/* ── Design Tokens ─────────────────────────────────────────────────── */
:root {
  --navy:          #0A0F1C;
  --navy-mid:      #1A2744;
  --navy-light:    #243356;
  --accent:        #5891ff;
  --accent-light:  #a3bfff;
  --accent-glow:   rgba(88, 145, 255, 0.25);
  --glass:         rgba(255, 255, 255, 0.06);
  --glass-hover:   rgba(255, 255, 255, 0.09);
  --glass-border:  rgba(255, 255, 255, 0.12);
  --text:          #e8edf8;
  --text-muted:    #8b9ec7;
  --text-dim:      #4a5980;
  --border-dim:    rgba(255, 255, 255, 0.07);
}

/* ── Base Reset ────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow-x: hidden;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--text);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
}

body {
  background-color: transparent !important;
}

/* ── Aurora Background ─────────────────────────────────────────────── */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  will-change: transform;
}

/* Blue orb — top-left, primary accent */
.aurora-orb-1 {
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle at center, rgba(56, 100, 220, 0.55) 0%, transparent 70%);
  top: -20vw;
  left: -10vw;
  animation: aurora-drift-1 28s ease-in-out infinite alternate;
}

/* Indigo/violet orb — bottom-right, depth layer */
.aurora-orb-2 {
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle at center, rgba(79, 58, 180, 0.45) 0%, transparent 70%);
  bottom: -15vw;
  right: -10vw;
  animation: aurora-drift-2 35s ease-in-out infinite alternate;
}

/* Teal orb — mid-screen, subtle accent */
.aurora-orb-3 {
  width: 35vw;
  height: 35vw;
  background: radial-gradient(circle at center, rgba(14, 116, 144, 0.35) 0%, transparent 70%);
  top: 45%;
  left: 55%;
  animation: aurora-drift-3 22s ease-in-out infinite alternate;
}

@keyframes aurora-drift-1 {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(6vw, 4vh) scale(1.08); }
  66%  { transform: translate(2vw, 10vh) scale(0.96); }
  100% { transform: translate(8vw, 6vh) scale(1.04); }
}

@keyframes aurora-drift-2 {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(-8vw, -5vh) scale(1.1); }
  66%  { transform: translate(-4vw, -10vh) scale(0.94); }
  100% { transform: translate(-6vw, -3vh) scale(1.06); }
}

@keyframes aurora-drift-3 {
  0%   { transform: translate(-50%, -50%) scale(1); }
  50%  { transform: translate(-45%, -55%) scale(1.12); }
  100% { transform: translate(-52%, -46%) scale(0.95); }
}

/* ── Layout Shell ──────────────────────────────────────────────────── */
.cover-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Glassmorphism Utilities ───────────────────────────────────────── */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

.glass-card-solid {
  background: rgba(10, 15, 28, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

/* ── Header ────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 2rem 1.75rem 0.4rem;
  /* No background — bleeds into the aurora */
}

.site-header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.header-slot { display: flex; align-items: center; }
.header-slot-left  { justify-content: flex-start; }
.header-slot-center { justify-content: center; }
.header-slot-right { justify-content: flex-end; gap: 0.5rem; }

.logo {
  max-width: 100px;
  height: auto;
  display: block;
  border-radius: 8px;
  /* Subtle drop shadow so the logo reads on the dark aurora */
  filter: drop-shadow(0 2px 12px rgba(88, 145, 255, 0.25));
  transition: filter 0.25s;
}
.logo:hover {
  filter: drop-shadow(0 2px 20px rgba(88, 145, 255, 0.5));
}

/* Glass nav button — used for Login, Dashboard, Logout */
.btn-glass-nav {
  display: inline-flex;
  align-items: center;
  padding: 0.45em 1.25em;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  text-decoration: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.btn-glass-nav:hover {
  background: rgba(88, 145, 255, 0.15);
  border-color: rgba(88, 145, 255, 0.5);
  color: #fff;
  box-shadow: 0 0 18px rgba(88, 145, 255, 0.2);
}

.btn-glass-nav--muted {
  opacity: 0.65;
}
.btn-glass-nav--muted:hover {
  opacity: 1;
}

.nav-back {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 0.2s;
}
.nav-back:hover {
  color: var(--text);
}

/* ── Hero ──────────────────────────────────────────────────────────── */
.hero-section {
  padding: 3.5rem 1.5rem 2rem;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  padding: 0.3em 0.9em;
  border: 1px solid rgba(88, 145, 255, 0.3);
  border-radius: 999px;
  background: rgba(88, 145, 255, 0.08);
}

.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.15;
}

.hero-title span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* ── Search Card ───────────────────────────────────────────────────── */
.search-section {
  padding: 0 1.5rem 2rem;
}

