@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  --bg-primary: #05060f;
  --bg-secondary: #0c0d21;
  --bg-card: rgba(18, 20, 41, 0.5);
  --bg-card-hover: rgba(28, 31, 64, 0.75);
  --border-color: rgba(139, 92, 246, 0.2);
  --border-color-hover: rgba(236, 72, 153, 0.5);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  /* Upgraded Neon Theme Colors */
  --primary: #8b5cf6;
  --primary-glow: rgba(139, 92, 246, 0.6);
  --primary-dark: #6d28d9;
  --secondary: #ec4899;
  --secondary-glow: rgba(236, 72, 153, 0.5);
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.5);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.4);
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.4);
  
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 8px;
  
  --glass-blur: blur(16px);
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Global Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Outfit', sans-serif;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--bg-primary);
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 5% 15%, rgba(139, 92, 246, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 95% 85%, rgba(236, 72, 153, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, #0c0d21 0%, #05060f 100%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Typography Extensions */
h1, h2, h3, .musical-heading {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 10%, #c084fc 50%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 6s infinite alternate;
}

.accent-gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #ec4899 50%, #f43f5e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Page Layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 0;
}

/* Glassmorphism General Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.7);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--border-color-hover);
  box-shadow: 0 20px 40px -5px rgba(236, 72, 153, 0.2);
  transform: translateY(-5px);
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(5, 6, 15, 0.75);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

header.scrolled {
  background: rgba(5, 6, 15, 0.96);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
  height: 70px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  text-decoration: none;
  font-family: 'Playfair Display', serif;
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 0 15px var(--primary-glow);
  animation: float 4s ease-in-out infinite;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
}

nav a:hover, nav a.active {
  color: var(--text-main);
  text-shadow: 0 0 8px var(--primary-glow);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  transition: var(--transition-smooth);
}

nav a:hover::after, nav a.active::after {
  width: 100%;
}

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 15px;
}

.btn {
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-bounce);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 6px 25px rgba(236, 72, 153, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.btn-danger:hover {
  background: #ef4444;
  color: white;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
  transform: translateY(-2px);
}

.btn-warning {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

.btn-warning:hover {
  background: var(--warning);
  color: #000;
  box-shadow: 0 0 20px var(--warning-glow);
  transform: translateY(-2px);
}

/* User Menu Dropdown */
.user-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 5px 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  width: 100%;
}

.hero-content h1 {
  font-size: 4.2rem;
  line-height: 1.1;
  margin-bottom: 25px;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 35px;
  max-width: 550px;
}

.hero-btns {
  display: flex;
  gap: 20px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.music-circle {
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 1px dashed var(--border-color-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: rotate 45s linear infinite;
}

.music-circle-inner {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 1px solid rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.music-artwork {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--bg-secondary) 30%, var(--primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 50px var(--primary-glow);
  position: relative;
}

.music-artwork span {
  font-size: 5rem;
  animation: pulse-note 2.5s ease-in-out infinite;
}

/* Services / Instruments Taught */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.service-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.8rem;
  color: var(--primary);
  transition: var(--transition-bounce);
}

.service-card:hover .service-icon {
  transform: scale(1.15) rotate(5deg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
  box-shadow: 0 10px 25px var(--accent-glow);
}

/* Schedule Table */
.schedule-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 700px;
}

.schedule-table th, .schedule-table td {
  padding: 20px 25px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.schedule-table th {
  background: rgba(255, 255, 255, 0.02);
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.schedule-table tbody tr {
  transition: var(--transition-smooth);
}

.schedule-table tbody tr:hover {
  background: rgba(139, 92, 246, 0.08);
}

.schedule-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tag-piano { background: rgba(139, 92, 246, 0.2); color: #c084fc; border: 1px solid rgba(139, 92, 246, 0.4); }
.tag-guitar { background: rgba(236, 72, 153, 0.2); color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.4); }
.tag-violin { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.tag-ukulele { background: rgba(6, 182, 212, 0.2); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.4); }
.tag-drums { background: rgba(245, 158, 11, 0.2); color: #fb923c; border: 1px solid rgba(245, 158, 11, 0.4); }

/* Form Control Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  background: rgba(5, 6, 15, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  background: rgba(12, 13, 33, 0.9);
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.2);
}

/* Auth Modal Overlay & Box */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 4, 9, 0.9);
  backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  width: 100%;
  max-width: 450px;
  transform: scale(0.9) translateY(30px);
  transition: var(--transition-bounce);
  position: relative;
}

.modal-overlay.active .modal-box {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  color: var(--text-main);
  transform: rotate(90deg);
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: 25px;
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
}

.auth-tab.active {
  color: var(--text-main);
  text-shadow: 0 0 8px var(--primary-glow);
}

.auth-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.auth-form {
  display: none;
  flex-direction: column;
  gap: 20px;
}

.auth-form.active {
  display: flex;
}

/* View State Wrappers */
.app-view {
  display: none;
}

.app-view.active {
  display: block;
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* PORTAL UI LAYOUTS */
.portal-layout {
  padding-top: 140px;
  min-height: 100vh;
}

.portal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}

/* Approval & Requests Dynamic Cards */
.request-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  transition: var(--transition-smooth);
}

.request-card:hover {
  background: rgba(139, 92, 246, 0.05);
  border-color: rgba(139, 92, 246, 0.2);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.request-actions {
  display: flex;
  gap: 10px;
}

/* Real-time App Notification Badge UI */
.notify-bell-container {
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.notify-bell-container:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--accent);
}

.notify-badge-pulse {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  background: var(--secondary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--secondary-glow);
  animation: pulse-pin 1.5s infinite;
}

/* Toast System Container */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 1000;
}

.toast {
  background: rgba(12, 13, 33, 0.95);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  color: var(--text-main);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  gap: 15px;
  transform: translateY(30px);
  opacity: 0;
  animation: toast-in 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  max-width: 380px;
}

.toast-success { border-left: 4px solid var(--success); box-shadow: 0 5px 25px rgba(16, 185, 129, 0.2); }
.toast-info { border-left: 4px solid var(--accent); box-shadow: 0 5px 25px rgba(6, 182, 212, 0.2); }
.toast-error { border-left: 4px solid #ef4444; box-shadow: 0 5px 25px rgba(239, 68, 68, 0.2); }

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  margin-left: auto;
  font-weight: bold;
  font-size: 1.1rem;
}

/* Keyframe Core Animations */
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-note {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 10px var(--primary-glow)); }
  50% { transform: scale(1.08); filter: drop-shadow(0 0 25px var(--secondary-glow)); }
}

@keyframes pulse-pin {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(236, 72, 153, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(236, 72, 153, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(236, 72, 153, 0); }
}

@keyframes toast-in {
  to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes shimmer {
  from { filter: hue-rotate(0deg); }
  to { filter: hue-rotate(45deg); }
}

/* Footer Section */
footer {
  background: rgba(3, 4, 9, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 30px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media(max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content h1 { font-size: 3rem; }
  .hero-btns { justify-content: center; }
  .portal-header { flex-direction: column; text-align: center; }
}