/* Expense Management System - Premium Modern UI (Glass & Bento) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #050505;
  --surface: rgba(24, 24, 27, 0.5);
  --surface-hover: rgba(255, 255, 255, 0.05);
  --card: rgba(20, 20, 22, 0.7);
  --muted: #a1a1aa;
  --text: #f4f4f5;
  --primary: #8b5cf6;
  --primary-hover: #7c3aed;
  --primary-glow: rgba(139, 92, 246, 0.4);
  --secondary: #3b82f6;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);
  --chip: rgba(255, 255, 255, 0.05);
  --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --blur: blur(20px);
  --font-main: 'Outfit', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { min-height: 100vh; margin: 0; }

body {
  background-color: var(--bg);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.15), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(59, 130, 246, 0.15), transparent 25%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Utilities */
.hidden { display: none !important; }
.muted { color: var(--muted); }
.noscript { background: rgba(239, 68, 68, 0.1); color: var(--danger); padding: 12px; text-align: center; backdrop-filter: var(--blur); }

/* Animations */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* Auth View */
.auth-view { display: grid; place-items: center; min-height: 100vh; padding: 24px; animation: fadeIn 0.8s ease-out; position: relative;}
.auth-card {
  width: 100%; max-width: 440px;
  background: var(--card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: 24px; 
  padding: 32px; 
  box-shadow: var(--shadow), inset 0 1px 1px rgba(255,255,255,0.05);
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative; z-index: 2;
}

.brand { 
  display: inline-flex; gap: 12px; align-items: center; 
  font-weight: 700; font-size: 24px; color: var(--text); 
  margin-bottom: 24px;
}
.brand i { 
  color: var(--primary); 
  font-size: 28px;
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.auth-card h1 { font-size: 28px; margin: 0 0 8px 0; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.form-grid label { display: flex; flex-direction: column; gap: 8px; font-size: 14px; font-weight: 500; color: var(--muted); }
.form-grid input:not([type="checkbox"]):not([type="radio"]), .form-grid select, .form-grid textarea,
.rules-form input[type="number"], .rules-form input[type="text"], .rules-form select, .step-role-select, .inline select {
  background: rgba(0,0,0,0.2); 
  border: 1px solid var(--border); 
  color: var(--text);
  padding: 12px 16px; 
  border-radius: 12px; outline: none; width: 100%;
  font-family: inherit;
  transition: all 0.3s ease;
}
.rules-form input[type="number"], .rules-form input[type="text"], .rules-form select, .step-role-select, .inline select {
  width: auto;
  min-width: 140px;
  padding: 8px 12px;
}
.form-grid input:not([type="checkbox"]):not([type="radio"]):focus, .form-grid select:focus, .form-grid textarea:focus,
.rules-form input[type="number"]:focus, .rules-form input[type="text"]:focus, .rules-form select:focus, .step-role-select:focus, .inline select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
  background: rgba(0,0,0,0.4);
}
.form-grid input::placeholder, .form-grid textarea::placeholder { color: #52525b; }
.form-grid textarea { resize: vertical; min-height: 80px; }
.form-grid .col-span-2 { grid-column: span 2; }
.form-grid .inline { display: flex; align-items: center; gap: 10px; flex-direction: row; }

/* Buttons */
.btn {
  font-family: var(--font-main);
  background: var(--surface); color: var(--text); 
  border: 1px solid var(--border); 
  padding: 14px 20px; 
  border-radius: 12px; cursor: pointer; 
  font-weight: 600; font-size: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex; justify-content: center; align-items: center; gap: 8px;
}
.btn:hover:not(:disabled) { 
  transform: translateY(-2px); 
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  background: var(--surface-hover);
  border-color: var(--border-light);
}
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { 
  background: linear-gradient(135deg, var(--primary), #a78bfa); 
  border: none; color: #fff;
  box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-hover), #8b5cf6);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover:not(:disabled) { background: rgba(255,255,255,0.05); border-color: var(--border); }

