z-login-teal);
}

.z-login-card .z-btn-primary {
  background: linear-gradient(180deg, #12807a 0%, var(--z-login-teal-deep) 100%);
  box-shadow: 0 10px 22px rgba(13, 92, 88, 0.28);
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
}

.z-login-card .z-btn-primary:hover {
  background: linear-gradient(180deg, #159089 0%, #0f6a65 100%);
}

.z-alert {
  margin-bottom: 1rem;
  padding: 0.7rem 0.85rem;
  border-radius: 0.7rem;
  background: #fef2f2;
  color: #b91c1c;
  font-size: 0.875rem;
}

.z-alert-ok {
  background: #ecfdf5;
  color: #047857;
}

.z-alert-info {
  background: #eff6ff;
  color: #1d4ed8;
}

.z-login-meta {
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--z-login-mist);
  text-align: center;
  font-size: 0.84rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  align-items: center;
}

.z-login-meta a {
  color: var(--z-login-teal);
  font-weight: 600;
  transition: color 0.15s ease;
}

.z-login-meta a:hover {
  color: var(--z-login-teal-deep);
}

.z-login-meta .z-login-home {
  margin-top: 0.15rem;
  color: #64748b;
  font-weight: 500;
}

.z-login-meta .z-login-home:hover {
  color: var(--z-login-ink);
}

@media (max-width: 720px) {
  .z-search-row {
    grid-template-columns: 1fr;
  }

  .z-hero-inner {
    margin-bottom: 8vh;
  }
}