/* ======================================================
   Design System: Industrial / Utilitarian
   Differentiator: Control-room glow accents + monospace data
   Shared across all pages
   ====================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* -- Palette -- */
  --color-base:      #0a0e17;
  --color-surface:   #101722;
  --color-elevated:  #161e2e;
  --color-panel:     #1a2336;
  --color-text:      #d4dae6;
  --color-text-hi:   #eef1f8;
  --color-muted:     #6b7a94;
  --color-border:    rgba(100, 120, 160, 0.14);
  --color-border-hi: rgba(100, 120, 160, 0.28);

  /* -- Accent: Cyan-teal control glow -- */
  --color-primary:       #00d4aa;
  --color-primary-dim:   rgba(0, 212, 170, 0.12);
  --color-primary-glow:  rgba(0, 212, 170, 0.06);
  --color-accent:        #3b82f6;
  --color-accent-dim:    rgba(59, 130, 246, 0.14);

  /* -- Semantic -- */
  --color-success:   #22c55e;
  --color-warning:   #f59e0b;
  --color-error:     #ef4444;

  /* -- Typography -- */
  --font-body:  'DM Sans', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'SFMono-Regular', Consolas, monospace;
  --fs-xs:   clamp(0.68rem, 0.6rem + 0.25vw, 0.75rem);
  --fs-sm:   clamp(0.78rem, 0.72rem + 0.3vw, 0.85rem);
  --fs-base: clamp(0.85rem, 0.8rem + 0.25vw, 0.95rem);
  --fs-md:   clamp(1rem, 0.92rem + 0.4vw, 1.15rem);
  --fs-lg:   clamp(1.2rem, 1.05rem + 0.75vw, 1.5rem);
  --fs-xl:   clamp(1.5rem, 1.2rem + 1.5vw, 2rem);

  /* -- Spacing -- */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;

  /* -- Shadows -- */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.35), 0 2px 4px rgba(0,0,0,0.2);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.5), 0 4px 12px rgba(0,0,0,0.25);
  --shadow-glow: 0 0 20px var(--color-primary-glow), 0 0 60px rgba(0, 212, 170, 0.03);

  /* -- Radii -- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  /* -- Motion -- */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:    cubic-bezier(0.7, 0, 0.84, 0);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;

  color-scheme: dark;
}

/* -- Noise texture overlay -- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

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

body {
  margin: 0;
  background: var(--color-base);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* -- Scrollbar -- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(100, 120, 160, 0.25);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 120, 160, 0.4);
}

/* -- Selection -- */
::selection {
  background: rgba(0, 212, 170, 0.25);
  color: var(--color-text-hi);
}

/* ============ TYPOGRAPHY ============ */
h1 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-text-hi);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
h1::before {
  content: '◆';
  color: var(--color-primary);
  font-size: 0.6em;
}
h2 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text-hi);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
h2::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--color-primary);
  border-radius: 2px;
  flex-shrink: 0;
}
h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text-hi);
  letter-spacing: -0.01em;
}
p {
  color: var(--color-muted);
  line-height: 1.6;
}

/* ============ HEADER ============ */
header {
  background: var(--color-surface);
  padding: var(--space-lg) var(--space-lg) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-primary) 20%,
    var(--color-primary) 80%,
    transparent 100%
  );
  opacity: 0.25;
}
header h1 { margin: 0; }
header p {
  margin: var(--space-sm) 0 0;
  color: var(--color-muted);
  font-size: var(--fs-sm);
}
header nav {
  margin-top: var(--space-md);
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  background: rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-md);
  padding: 3px;
}
header nav a,
header nav button {
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
  line-height: 1.4;
}
header nav a:hover,
header nav button:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
}
header nav button.active {
  background: var(--color-primary-dim);
  color: var(--color-primary);
  box-shadow: inset 0 0 0 1px rgba(0, 212, 170, 0.15);
}

/* ============ FORM CONTROLS ============ */
label {
  display: block;
  margin: var(--space-md) 0 var(--space-xs);
  font-size: var(--fs-sm);
  color: var(--color-muted);
}
input, select, textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-hi);
  background: var(--color-base);
  color: var(--color-text-hi);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}
input::placeholder, textarea::placeholder {
  color: rgba(100, 120, 160, 0.45);
}
select { cursor: pointer; }
textarea { resize: vertical; }