.icon-btn { 
  background: transparent; color: var(--text); border: none; 
  padding: 10px; border-radius: 12px; cursor: pointer;
  transition: all 0.2s ease;
  display: grid; place-items: center;
}
.icon-btn:hover { background: rgba(255,255,255,0.1); transform: rotate(5deg) scale(1.1); }

.full { width: 100%; }

.auth-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 24px; border-top: 1px solid var(--border); padding-top: 16px;}

/* Layout - Glassmorphic */
.layout { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar { 
  border-right: 1px solid var(--border); 
  background: rgba(10, 10, 12, 0.65);
  backdrop-filter: var(--blur); 
  -webkit-backdrop-filter: var(--blur);
  padding: 24px 16px;
  display: flex; flex-direction: column; gap: 32px;
}
.sidebar-brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 22px; padding: 0 12px; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5)); }
.sidebar-brand i { color: var(--primary); font-size: 26px; filter: drop-shadow(0 0 5px var(--primary-glow)); }

.sidebar nav { display: flex; flex-direction: column; gap: 8px; }
.nav-item { 
  display: flex; align-items: center; gap: 14px; 
  padding: 12px 16px; 
  background: transparent; border: 1px solid transparent; 
  color: var(--muted); cursor: pointer; border-radius: 14px;
  font-weight: 500; transition: all 0.3s ease;
  font-size: 15px; width: 100%; text-align: left;
}
.nav-item i { width: 22px; text-align: center; font-size: 18px; transition: color 0.3s ease; }
.nav-item:hover { 
  background: rgba(255,255,255,0.03); color: var(--text); 
  transform: translateX(4px); 
}
.nav-item.active { 
  background: linear-gradient(90deg, rgba(139,92,246,0.15), transparent); 
  border: 1px solid rgba(139,92,246,0.2); 
  color: #fff; 
  box-shadow: inset 3px 0 0 var(--primary);
}
.nav-item.active i { color: var(--primary); filter: drop-shadow(0 0 5px var(--primary-glow)); }

.main { display: flex; flex-direction: column; min-width: 0; }
.topbar { 
  display: flex; gap: 16px; align-items: center; 
  padding: 16px 32px; 
  border-bottom: 1px solid var(--border); 
  position: sticky; top: 0; 
  background: rgba(10, 10, 12, 0.7); 
  backdrop-filter: var(--blur); 
  -webkit-backdrop-filter: var(--blur);
  z-index: 10; 
}
.spacer { flex: 1; }
.company-badge { 
  background: rgba(255,255,255,0.03); color: #fff; 
  font-size: 13px; font-weight: 600;
  padding: 8px 16px; border-radius: 24px; 
  border: 1px solid var(--border); 
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  display: flex; align-items: center; gap: 6px;
}
.current-user { font-size: 14px; font-weight: 500; color: var(--muted); }

.content { padding: 32px; display: flex; flex-direction: column; gap: 32px; animation: slideUp 0.5s ease; }
.view { display: flex; flex-direction: column; gap: 32px; }

/* Bento Cards Grid */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.card {
  background: var(--card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border); 
  border-radius: 24px; padding: 24px; 
  box-shadow: var(--shadow), inset 0 1px 1px rgba(255,255,255,0.05);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  opacity: 0.5;
}
.card:hover { transform: translateY(-5px) scale(1.02); border-color: var(--border-light); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.card h4 { margin: 0; font-size: 14px; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.card .value { font-size: 36px; margin-top: 12px; font-weight: 700; color: #fff; letter-spacing: -0.02em; }

.panel { 
  background: var(--card); border: 1px solid var(--border); border-radius: 24px; 
  padding: 32px; box-shadow: var(--shadow); 
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.panel h3 { margin-top: 0; margin-bottom: 24px; font-weight: 600; font-size: 20px; display: flex; align-items: center; gap: 10px; color: #fff; }

/* Tools & Filtering */
.toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 8px; }
.toolbar .filters { display: flex; flex-wrap: wrap; gap: 12px; flex: 1; }
.toolbar .filters input, .toolbar .filters select {
  background: rgba(0,0,0,0.2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 16px; border-radius: 12px; outline: none; font-size: 14px; font-family: inherit; font-weight: 500;
  transition: all 0.2s;
}
.toolbar .filters input:focus, .toolbar .filters select:focus { border-color: var(--primary); background: rgba(0,0,0,0.4); box-shadow: 0 0 0 2px rgba(139,92,246,0.2); }

