:root {
  /* Premium Dark Palette */
  --bg-dark: #020617; /* Slate 950 */
  --bg-panel: rgba(15, 23, 42, 0.4); /* Slate 900 with opacity */
  --bg-card: rgba(30, 41, 59, 0.3); /* Slate 800 with opacity */
  
  /* Accents */
  --accent-primary: #8b5cf6; /* Violet 500 */
  --accent-hover: #7c3aed; /* Violet 600 */
  --accent-secondary: #3b82f6; /* Blue 500 */
  
  /* Text */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Status Colors */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);

  /* Glassmorphism settings */
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(24px);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6, .brand h2, .counter {
  font-family: 'Outfit', sans-serif;
}

/* ================= BACKGROUND ANIMATIONS ================= */
.bg-animated {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: -1;
  overflow: hidden;
  background: var(--bg-dark);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-primary), transparent 70%);
  top: -10%; left: -10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-secondary), transparent 70%);
  bottom: -20%; right: -10%;
  animation-delay: -5s;
}

.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--success), transparent 70%);
  top: 40%; left: 60%;
  opacity: 0.2;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 30px) scale(1.1); }
  100% { transform: translate(-30px, 50px) scale(0.9); }
}

/* ================= GLASSMORPHISM BASE ================= */
.glass-panel {
  background: var(--bg-panel);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

/* ================= TYPOGRAPHY & UTILS ================= */
.subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

.text-center { text-align: center; }
.py-4 { padding: 1.5rem 0; }

/* ================= LOGIN SCREEN ================= */
.login-wrapper {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.login-box {
  padding: 3rem;
  border-radius: 24px;
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.brand-centered {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.brand-icon {
  font-size: 3rem;
  color: var(--accent-primary);
  filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.5));
}

.brand-centered h2 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-centered h2 span, .brand h2 span {
  color: var(--accent-primary);
}

.login-box h3 {
  font-size: 1.4rem;
  margin-bottom: 0.2rem;
}

.login-box .subtitle {
  margin-bottom: 2rem;
}

/* ================= FORM ELEMENTS ================= */
.form-group {
  margin-bottom: 1.2rem;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.input-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon i {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: color var(--transition-fast);
}

.input-icon input, .input-icon select {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.8rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.input-icon input:focus, .input-icon select:focus {
  border-color: var(--accent-primary);
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.input-icon input:focus + i {
  color: var(--accent-primary);
}

/* ================= BUTTONS ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.2rem;
  border: none;
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.btn.primary {
  background: var(--accent-primary);
  color: white;
}

.btn.primary:hover {
  background: var(--accent-hover);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.glow-btn {
  position: relative;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.glow-btn:hover {
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
  transform: translateY(-2px);
}

.full-width { width: 100%; padding: 0.9rem; margin-top: 1rem; }
.icon-only { padding: 0.5rem; border-radius: 8px; }

/* ================= APP LAYOUT ================= */
.app-layout {
  display: flex;
  width: 100%;
  height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 260px;
  border-right: 1px solid var(--glass-border);
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  z-index: 10;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0 1rem;
  margin-bottom: 2.5rem;
}

.sidebar .brand-icon { font-size: 2rem; }
.sidebar .brand h2 { font-size: 1.4rem; }

.nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-links li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1rem;
  color: var(--text-secondary);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.nav-links li i { font-size: 1.2rem; }

.nav-links li:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.nav-links li.active {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-primary);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 12px 12px 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 0 1rem;
}

.logout-btn {
  width: 100%;
  justify-content: flex-start;
  color: var(--danger);
  background: transparent;
  border: none;
}
.logout-btn:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

/* MAIN CONTENT */
.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.glass-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 3rem;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.2);
  backdrop-filter: var(--glass-blur);
  z-index: 5;
}

.header-greeting h1 { font-size: 1.8rem; margin-bottom: 0.2rem; }
.header-greeting p { color: var(--text-secondary); font-size: 0.95rem; }

.user-profile {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.notification-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
}
.notification-btn:hover { color: var(--text-primary); }
.notification-btn .badge {
  position: absolute;
  top: 2px; right: 2px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--danger);
}

.avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--glass-border);
  background: rgba(0,0,0,0.2);
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.glow-avatar {
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
}

.view-container {
  flex: 1;
  padding: 2rem 3rem;
  overflow-y: auto;
  position: relative;
}

.view {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  animation: viewFadeIn var(--transition-normal) forwards;
}
.view.active-view { display: block; }

@keyframes viewFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2rem;
}

.view-header h2 { font-size: 1.6rem; }

/* ================= DASHBOARD COMPONENTS ================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.stat-card:hover {
  transform: translateY(-5px);
}

.stat-icon-wrapper {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.stat-icon-wrapper.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-primary); }
.stat-icon-wrapper.orange { background: rgba(249, 115, 22, 0.15); color: #f97316; }
.stat-icon-wrapper.green { background: rgba(16, 185, 129, 0.15); color: var(--success); }

.stat-details h3 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.2rem;
}
.stat-details p {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.dashboard-widgets {
  display: grid;
  grid-template-columns: 1fr;
}
.widget { padding: 1.5rem; }
.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.widget-header h3 { font-size: 1.2rem; }
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 0;
  color: var(--text-muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 1rem; opacity: 0.5; }

/* ================= TABLES ================= */
.table-container {
  overflow-x: auto;
  border-radius: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1.2rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

th {
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* Status Pills */
.status-pill {
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
}
.status-present, .status-paid { background: var(--success-bg); color: var(--success); }
.status-absent, .status-pending { background: var(--danger-bg); color: var(--danger); }
.status-partial { background: var(--warning-bg); color: var(--warning); }

/* ================= MODALS ================= */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal {
  width: 100%;
  max-width: 500px;
  padding: 2rem;
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition-normal);
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}
.modal-title { display: flex; align-items: center; gap: 1rem; }
.modal-title h3 { font-size: 1.4rem; }
.icon-bg {
  width: 40px; height: 40px;
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.full-width-field { grid-column: 1 / -1; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
}

/* ================= AI WIDGET ================= */
#ai-fab {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 90;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 25px rgba(139, 92, 246, 0.5);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
#ai-fab:hover { transform: scale(1.05); }

/* Slide Panel */
.slide-panel {
  position: fixed;
  top: 0; right: -400px;
  width: 380px; height: 100vh;
  z-index: 100;
  display: flex; flex-direction: column;
  transition: right var(--transition-normal);
  border-radius: 0;
  border-right: none; border-top: none; border-bottom: none;
}
.slide-panel.open { right: 0; }

.panel-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.ai-title { display: flex; align-items: center; gap: 1rem; }
.ai-icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.ai-title h3 { font-size: 1.1rem; margin-bottom: 0.1rem; }
.status-indicator {
  font-size: 0.8rem; color: var(--success);
  display: flex; align-items: center; gap: 0.3rem;
}
.status-indicator::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--success); display: block;
}

.chat-area {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 1rem;
}

.message { display: flex; flex-direction: column; max-width: 85%; }
.message.ai { align-self: flex-start; }
.message.user { align-self: flex-end; }

.msg-bubble {
  padding: 0.8rem 1rem;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.4;
}
.message.ai .msg-bubble {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-top-left-radius: 4px;
}
.message.user .msg-bubble {
  background: var(--accent-primary);
  color: white;
  border-top-right-radius: 4px;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.2);
}

.chat-input-wrapper { padding: 1.5rem; border-top: 1px solid var(--glass-border); }
.input-glass {
  display: flex;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 0.4rem;
}
.input-glass input {
  flex: 1; background: transparent; border: none; color: var(--text-primary);
  padding: 0.5rem 1rem; outline: none; font-family: inherit;
}
.send-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-primary); color: white; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background var(--transition-fast);
}
.send-btn:hover { background: var(--accent-hover); }

.overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.5); z-index: 95;
  opacity: 0; pointer-events: none; transition: opacity var(--transition-normal);
}
.overlay.active { opacity: 1; pointer-events: auto; }