/* ============================================================
   Modern Design System - 2026
   Clean Glass aesthetic with purposeful depth
   ============================================================ */

/* --- Design Tokens --- */
:root {
  /* Primary */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-primary-glow: rgba(37, 99, 235, 0.2);

  /* Status */
  --color-approve: #059669;
  --color-approve-hover: #047857;
  --color-approve-light: #ecfdf5;
  --color-reject: #dc2626;
  --color-reject-hover: #b91c1c;
  --color-reject-light: #fef2f2;
  --color-pending: #d97706;
  --color-pending-light: #fffbeb;
  --color-complete: #6b7280;

  /* Neutral */
  --color-bg: #f0f4f8;
  --color-card: #ffffff;
  --color-text: #0f172a;
  --color-text-light: #64748b;
  --color-text-muted: #94a3b8;
  --color-border: rgba(0, 0, 0, 0.06);
  --color-border-strong: rgba(0, 0, 0, 0.1);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-blur: 20px;
  --glass-border: rgba(255, 255, 255, 0.5);

  /* Radius */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration: 200ms;
  --duration-slow: 300ms;
}

/* --- Reset & Base --- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  background-image:
    radial-gradient(circle at 20% 0%, rgba(37, 99, 235, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(168, 85, 247, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.02) 0%, transparent 60%);
  background-attachment: fixed;
  color: var(--color-text);
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[x-cloak] { display: none !important; }

/* --- Navbar --- */
.navbar {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.92), rgba(59, 130, 246, 0.88));
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: #fff;
  padding: 0 max(24px, env(safe-area-inset-left));
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.12) inset,
    0 4px 20px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.navbar-back {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease);
}

.navbar-back:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.navbar-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.08);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-role {
  background: rgba(255, 255, 255, 0.15);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-logout {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  min-height: 36px;
  transition: all var(--duration) var(--ease);
}

.btn-logout:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

/* --- Layout --- */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px max(20px, env(safe-area-inset-left));
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

/* --- Cards --- */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
  transition: all var(--duration) var(--ease);
  position: relative;
}

.card[style*="cursor: pointer"]:hover,
.card[onclick]:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.15);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-meta {
  font-size: 13px;
  color: var(--color-text-light);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 10px;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.badge-draft { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }
.badge-pending_council { background: var(--color-pending-light); color: #92400e; border-color: #fde68a; }
.badge-pending_vice_treasurer { background: #ede9fe; color: #5b21b6; border-color: #ddd6fe; }
.badge-pending_admin { background: var(--color-primary-light); color: #1e40af; border-color: #bfdbfe; }
.badge-completed { background: var(--color-approve-light); color: #047857; border-color: #a7f3d0; }
.badge-rejected { background: var(--color-reject-light); color: #b91c1c; border-color: #fecaca; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #3b82f6);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-approve), #10b981);
  color: #fff;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}
.btn-success:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-reject), #ef4444);
  color: #fff;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}
.btn-danger:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
}

.btn-outline {
  background: var(--color-card);
  border: 1.5px solid var(--color-border-strong);
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
}
.btn-outline:hover:not(:disabled) {
  background: #f8fafc;
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow);
}

.btn-sm { padding: 6px 14px; font-size: 13px; min-height: 36px; font-weight: 500; }
.btn-block { width: 100%; }

/* --- Forms --- */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.form-label .required {
  color: var(--color-reject);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-sm);
  font-size: 16px; /* iOS zoom prevention */
  font-family: inherit;
  background: var(--color-card);
  color: var(--color-text);
  min-height: 44px;
  transition: all var(--duration) var(--ease);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
  background: #fff;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: #f1f5f9;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2364748b'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 20px;
  padding-right: 36px;
}

.form-textarea {
  min-height: 80px;
  resize: vertical;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0 20px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--color-primary);
}

/* --- Filter Tabs --- */
.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.filter-tabs::-webkit-scrollbar { display: none; }

.filter-tab {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border-strong);
  background: var(--color-card);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  min-height: 38px;
  font-family: inherit;
  transition: all var(--duration) var(--ease);
  color: var(--color-text-light);
  box-shadow: var(--shadow-xs);
}

.filter-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-tab.active {
  background: linear-gradient(135deg, var(--color-primary), #3b82f6);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.filter-tab .count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-reject);
  color: #fff;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  font-size: 11px;
  margin-left: 4px;
  padding: 0 5px;
  font-weight: 600;
}