/* Tables - Glassy */
.table-wrap { 
  background: var(--card); border: 1px solid var(--border); border-radius: 20px; 
  overflow: auto; backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow);
}
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 18px 20px; font-size: 14px; vertical-align: middle; }
.table th { color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); text-transform: uppercase; font-size: 12px; letter-spacing: 0.05em; background: rgba(0,0,0,0.2); }
.table td { border-bottom: 1px solid rgba(255,255,255,0.02); color: #e4e4e7; }
.table tr:last-child td { border-bottom: none; }
.table tr { transition: background 0.2s ease; }
.table tr:hover { background: rgba(255,255,255,0.04); }

/* Status Pills */
.status { padding: 6px 12px; border-radius: 20px; font-size: 12px; font-weight: 700; letter-spacing: 0.04em; display: inline-flex; align-items: center; justify-content: center; }
.status.PENDING { background: rgba(245,158,11,0.1); color: #fbbf24; border: 1px solid rgba(245,158,11,0.3); }
.status.APPROVED { background: rgba(16,185,129,0.1); color: #34d399; border: 1px solid rgba(16,185,129,0.3); box-shadow: 0 0 10px rgba(16,185,129,0.1); }
.status.REJECTED { background: rgba(239,68,68,0.1); color: #f87171; border: 1px solid rgba(239,68,68,0.3); box-shadow: 0 0 10px rgba(239,68,68,0.1); }

/* Activity List */
.activity-list { display: flex; flex-direction: column; gap: 12px; }
.activity-item { display: flex; gap: 16px; align-items: center; font-size: 14px; padding: 16px; border-radius: 16px; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05); transition: all 0.2s ease; }
.activity-item:hover { background: rgba(255,255,255,0.04); border-color: var(--border-light); transform: translateX(6px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.activity-item .badge { background: rgba(255,255,255,0.08); border-radius: 10px; padding: 6px 12px; font-size: 12px; font-weight: 600; color: #fff; letter-spacing: 0.02em; }

/* Chips */
.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { 
  background: rgba(255,255,255,0.05); border: 1px solid var(--border); 
  border-radius: 20px; padding: 8px 16px; font-size: 13px; font-weight: 500;
  transition: all 0.2s ease; cursor: default; display: inline-flex; align-items: center;
}
.chip:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); border-color: var(--border-light); }

/* Rules Elements */
.rules-form { display: grid; gap: 20px; }
.rule { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 20px; background: rgba(0,0,0,0.2); border-radius: 16px; border: 1px solid var(--border); }
.switch { display: flex; align-items: center; gap: 12px; cursor: pointer; font-weight: 500; }
.switch input[type="checkbox"] { width: 22px; height: 22px; accent-color: var(--primary); cursor: pointer; transition: all 0.2s; }
.steps-list { display: flex; flex-direction: column; gap: 12px; width: 100%; margin: 12px 0; }
.step-row { 
  display: flex; align-items: center; gap: 16px; padding: 14px 20px; 
  border: 1px solid var(--border); border-radius: 14px; 
  background: rgba(255,255,255,0.02); box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  animation: slideUp 0.3s ease; transition: all 0.2s;
}
.step-row:hover { background: rgba(255,255,255,0.04); border-color: var(--border-light); transform: translateY(-2px); }
.step-row .spacer { flex: 1; }

.roles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.roles-grid label { display: flex; flex-direction: row !important; align-items: center; gap: 12px; font-size: 14px; font-weight: 500; cursor: pointer; }
.role-checkbox { width: 22px; height: 22px; accent-color: var(--primary); cursor: pointer; padding: 0; outline: none; }

/* Modals - Glassmorphism */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); z-index: 100; animation: fadeIn 0.3s ease; }
.modal { position: fixed; inset: 0; display: grid; place-items: center; z-index: 110; padding: 20px; }
.modal-card {
  width: 100%; max-width: 640px; max-height: 90vh; overflow-y: auto;
  background: var(--card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255,255,255,0.15); border-radius: 28px; 
  box-shadow: 0 24px 48px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.1); 
  padding: 36px; animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-card::-webkit-scrollbar { width: 8px; }
.modal-card::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 10px; }

