/* ================================================================
   Voyages Classy Travel – Main Stylesheet
   ================================================================ */
:root {
  --primary:   #1e3a5f;
  --accent:    #2563eb;
  --accent-hover: #1d4ed8;
  --bg:        #f3f6ff;
  --card:      #ffffff;
  --border:    #e6eaf5;
  --text:      #0f172a;
  --muted:     #475569;
  --success:   #16a34a;
  --danger:    #dc2626;
  --radius:    8px;
}

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

body {
  font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ── Navbar ────────────────────────────────────────────────────── */
.navbar {
  background: linear-gradient(135deg, #0f2440 0%, var(--primary) 50%, #1a3d6e 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 64px;
  box-shadow: 0 3px 12px rgba(0,0,0,.18);
  position: relative;
  z-index: 100;
}
.navbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .3px;
  text-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.navbar .brand .logo-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 10px;
  padding: 5px 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.navbar .brand .logo-wrapper img {
  height: 34px;
  display: block;
}
.navbar .nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}
.navbar .nav-right .agent-name {
  opacity: .9;
  font-weight: 500;
}
.navbar button {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  color: #fff;
  padding: 7px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background .2s, transform .15s;
}
.navbar button:hover {
  background: rgba(255,255,255,.25);
  transform: translateY(-1px);
}

/* ── Login Page ────────────────────────────────────────────────── */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 36px;
  width: 400px;
  max-width: 95vw;
  box-shadow: 0 4px 24px rgba(30,58,95,.08);
  text-align: center;
}
.login-card .logo { display: block; margin: 0 auto 12px; height: 56px; filter: drop-shadow(0 2px 4px rgba(30,58,95,.12)); }
.login-card .lang-toggle { text-align: center; margin-bottom: 14px; }
.login-card h2 { margin-bottom: 6px; color: var(--primary); }
.login-card p.sub { color: var(--muted); font-size: 14px; margin-bottom: 24px; }

/* ── Forms ─────────────────────────────────────────────────────── */
.form-group {
  text-align: left;
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--muted);
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  transition: border-color .2s;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 220px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.5;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .2s;
}
.btn-primary   { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-success   { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover  { background: #b91c1c; }
.btn-outline   { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-block     { width: 100%; justify-content: center; }

.btn:disabled  { opacity: .5; cursor: not-allowed; }

.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.alert-error   { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: var(--success); border: 1px solid #bbf7d0; }

/* ── Dashboard Layout ──────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px;
}
.page-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}
.page-subtitle {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 6px rgba(30,58,95,.04);
}
.card h3 {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--primary);
}

/* ── Tabs ──────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.tab-btn {
  background: none;
  border: none;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all .2s;
}
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Steps indicator ───────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.step.active { color: var(--accent); font-weight: 600; }
.step.done   { color: var(--success); }
.step-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  background: var(--border);
  color: var(--muted);
}
.step.active .step-num { background: var(--accent); color: #fff; }
.step.done .step-num   { background: var(--success); color: #fff; }
.step-arrow { color: var(--border); font-size: 18px; }

/* ── Invoice History Table ─────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data-table th {
  background: #eef2ff;
  color: var(--muted);
  font-weight: 600;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
}
table.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
table.data-table tr:hover td { background: #f8fafc; }

/* ── Preview Toolbar ───────────────────────────────────────────── */
.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.preview-toolbar .btn { font-size: 13px; padding: 8px 16px; }
.preview-toolbar .spacer { flex: 1; }
.preview-toolbar .back-link {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  opacity: .8;
}
.preview-toolbar .back-link:hover { opacity: 1; }

/* ── Email Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card);
  border-radius: 12px;
  padding: 28px;
  width: 440px;
  max-width: 95vw;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
}
.modal h3 { margin-bottom: 16px; }
.modal .modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

/* ── Spinner ───────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Print styles ──────────────────────────────────────────────── */
@media print {
  .preview-toolbar, .modal-overlay { display: none !important; }
  body { background: #fff; }
}

/* ── Language Toggle ────────────────────────────────────────────── */
.lang-toggle {
  display: inline-flex;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.25);
}
.lang-btn {
  background: transparent;
  border: none;
  color: rgba(255,255,255,.6);
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
  letter-spacing: .5px;
}
.lang-btn.active {
  background: rgba(255,255,255,.2);
  color: #fff;
}
.lang-btn:hover {
  color: #fff;
  background: rgba(255,255,255,.12);
}
/* Login page variant (dark text) */
.login-card .lang-toggle {
  border-color: var(--border);
}
.login-card .lang-btn {
  color: var(--muted);
}
.login-card .lang-btn.active {
  background: var(--accent);
  color: #fff;
}
.login-card .lang-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .login-card { padding: 28px 20px; }
  .container   { padding: 16px 10px; }
  .steps       { flex-wrap: wrap; }
  .navbar      { padding: 0 12px; }
}