.filter-tab.active .count {
  background: rgba(255, 255, 255, 0.3);
}

/* --- Modals --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}

.modal {
  background: var(--color-card);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px 24px;
  box-shadow: var(--shadow-xl);
  animation: modalSlideUp var(--duration-slow) var(--ease-out);
}

@keyframes modalSlideUp {
  from { transform: translateY(100%); opacity: 0.5; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

/* --- Timeline --- */
.timeline {
  padding-left: 24px;
  border-left: 2px solid var(--color-border-strong);
  margin: 16px 0;
}

.timeline-item {
  position: relative;
  padding: 0 0 20px 20px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -9px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2.5px solid var(--color-border-strong);
  background: var(--color-card);
  transition: all var(--duration) var(--ease);
}

.timeline-item.approved::before { background: var(--color-approve); border-color: var(--color-approve); box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.15); }
.timeline-item.rejected::before { background: var(--color-reject); border-color: var(--color-reject); box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.15); }
.timeline-item.submitted::before { background: var(--color-primary); border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-glow); }

.timeline-action {
  font-size: 14px;
  font-weight: 500;
}

.timeline-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.timeline-comment {
  font-size: 13px;
  color: var(--color-text);
  background: var(--color-bg);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-top: 8px;
  border-left: 3px solid var(--color-border-strong);
}

/* --- Login --- */
.login-container {
  max-width: 440px;
  margin: 0 auto;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e0e7ff 0%, #ede9fe 40%, #fae8ff 100%);
  padding: 20px;
}

.login-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 40px 36px;
  text-align: center;
  animation: loginFadeIn 0.4s var(--ease-out);
}

@keyframes loginFadeIn {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.login-title {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.login-subtitle {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.login-back-link {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease);
}

.login-back-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.role-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.role-btn {
  padding: 16px 12px;
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: var(--color-card);
  cursor: pointer;
  text-align: center;
  transition: all var(--duration) var(--ease);
  min-height: 44px;
  font-family: inherit;
  color: var(--color-text);
}

.role-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.role-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.role-btn-label {
  font-size: 14px;
  font-weight: 600;
}

.role-btn-desc {
  font-size: 11px;
  color: var(--color-text-light);
  margin-top: 4px;
}

.user-list {
  margin-top: 16px;
}

.user-btn {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: var(--color-card);
  cursor: pointer;
  text-align: left;
  font-size: 15px;
  font-family: inherit;
  margin-bottom: 8px;
  min-height: 48px;
  transition: all var(--duration) var(--ease);
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
}

.user-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.user-btn:active {
  transform: translateY(0);
}

/* Input passcode style */
.input-passcode {
  text-align: center;
  font-size: 20px;
  letter-spacing: 6px;
}

/* --- Progress Bar --- */
.progress-bar {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 16px 0;
  font-size: 11px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.progress-bar::-webkit-scrollbar { display: none; }

.progress-step {
  flex: 1;
  text-align: center;
  position: relative;
  min-width: 60px;
}

.progress-step::after {
  content: '';
  position: absolute;
  top: 14px;
  left: 50%;
  width: 100%;
  height: 3px;
  background: var(--color-border-strong);
  border-radius: 2px;
  transition: background var(--duration-slow) var(--ease);
}

.progress-step:last-child::after { display: none; }

.progress-dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2.5px solid var(--color-border-strong);
  background: var(--color-card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  font-size: 12px;
  font-weight: 600;
  transition: all var(--duration-slow) var(--ease);
  box-shadow: 0 0 0 4px var(--color-bg);
}

.progress-step.done .progress-dot {
  background: linear-gradient(135deg, var(--color-approve), #10b981);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 0 4px var(--color-bg), 0 2px 6px rgba(5, 150, 105, 0.3);
}

.progress-step.done::after {
  background: linear-gradient(90deg, var(--color-approve), #10b981);
}

.progress-step.current .progress-dot {
  background: linear-gradient(135deg, var(--color-primary), #3b82f6);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 0 4px var(--color-bg), 0 2px 6px rgba(37, 99, 235, 0.3);
  animation: pulseDot 2s infinite;
}

.progress-step.skipped .progress-dot {
  background: #e2e8f0;
  border-color: #cbd5e1;
  color: #94a3b8;
  opacity: 0.6;
}

.progress-step.rejected .progress-dot {
  background: linear-gradient(135deg, var(--color-reject), #ef4444);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 0 4px var(--color-bg), 0 2px 6px rgba(220, 38, 38, 0.3);
}