.modal-card header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.modal-card header h3 { margin: 0; font-size: 22px; font-weight: 600; color: #fff; }
.modal-close { background: rgba(255,255,255,0.05); }

.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); margin: 28px 0; }

/* Toasts */
.toast-container { position: fixed; right: 24px; bottom: 24px; display: flex; flex-direction: column; gap: 12px; z-index: 120; }
.toast { 
  display: flex; align-items: center; gap: 14px; 
  padding: 16px 24px; border-radius: 16px; 
  background: rgba(24, 24, 27, 0.85); backdrop-filter: blur(16px);
  border: 1px solid var(--border); box-shadow: 0 12px 30px rgba(0,0,0,0.4); font-size: 15px; font-weight: 500;
  animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast::before { content: ""; display: block; width: 8px; height: 8px; border-radius: 50%; }
.toast.success { border-left: 4px solid var(--success); }
.toast.success::before { background: var(--success); box-shadow: 0 0 8px var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.error::before { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
.toast.info { border-left: 4px solid var(--info); }
.toast.info::before { background: var(--info); box-shadow: 0 0 8px var(--info); }

/* Responsive adjustments */
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { 
    position: fixed; inset: 0; right: auto; width: 280px; 
    transform: translateX(-100%); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); 
    z-index: 50; background: rgba(10, 10, 12, 0.95);
  }
  .sidebar.open { transform: translateX(0); box-shadow: 10px 0 40px rgba(0,0,0,0.5); }
  .topbar { padding: 12px 16px; flex-wrap: wrap; gap: 12px; }
  .content { padding: 20px; gap: 20px; }
  .cards { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .col-span-2 { grid-column: span 1; }
  .modal-card { padding: 24px; border-radius: 20px; margin: 16px; max-height: calc(100vh - 32px); }
  .table th, .table td { white-space: nowrap; } /* Prevent squishing on tablet */
}

@media (max-width: 768px) {
  .topbar { justify-content: space-between; }
  .current-user { display: none; } /* Hide for space */
  .company-badge { font-size: 11px; padding: 6px 10px; }
  .cards { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
  .cards .value { font-size: 28px; }
  .panel { padding: 20px; border-radius: 20px; }
  .view { gap: 20px; }
}

@media (max-width: 560px) {
  .auth-card { padding: 24px; border-radius: 20px; box-shadow: none; border: none; background: transparent; backdrop-filter: none; }
  .auth-view { padding: 0; align-items: flex-start; margin-top: 40px; }
  .toolbar { flex-direction: column; align-items: stretch; gap: 12px; }
  .toolbar .filters { flex-direction: column; width: 100%; }
  .toolbar .filters input, .toolbar .filters select { width: 100%; }
  .toolbar .actions { display: flex; justify-content: stretch; width: 100%; }
  .toolbar .actions .btn { width: 100%; justify-content: center; }
  .btn { padding: 12px 16px; font-size: 14px; width: 100%; display: flex; justify-content: center; }
  .table-wrap { border-radius: 12px; }
  .table th, .table td { padding: 12px 16px; font-size: 13px; }
  .rules-form { gap: 16px; }
  .rule { padding: 16px; flex-direction: column; align-items: flex-start; }
  .rules-form input[type="number"], .rules-form input[type="text"], .rules-form select, .step-role-select, .inline select { width: 100%; min-width: 100%; }
  .step-row { flex-wrap: wrap; justify-content: space-between; }
  .step-row .spacer { display: none; }
  .step-role-select { order: 3; width: 100%; margin-top: 8px; }
  .roles-grid { grid-template-columns: 1fr 1fr; }
  .toast-container { right: 16px; bottom: 16px; left: 16px; }
  .toast { width: 100%; justify-content: center; text-align: center; }
  /* Override full-width buttons for specific inline cases */
  .icon-btn, .btn-up, .btn-down, .btn-del { width: auto; }
}