/* ============ BUTTONS ============ */
button {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  background: var(--color-primary-dim);
  color: var(--color-primary);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--duration-fast) var(--ease-out);
  margin-top: var(--space-sm);
}
button:hover {
  background: rgba(0, 212, 170, 0.2);
  box-shadow: 0 0 12px rgba(0, 212, 170, 0.1);
}
button:active {
  transform: scale(0.97);
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
button.action {
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
  color: var(--color-primary);
}
button.secondary {
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
  color: var(--color-accent);
}
button.secondary:hover {
  background: rgba(59, 130, 246, 0.22);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.1);
}
button.danger {
  border-color: var(--color-error);
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
}
button.danger:hover {
  background: rgba(239, 68, 68, 0.18);
}
button.mini-button {
  padding: 5px 10px;
  font-size: var(--fs-xs);
}

/* ============ SECTIONS / PANELS ============ */
section {
  margin-bottom: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  position: relative;
}
section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0.12;
}

/* ============ TABLES ============ */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-md);
}
th, td {
  border-bottom: 1px solid var(--color-border);
  padding: 10px var(--space-sm);
  font-size: var(--fs-sm);
  text-align: left;
  vertical-align: top;
}
th {
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-bottom: var(--space-md);
}
tr {
  transition: background var(--duration-fast) var(--ease-out);
}
tbody tr:hover {
  background: rgba(0, 212, 170, 0.02);
}

/* ============ STATUS / MESSAGES ============ */
.status {
  margin-top: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-primary-dim);
  font-size: var(--fs-sm);
  font-family: var(--font-mono);
  color: var(--color-text);
  border: 1px solid rgba(0, 212, 170, 0.1);
}
.message {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
  font-size: var(--fs-sm);
  font-family: var(--font-mono);
  white-space: pre-wrap;
}
.message.error {
  border-color: rgba(248, 113, 113, 0.4);
  color: #fca5a5;
}
.message.success {
  border-color: rgba(74, 222, 128, 0.4);
  color: #86efac;
}

/* ============ INLINE ROW ============ */
.inline {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.inline label {
  flex: 1;
  min-width: 200px;
}

/* ============ BADGES ============ */
.badge, .status-badge, .status-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border: 1px solid rgba(59, 130, 246, 0.15);
}
.badge.success, .status-badge.success, .status-chip.success {
  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.15);
}
.badge.pending, .status-badge.pending, .status-chip.pending {
  background: rgba(234, 179, 8, 0.1);
  color: #facc15;
  border-color: rgba(234, 179, 8, 0.15);
}
.badge.error, .status-badge.error, .status-chip.error {
  background: rgba(248, 113, 113, 0.1);
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.15);
}
.badge.subtle, .status-chip.ready {
  background: rgba(100, 120, 160, 0.08);
  color: var(--color-muted);
  border-color: var(--color-border);
}
.status-chip.uploading {
  background: rgba(248, 196, 113, 0.1);
  color: #fde68a;
  border-color: rgba(248, 196, 113, 0.15);
}

/* ============ LOGIN OVERLAYS ============ */
.login-overlay,
.admin-login-overlay,
.sa-login-overlay,
.site-login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 14, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn var(--duration-base) var(--ease-out);
}
.login-overlay.hidden,
.admin-login-overlay.hidden,
.sa-login-overlay.hidden,
.site-login-overlay.hidden {
  display: none;
}
.login-card,
.admin-login-card,
.sa-login-card,
.site-login-card {
  width: min(400px, 90vw);
  background: var(--color-elevated);
  border: 1px solid var(--color-border-hi);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  animation: slideUp var(--duration-slow) var(--ease-spring);
}
.login-card h2,
.admin-login-card h2,
.sa-login-card h2 {
  margin: 0 0 var(--space-sm);
}
.login-card button,
.admin-login-card button,
.sa-login-card button {
  margin-top: 0;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============ LOG OUTPUT ============ */
.log-output {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  white-space: pre-wrap;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.6;
  min-height: 180px;
  overflow-y: auto;
  color: var(--color-primary);
}
pre {
  margin: 0;
  white-space: pre-wrap;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}
pre.command {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
  border: 1px dashed var(--color-border-hi);
  margin-top: var(--space-md);
  color: var(--color-primary);
}
code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(0, 212, 170, 0.06);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-primary);
}

/* ============ HINT ============ */
.hint, .hint-text {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  line-height: 1.5;
}

/* ============ FOOTER ============ */
footer {
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--color-muted);
}

/* ============ HIDDEN UTILITY ============ */
.hidden { display: none !important; }

/* ============ RESPONSIVE ============ */
@media (max-width: 720px) {
  header h1 { font-size: var(--fs-md); }
  header nav a, header nav button {
    padding: 7px 12px;
    font-size: 0.65rem;
  }
  section { padding: var(--space-md); }
  .inline { gap: var(--space-sm); }
  .inline label { min-width: 160px; }
}