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

:root {
    --bg: #050a14;
    --surface: #0b1526;
    --surface2: #0f1d35;
    --border: rgba(100, 180, 255, 0.12);
    --border-glow: rgba(100, 180, 255, 0.3);
    --text: #e8f4ff;
    --muted: #6a8aaa;
    --accent: #38bdf8;
    --accent2: #818cf8;
    --danger: #f87171;
    --success: #34d399;
    --mono: 'Share Tech Mono', monospace;
    --sans: 'Outfit', sans-serif;
}

html,
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Starfield canvas */
#starfield {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.page {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
}

/* Header */
header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-left {}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--accent);
    border: 1px solid var(--border-glow);
    border-radius: 999px;
    padding: 4px 12px;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
    opacity: 1;
    transform: scale(1);
    }

    50% {
    opacity: 0.4;
    transform: scale(0.7);
    }
}

h1 {
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--text);
}

h1 span {
    color: var(--accent);
}

.subtitle {
    font-size: 0.875rem;
    color: var(--muted);
    margin-top: 0.4rem;
    font-weight: 300;
}

.timestamp {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--muted);
    text-align: right;
    line-height: 1.8;
}

.timestamp strong {
    color: var(--accent);
    font-weight: 400;
}

/* Stats grid */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--surface);
    padding: 1.25rem 1.5rem;
    position: relative;
    transition: background 0.2s;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color, var(--accent)), transparent);
    opacity: 0.6;
}

.stat-card:hover {
    background: var(--surface2);
}

.stat-label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-family: var(--mono);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--text);
    line-height: 1;
}

.stat-unit {
    font-size: 0.7rem;
    color: var(--muted);
    margin-left: 4px;
    font-family: var(--sans);
    font-weight: 300;
}

.stat-sub {
    font-size: 11px;
    color: var(--muted);
    margin-top: 0.35rem;
    font-family: var(--mono);
}

.stat-card.lat {
    --accent-color: var(--accent2);
}

.stat-card.vel {
    --accent-color: var(--success);
}

.stat-card.alt {
    --accent-color: var(--danger);
}

/* Map */
.map-wrapper {
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    margin-bottom: 1.5rem;
}

.map-header {
    background: var(--surface);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.map-title {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--muted);
    text-transform: uppercase;
}

.map-controls {
    display: flex;
    gap: 8px;
}

.map-btn {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

.map-btn:hover,
.map-btn.active {
    border-color: var(--accent);
    color: var(--accent);
}

#issMap {
    height: 420px;
}

/* Leaflet dark override */
.leaflet-container {
    background: #050a14 !important;
    font-family: var(--mono) !important;
}

.leaflet-tile-pane {
    filter: invert(1) hue-rotate(180deg) saturate(0.5) brightness(0.6);
}

.leaflet-control-zoom a {
    background: var(--surface) !important;
    color: var(--accent) !important;
    border-color: var(--border) !important;
}

.iss-icon {
    width: 40px;
    height: 40px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: spin-slow 8s linear infinite;
}

@keyframes spin-slow {
    from {
    transform: rotate(0deg);
    }

    to {
    transform: rotate(360deg);
    }
}

/* Orbit ring around icon */
.leaflet-marker-pane .iss-orbit-ring {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 1px solid rgba(56, 189, 248, 0.4);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbit-pulse 2s ease-in-out infinite;
}

@keyframes orbit-pulse {

    0%,
    100% {
    opacity: 0.4;
    transform: translate(-50%, -50%) scale(1);
    }

    50% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1.15);
    }
}

/* Footer */
footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.author {
    font-size: 12px;
    color: var(--muted);
}

.author strong {
    color: var(--text);
    font-weight: 400;
}

.data-source {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--muted);
}

/* Loading overlay */
#loading {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    transition: opacity 0.6s;
}

#loading.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader-ring {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    animation: spin 0.9s linear infinite;
}

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

.loader-text {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--muted);
    text-transform: uppercase;
}

/* Error state */
.error-banner {
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 13px;
    color: var(--danger);
    font-family: var(--mono);
    display: none;
    margin-bottom: 1rem;
}

.error-banner.show {
    display: block;
}

/* Responsive */
@media (max-width: 600px) {
    .stats {
    grid-template-columns: repeat(2, 1fr);
    }

    .stat-value {
    font-size: 1.4rem;
    }

    header {
    flex-direction: column;
    }

    .timestamp {
    text-align: left;
    }

    #issMap {
    height: 300px;
    }
}

/* Glitch 404 Effect */
.glitch-effect {
  font-family: ArchivoBlack, Whitney, Helvetica Neue, Helvetica, Arial,
    sans-serif;
  font-weight: 700;
  color: rgba(hsl(240, 5.9%, 96.7%), 0.3);
  font-size: 150px;
  position: relative;
  display: inline-block;
}

.glitch-effect:after,
.glitch-effect:before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ffffff;
}

