:root {
  color-scheme: dark;
  --bg: #070b14;
  --bg-soft: #10182b;
  --card: rgba(15, 24, 42, 0.72);
  --card-strong: rgba(15, 24, 42, 0.92);
  --card-border: rgba(137, 170, 227, 0.2);
  --card-shadow: 0 18px 46px rgba(3, 8, 18, 0.45);
  --accent: #6ee7f9;
  --accent-2: #60a5fa;
  --text: #ecf4ff;
  --muted: #a8bad7;
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.2);
  --success: #22c55e;
  --success-soft: rgba(34, 197, 94, 0.2);
  --focus: rgba(110, 231, 249, 0.35);
  --radius: 16px;
  --radius-sm: 12px;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    "Inter",
    "SF Pro Display",
    "Segoe UI",
    ui-sans-serif,
    system-ui,
    -apple-system,
    sans-serif;
  color: var(--text);
  line-height: 1.45;
  background:
    radial-gradient(circle at 12% -10%, rgba(96, 165, 250, 0.25) 0, transparent 34%),
    radial-gradient(circle at 92% 0%, rgba(34, 211, 238, 0.2) 0, transparent 32%),
    linear-gradient(180deg, #0a1020 0%, var(--bg) 46%, #05080f 100%);
}

.container {
  width: min(1220px, 94vw);
  margin: 0 auto;
  padding: 1.1rem 0;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.9rem, 2.8vw, 2.4rem);
  font-weight: 700;
}

h2 {
  font-size: 1.3rem;
  font-weight: 650;
}

h3 {
  font-size: 1.02rem;
  font-weight: 640;
}

h4 {
  font-size: 0.92rem;
  font-weight: 640;
  color: #d3e3ff;
}

p {
  margin: 0;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 1.25rem 1.35rem;
}

body[data-role="admin"] .hero {
  border-color: rgba(96, 165, 250, 0.42);
}

body[data-role="customer"] .hero {
  border-color: rgba(34, 211, 238, 0.42);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(
    110deg,
    rgba(110, 231, 249, 0.15),
    rgba(96, 165, 250, 0.1),
    rgba(110, 231, 249, 0.08)
  );
  pointer-events: none;
}

.hero-top {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  color: #ddf5ff;
  border: 1px solid rgba(110, 231, 249, 0.35);
  border-radius: 999px;
  background: rgba(33, 88, 136, 0.35);
}

.tagline {
  margin-top: 0.58rem;
  color: #d7e6ff;
  font-size: 1rem;
}

.note {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.section-header {
  margin: 0 0 0.85rem;
}

.section-header p {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.muted-text {
  color: var(--muted);
}

.card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(22, 35, 63, 0.38), rgba(12, 19, 34, 0.7)),
    var(--card);
  padding: 1.05rem;
  margin-bottom: 1rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
}

.grid {
  display: grid;
  gap: 1rem;
}

.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.row {
  display: flex;
  gap: 0.62rem;
  align-items: center;
}

.spread {
  justify-content: space-between;
}

.form {
  display: grid;
  gap: 0.72rem;
}

.compact {
  gap: 0.58rem;
}

label {
  display: grid;
  gap: 0.34rem;
  font-size: 0.88rem;
  color: var(--muted);
}

input,
textarea,
select,
button {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(139, 169, 222, 0.3);
  background: rgba(10, 16, 29, 0.84);
  color: var(--text);
  font-size: 0.93rem;
  padding: 0.58rem 0.7rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.16s ease;
}

textarea {
  resize: vertical;
  min-height: 70px;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: none;
  border-color: rgba(110, 231, 249, 0.85);
  box-shadow: 0 0 0 3px var(--focus);
}

button {
  width: auto;
  background: linear-gradient(180deg, rgba(29, 89, 143, 0.85), rgba(18, 58, 105, 0.9));
  border-color: rgba(110, 231, 249, 0.32);
  cursor: pointer;
  font-weight: 620;
}

button:hover {
  border-color: rgba(110, 231, 249, 0.8);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button.danger {
  background: linear-gradient(180deg, rgba(148, 27, 27, 0.92), rgba(102, 18, 18, 0.95));
  border-color: rgba(248, 113, 113, 0.35);
  color: #ffe7e7;
}

.compact-btn {
  max-width: 130px;
}

.form button[type="submit"] {
  width: fit-content;
  min-width: 160px;
}

.inline {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  grid-template-columns: unset;
}

.inline input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.indent {
  margin-left: 1.25rem;
}

.output {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: rgba(7, 13, 25, 0.92);
  border: 1px solid rgba(132, 164, 224, 0.28);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  min-height: 92px;
  max-height: 320px;
  overflow: auto;
  color: #dceaff;
  font-size: 0.85rem;
  line-height: 1.45;
}

.table-wrap {
  overflow: auto;
  margin-top: 0.65rem;
  border: 1px solid rgba(132, 164, 224, 0.24);
  border-radius: var(--radius-sm);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 530px;
  font-size: 0.86rem;
}

th,
td {
  border-bottom: 1px solid rgba(132, 164, 224, 0.18);
  padding: 0.45rem 0.55rem;
  text-align: left;
}

tbody tr:hover td {
  background: rgba(42, 84, 138, 0.13);
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: #daf4ff;
  background: rgba(14, 30, 55, 0.95);
}

.top-divider {
  border-top: 1px dashed rgba(132, 164, 224, 0.34);
  padding-top: 0.85rem;
  margin-top: 0.9rem;
}

#flash-message {
  border-left: 5px solid var(--accent);
  animation: slideIn 200ms ease;
}

#flash-message.success {
  border-left-color: var(--success);
  background: linear-gradient(180deg, rgba(20, 58, 36, 0.55), rgba(9, 23, 16, 0.75));
}

#flash-message.error {
  border-left-color: var(--danger);
  background: linear-gradient(180deg, rgba(76, 19, 19, 0.55), rgba(33, 10, 10, 0.75));
}

.hidden {
  display: none !important;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1000px) {
  .two-col {
    grid-template-columns: 1fr;
  }

  .row {
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(1220px, 95vw);
  }

  .card {
    padding: 0.9rem;
  }

  table {
    min-width: 470px;
  }
}

/* Chat Interface */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 400px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  max-width: 80%;
  word-wrap: break-word;
}

.chat-message.user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--bg);
}

.chat-message.assistant {
  align-self: flex-start;
  background: var(--card);
  border: 1px solid var(--card-border);
}

.chat-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--card-border);
}

.chat-form input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
}

.chat-form button {
  padding: 0.5rem 1rem;
}

/* File Locker */
.file-list {
  margin-top: 1rem;
  max-height: 300px;
  overflow-y: auto;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  border-bottom: 1px solid var(--card-border);
}

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

.file-info {
  flex: 1;
}

.file-name {
  font-weight: 500;
  color: var(--text);
}

.file-meta {
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.file-actions {
  display: flex;
  gap: 0.5rem;
}

.file-actions button {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
}