@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 4px var(--color-bg), 0 2px 6px rgba(37, 99, 235, 0.3), 0 0 0 4px rgba(37, 99, 235, 0.3); }
  50% { box-shadow: 0 0 0 4px var(--color-bg), 0 2px 6px rgba(37, 99, 235, 0.3), 0 0 0 12px rgba(37, 99, 235, 0); }
}

.progress-label {
  font-size: 11px;
  margin-top: 8px;
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.3;
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--color-text-light);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.7;
}

.empty-state-text {
  font-size: 15px;
  font-weight: 500;
}

/* --- Detail Table --- */
.detail-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.detail-table th,
.detail-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 14px;
}

.detail-table tr:last-child th,
.detail-table tr:last-child td {
  border-bottom: none;
}

.detail-table th {
  width: 35%;
  color: var(--color-text-light);
  font-weight: 600;
  font-size: 13px;
  background: rgba(0, 0, 0, 0.015);
}

/* --- Form Sections --- */
.form-section {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
}

.form-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-light);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-row {
  display: flex;
  gap: 12px;
}

/* Date mode toggle */
.date-mode-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--color-border-strong);
  background: var(--color-bg);
}

.date-mode-btn {
  flex: 1;
  padding: 8px 12px;
  border: none;
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  min-height: 40px;
  transition: all var(--duration) var(--ease);
  font-family: inherit;
  color: var(--color-text-light);
}

.date-mode-btn.active {
  background: linear-gradient(135deg, var(--color-primary), #3b82f6);
  color: #fff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
}

/* Date chips */
.date-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.date-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}

.date-chip-remove {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 16px;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  opacity: 0.6;
  transition: opacity var(--duration-fast);
}

.date-chip-remove:hover {
  opacity: 1;
}

/* Cost breakdown */
.cost-breakdown {
  background: linear-gradient(135deg, #eff6ff, #f0f9ff);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: #1e40af;
  margin-bottom: 12px;
  font-weight: 600;
}

/* --- Toast --- */
.toast-container {
  position: fixed;
  top: calc(72px + env(safe-area-inset-top, 0));
  right: max(20px, env(safe-area-inset-right));
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: #1e293b;
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 400ms var(--ease-out);
  pointer-events: auto;
  max-width: 380px;
  border-left: 4px solid #64748b;
  word-break: break-word;
}

.toast--success { background: #065f46; border-left-color: #34d399; }
.toast--error { background: #7f1d1d; border-left-color: #f87171; }
.toast--warning { background: #78350f; border-left-color: #fbbf24; }

@keyframes toastIn {
  from { transform: translateX(100%) scale(0.9); opacity: 0; }
  to { transform: translateX(0) scale(1); opacity: 1; }
}

@keyframes toastOut {
  from { transform: translateX(0) scale(1); opacity: 1; }
  to { transform: translateX(100%) scale(0.9); opacity: 0; }
}

.toast--exit {
  animation: toastOut var(--duration-slow) var(--ease) forwards;
}

/* --- Utility Classes --- */
.section-header {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-editing {
  margin-bottom: 16px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.action-link {
  font-size: 12px;
  color: var(--color-text-muted);
  cursor: pointer;
  text-decoration: none;
  margin-left: 8px;
  transition: color var(--duration-fast);
}

.action-link:hover {
  color: var(--color-primary);
}

.action-link--danger:hover {
  color: var(--color-reject);
}

.text-muted {
  color: var(--color-text-light);
  font-size: 13px;
}

.text-sm {
  font-size: 12px;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-center {
  display: flex;
  align-items: center;
  gap: 8px;
}

.flex-wrap-gap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }

/* --- Responsive --- */
@media (max-width: 480px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .role-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 20px 16px;
  }

  .page-title {
    font-size: 18px;
  }

  .navbar {
    padding: 0 12px;
  }

  .navbar-user {
    gap: 6px;
    font-size: 12px;
    padding: 4px 10px;
  }

  .navbar-role {
    display: none;
  }

  .form-label {
    font-size: 14px;
  }

  .toast-container {
    right: 12px;
    left: 12px;
  }

  .toast {
    max-width: 100%;
  }
}

@media (min-width: 768px) {
  .modal-overlay {
    align-items: center;
  }
  .modal {
    border-radius: var(--radius-xl);
    animation: modalScaleUp var(--duration-slow) var(--ease-spring);
  }
  @keyframes modalScaleUp {
    from { transform: scale(0.92) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
  }
}

/* Stamp button (transport) */
.btn-stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  min-height: 44px;
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  color: #fff;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
  transition: all var(--duration) var(--ease);
}

.btn-stamp:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
}

.btn-stamp:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}