/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #060b18;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-focus: rgba(99,179,237,0.6);

  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;

  --text-primary: #f0f6ff;
  --text-secondary: #8ba3c7;
  --text-muted: #4a6080;

  --gradient-main: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
  --gradient-glow: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));

  --shadow-card: 0 25px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
  --shadow-btn: 0 8px 32px rgba(59,130,246,0.35);

  --radius-card: 24px;
  --radius-input: 12px;
  --radius-btn: 12px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== ANIMATED BACKGROUND ===== */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(59,130,246,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 80%, rgba(139,92,246,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(6,182,212,0.05) 0%, transparent 70%);
  animation: bgShift 12s ease-in-out infinite alternate;
}
@keyframes bgShift {
  0%   { opacity: 1; transform: scale(1); }
  100% { opacity: 0.8; transform: scale(1.05); }
}

/* Floating orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}
.orb-1 {
  width: 400px; height: 400px;
  background: rgba(59,130,246,0.12);
  top: -100px; left: -100px;
  animation-duration: 10s;
}
.orb-2 {
  width: 300px; height: 300px;
  background: rgba(139,92,246,0.10);
  bottom: -50px; right: -50px;
  animation-duration: 14s;
  animation-delay: -4s;
}
.orb-3 {
  width: 200px; height: 200px;
  background: rgba(236,72,153,0.08);
  top: 50%; left: 50%;
  animation-duration: 18s;
  animation-delay: -8s;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -20px) scale(1.05); }
  66%       { transform: translate(-20px, 30px) scale(0.95); }
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 3rem;
  background: rgba(6,11,24,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  animation: slideDown 0.6s ease-out;
}
@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
}
.logo-icon { font-size: 1.4rem; }
.logo-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-nav-login {
  padding: 0.55rem 1.4rem;
  background: transparent;
  border: 1px solid var(--border-focus);
  color: var(--accent-blue);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.btn-nav-login:hover {
  background: rgba(59,130,246,0.12);
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

/* ===== LANDING PAGE ===== */
.landing {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 11rem 2rem 6rem;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeUp 0.8s ease-out;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-bottom: 2rem;
  animation: pulse-badge 3s ease-in-out infinite;
}
@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0.2); }
  50%       { box-shadow: 0 0 0 8px rgba(59,130,246,0); }
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}
.gradient-text {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.highlight-text {
  background: linear-gradient(135deg, #f472b6, #fb923c);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
  padding: 1.2rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(12px);
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  display: block;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  background: var(--gradient-main);
  color: white;
  border: none;
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-btn);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(59,130,246,0.45); }
.btn-primary:hover::before { opacity: 0.1; }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.9rem 2rem;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(12px);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

/* ===== INFO SECTION ===== */
.info-section {
  padding: 4rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.info-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
  transition: var(--transition);
  animation: fadeUp 0.8s ease-out;
}
.info-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.info-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.info-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}
.info-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

/* ===== MODAL OVERLAY ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ===== MODAL CARD ===== */
.modal-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: linear-gradient(145deg, #0d1526, #111827);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-card);
  padding: 2.8rem 2.5rem;
  box-shadow: var(--shadow-card), 0 0 80px rgba(59,130,246,0.08);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
  overflow: hidden;
}
.modal-card::before {
  content: '';
  position: absolute;
  top: -1px; left: 30%; right: 30%;
  height: 2px;
  background: var(--gradient-main);
  border-radius: 999px;
}
.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  width: 32px; height: 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

.modal-header { text-align: center; margin-bottom: 2rem; }
.modal-logo {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: inline-block;
  animation: spinOnce 0.5s ease-out;
}
@keyframes spinOnce {
  from { transform: rotate(-30deg) scale(0.8); opacity: 0; }
  to   { transform: rotate(0deg)  scale(1);   opacity: 1; }
}
.modal-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}
.modal-subtitle { font-size: 0.88rem; color: var(--text-muted); }

/* ===== LOGIN FORM ===== */
.login-form { display: flex; flex-direction: column; gap: 1.2rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); }

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition);
}
.form-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus {
  border-color: var(--border-focus);
  background: rgba(59,130,246,0.06);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}
.form-input:focus + .input-icon { color: var(--accent-blue); }
.form-group:focus-within .input-icon { color: var(--accent-blue); }

.toggle-password {
  position: absolute;
  right: 0.8rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.3rem;
  display: flex;
  align-items: center;
  transition: var(--transition);
}
.toggle-password:hover { color: var(--text-secondary); }
.eye-icon { display: block; }
.eye-icon.hidden { display: none; }

.form-error {
  font-size: 0.78rem;
  color: #f87171;
  min-height: 1rem;
  display: block;
  padding-left: 0.2rem;
}

.form-input.error-input {
  border-color: rgba(248,113,113,0.5) !important;
  box-shadow: 0 0 0 3px rgba(248,113,113,0.1) !important;
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  user-select: none;
}
.checkbox-label input[type="checkbox"] { display: none; }
.checkbox-custom {
  width: 18px; height: 18px;
  border: 1px solid var(--border);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  background: rgba(255,255,255,0.03);
}
.checkbox-label input:checked ~ .checkbox-custom {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}
.checkbox-custom::after {
  content: '✓';
  font-size: 0.7rem;
  color: white;
  opacity: 0;
  transition: var(--transition);
}
.checkbox-label input:checked ~ .checkbox-custom::after { opacity: 1; }

.forgot-link {
  font-size: 0.85rem;
  color: var(--accent-blue);
  text-decoration: none;
  transition: var(--transition);
}
.forgot-link:hover { color: #60a5fa; text-decoration: underline; }

/* ===== LOGIN BUTTON ===== */
.btn-login {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem;
  background: var(--gradient-main);
  color: white;
  border: none;
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-btn);
  margin-top: 0.5rem;
  position: relative;
  overflow: hidden;
}
.btn-login::before {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: var(--transition);
}
.btn-login:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(59,130,246,0.5); }
.btn-login:hover::before { opacity: 0.08; }
.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.btn-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== ALERT BOX ===== */
.alert-box {
  padding: 0.8rem 1rem;
  border-radius: 10px;
  font-size: 0.88rem;
  text-align: center;
  animation: fadeUp 0.3s ease;
}
.alert-box.error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5;
}
.alert-box.success {
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: #86efac;
}

/* ===== DASHBOARD ===== */
.dashboard {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}
.dash-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 3rem;
  background: rgba(6,11,24,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.dash-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: white;
}
.user-email-display { font-size: 0.88rem; color: var(--text-secondary); }
.btn-logout {
  padding: 0.45rem 1.1rem;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-logout:hover { background: rgba(239,68,68,0.2); }

.dash-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 6rem 2rem;
  text-align: center;
  animation: fadeUp 0.6s ease-out;
}
.dash-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}
.dash-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.dash-card {
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
}
.dash-card-icon { font-size: 3rem; margin-bottom: 1rem; }
.dash-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.6rem; }
.dash-card p { color: var(--text-secondary); line-height: 1.7; }

/* ===== UTILITY ===== */
.hidden { display: none !important; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar { padding: 1rem 1.5rem; }
  .hero { padding: 8rem 1.5rem 4rem; }
  .hero-title { font-size: 2rem; }
  .hero-stats {
    flex-direction: column;
    gap: 1.2rem;
  }
  .stat-divider { width: 60px; height: 1px; }
  .dash-nav { padding: 1rem 1.5rem; }
  .user-email-display { display: none; }
  .modal-card { padding: 2rem 1.5rem; }
}