.glitch-effect:before {
  left: 2px;
  text-shadow: -2px 0 hsl(236, 83.3%, 92.9%);
  text-shadow: -2px 0 hsl(236, calc(var(--saturation-factor, 1) * 83.3%), 92.9%);
  clip: rect(24px, 550px, 90px, 0);
  -webkit-animation: glitch-anim-2 4s linear infinite alternate-reverse;
  animation: glitch-anim-2 4s linear infinite alternate-reverse;
}

.glitch-effect:after {
  left: -2px;
  text-shadow: -2px 0 rgba(hsl(235, 85.6%, 64.7%), 0.3);
  text-shadow: -2px 0
    rgba(hsl(235, calc(var(--saturation-factor, 1) * 85.6%), 64.7%), 0.3);
  clip: rect(85px, 550px, 140px, 0);
  -webkit-animation: glitch-anim-1 2s linear infinite alternate-reverse;
  animation: glitch-anim-1 2s linear infinite alternate-reverse;
}

/* ── 404 layout ── */
.not-found {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
}

/* ── Glitch effect ── */
.glitch-effect {
    font-family: 'Share Tech Mono', monospace;
    font-weight: 700;
    color: #38bdf8;
    font-size: clamp(80px, 20vw, 160px);
    position: relative;
    display: inline-block;
    line-height: 1;
    margin: 0.25rem 0 0.5rem;
}

.glitch-effect:before,
.glitch-effect:after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg, #0a0e1a);
}

.glitch-effect:before {
    left: 3px;
    text-shadow: -2px 0 #38bdf8;
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 4s linear infinite alternate-reverse;
}

.glitch-effect:after {
    left: -3px;
    text-shadow: -2px 0 #38bdf8;
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim-1 2s linear infinite alternate-reverse;
}

@keyframes glitch-anim-1 {
    0%    { clip: rect(3px,  9999px, 86px,  0); }
    6.66% { clip: rect(27px, 9999px, 128px, 0); }
    13.33%{ clip: rect(35px, 9999px, 71px,  0); }
    20%   { clip: rect(10px, 9999px, 134px, 0); }
    26.66%{ clip: rect(23px, 9999px, 145px, 0); }
    33.33%{ clip: rect(40px, 9999px, 80px,  0); }
    40%   { clip: rect(33px, 9999px, 153px, 0); }
    46.66%{ clip: rect(50px, 9999px, 84px,  0); }
    53.33%{ clip: rect(57px, 9999px, 188px, 0); }
    60%   { clip: rect(79px, 9999px, 65px,  0); }
    66.66%{ clip: rect(21px, 9999px, 168px, 0); }
    73.33%{ clip: rect(62px, 9999px, 119px, 0); }
    80%   { clip: rect(4px,  9999px, 126px, 0); }
    86.66%{ clip: rect(10px, 9999px, 133px, 0); }
    93.33%{ clip: rect(51px, 9999px, 196px, 0); }
    to    { clip: rect(77px, 9999px, 73px,  0); }
}

@keyframes glitch-anim-2 {
    10.52%{ clip: rect(65px, 9999px, 200px, 0); }
    15.78%{ clip: rect(8px,  9999px, 200px, 0); }
    21.05%{ clip: rect(51px, 9999px, 159px, 0); }
    26.31%{ clip: rect(6px,  9999px, 82px,  0); }
    31.57%{ clip: rect(1px,  9999px, 106px, 0); }
    36.84%{ clip: rect(17px, 9999px, 69px,  0); }
    42.10%{ clip: rect(65px, 9999px, 144px, 0); }
    47.36%{ clip: rect(1px,  9999px, 91px,  0); }
    52.63%{ clip: rect(18px, 9999px, 209px, 0); }
    57.89%{ clip: rect(14px, 9999px, 175px, 0); }
    63.15%{ clip: rect(61px, 9999px, 107px, 0); }
    68.42%{ clip: rect(73px, 9999px, 178px, 0); }
    73.68%{ clip: rect(53px, 9999px, 207px, 0); }
    78.94%{ clip: rect(33px, 9999px, 199px, 0); }
    84.21%{ clip: rect(73px, 9999px, 144px, 0); }
    89.47%{ clip: rect(79px, 9999px, 163px, 0); }
    94.73%{ clip: rect(1px,  9999px, 76px,  0); }
    to    { clip: rect(64px, 9999px, 117px, 0); }
}

/* ── Supporting text ── */
.nf-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: #38bdf8;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.nf-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1rem, 3vw, 1.25rem);
    font-weight: 300;
    color: rgba(226, 232, 240, 0.5);
    margin: 0.5rem 0 1.75rem;
    letter-spacing: 0.05em;
}

.nf-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 13px;
    color: #38bdf8;
    text-decoration: none;
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 6px;
    padding: 10px 22px;
    transition: background 0.2s, border-color 0.2s;
}

.nf-back:hover {
    background: rgba(56, 189, 248, 0.08);
    border-color: rgba(56, 189, 248, 0.5);
}