.search-card {
  padding: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.search-card-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-dim);
}

.field-group {
  position: relative;
}

.field-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.field-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.6em 0.9em;
  font-size: 0.88rem;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  outline: none;
}
.field-input::-moz-placeholder {
  color: var(--text-dim);
}
.field-input::placeholder {
  color: var(--text-dim);
}
.field-input:hover {
  background: rgba(255, 255, 255, 0.06);
}
.field-input:focus {
  border-color: var(--accent);
  background: rgba(88, 145, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(88, 145, 255, 0.15);
}

.field-select {
  -moz-appearance: none;
       appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b9ec7' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.2em;
  cursor: pointer;
}
.field-select option {
  background: var(--navy-mid);
  color: var(--text);
}

/* ── Results / DataTable ───────────────────────────────────────────── */
.results-section {
  padding: 0 1.5rem 3rem;
}

.results-card {
  padding: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.results-card-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-dim);
}

.dataTables_wrapper {
  color: var(--text);
  font-size: 0.88rem;
}

.dataTables_length label,
.dataTables_filter label {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.dataTables_length select,
.dataTables_filter input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.3em 0.6em;
  font-size: 0.8rem;
}
.dataTables_filter input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 2px rgba(88, 145, 255, 0.15);
}

#ships-dataTable {
  border-collapse: separate;
  border-spacing: 0;
}
#ships-dataTable thead tr {
  background: rgba(88, 145, 255, 0.08);
  border-bottom: 1px solid rgba(88, 145, 255, 0.25);
}
#ships-dataTable thead th {
  color: var(--accent-light);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9em 0.75em;
  border: none;
}

#ships-dataTable.table-striped > tbody > tr:nth-of-type(odd) > * {
  background: rgba(255, 255, 255, 0.025);
  --bs-table-accent-bg: transparent;
}
#ships-dataTable > tbody > tr > td {
  padding: 0.75em;
  font-size: 0.85rem;
  color: var(--text);
  border-bottom: 1px solid var(--border-dim);
  border-top: none;
  vertical-align: middle;
}
#ships-dataTable > tbody > tr {
  transition: background 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
#ships-dataTable > tbody > tr:hover > td {
  background: rgba(88, 145, 255, 0.1) !important;
  box-shadow: inset 3px 0 0 var(--accent);
}

.dataTables_paginate .page-link {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: background 0.15s, border-color 0.15s;
}
.dataTables_paginate .page-link:hover {
  background: var(--glass-hover);
  color: var(--text);
  border-color: var(--accent);
}
.dataTables_paginate .page-item.active .page-link {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 12px var(--accent-glow);
}
.dataTables_paginate .page-item.disabled .page-link {
  background: transparent;
  color: var(--text-dim);
}

.dataTables_info {
  color: var(--text-muted);
  font-size: 0.78rem;
}
.dataTables_processing {
  background: rgba(10, 15, 28, 0.9);
  border: 1px solid var(--glass-border);
  color: var(--accent-light);
  border-radius: 8px;
}

/* ── Auth (Login) ──────────────────────────────────────────────────── */
.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 2rem 1rem;
}

.auth-main {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem 2.25rem 2rem;
  text-align: center;
}

.auth-logo-wrap {
  margin-bottom: 1.5rem;
}

.auth-logo {
  width: 80px;
  height: auto;
  border-radius: 10px;
  filter: drop-shadow(0 2px 14px rgba(88, 145, 255, 0.3));
}

.auth-eyebrow {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.auth-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
  line-height: 1.2;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  text-align: left;
}

.field-input--error {
  border-color: rgba(239, 68, 68, 0.6) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12) !important;
}

.field-error {
  display: block;
  font-size: 0.75rem;
  color: #f87171;
  margin-top: 0.3rem;
}

.auth-remember {
  display: flex;
  align-items: center;
}

.remember-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}

.remember-checkbox {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
}

.btn-auth-submit {
  width: 100%;
  padding: 0.75em 1em;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  box-shadow: 0 4px 20px rgba(88, 145, 255, 0.35);
}
.btn-auth-submit:hover {
  background: #3a72e8;
  box-shadow: 0 4px 28px rgba(88, 145, 255, 0.5);
  transform: translateY(-1px);
}
.btn-auth-submit:active {
  transform: translateY(0);
}

.auth-copy {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 2rem;
  margin-bottom: 0;
}

/* ── Footer ────────────────────────────────────────────────────────── */
.site-footer {
  margin-top: auto;
  padding: 1.5rem;
  border-top: 1px solid var(--border-dim);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.site-footer a:hover {
  color: var(--accent-light);
}