@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
  --bg-light: #f5f5f5;
  --bg-card: #ffffff;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  --shadow: rgba(0, 0, 0, 0.08);
}

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

body {
  background-color: var(--bg-light);
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  min-height: 100vh;
}

.app-wrapper {
  min-height: 100vh;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ===== CARD ===== */
.app-card {
  width: 100%;
  max-width: 480px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: 0 10px 30px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px var(--shadow);
}

.card-body {
  padding: 2rem;
}

/* ===== TYPOGRAPHY ===== */
h3,
h4 {
  color: var(--text-main);
  font-weight: 700;
}

.text-primary {
  color: var(--primary) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

/* ===== FORMS ===== */
.form-control,
.form-select {
  background-color: #f9fafb;
  border: 2px solid var(--border-color);
  color: var(--text-main);
  padding: 12px 18px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
  background-color: #ffffff;
  border-color: var(--primary);
  color: var(--text-main);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  outline: none;
}

.form-control::file-selector-button {
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 6px 14px;
  font-weight: 600;
  margin-right: 10px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.form-control::file-selector-button:hover {
  background-color: var(--primary-hover);
}

/* ===== SLIDER ===== */
.form-range {
  height: 6px;
  background: #e5e7eb;
  border-radius: 10px;
  outline: none;
}

.form-range::-webkit-slider-thumb {
  width: 20px;
  height: 20px;
  background: var(--primary);
  border: 2px solid white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
  transition: all 0.2s ease;
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(99, 102, 241, 0.5);
}

.form-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--primary);
  border: 2px solid white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
  transition: all 0.2s ease;
}

.form-range::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(99, 102, 241, 0.5);
}

/* ===== BUTTONS ===== */
.btn-primary {
  background-color: var(--primary);
  color: white;
  border: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}

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

.btn-outline-primary {
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  transition: all 0.2s ease;
}

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

/* ===== NAV PILLS ===== */
.nav-pills .nav-link {
  color: var(--text-muted);
  border-radius: 12px;
  padding: 10px 20px;
  font-weight: 600;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.nav-pills .nav-link.active {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.nav-pills .nav-link:hover:not(.active) {
  background-color: #f3f4f6;
  color: var(--text-main);
  border-color: var(--border-color);
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loading-card {
  background: white;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 2.5rem;
  border-radius: 20px;
  width: 300px;
  box-shadow: 0 15px 40px var(--shadow);
}

.spinner-border {
  border-color: var(--primary);
  border-right-color: transparent;
}

.progress {
  background-color: #e5e7eb;
  border-radius: 10px;
  overflow: hidden;
  height: 6px;
}

.progress-bar {
  background-color: var(--primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .app-wrapper {
    padding: 15px;
  }

  .app-card {
    max-width: 100%;
    border-radius: 16px;
  }

  .card-body {
    padding: 1.5rem;
  }

  h3 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .card-body {
    padding: 1.25rem;
  }

  .nav-pills .nav-link {
    padding: 8px 14px;
    font-size: 14px;
  }

  .loading-card {
    width: 280px;
    padding: 2rem;
  }
}


:root {
  --bg-light: #f8f9fa;
  --bg-card: #ffffff;
  --primary: #8b5cf6;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow: rgba(100, 116, 139, 0.1);
}

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

body {
  background: linear-gradient(135deg, #fef3c7 0%, #dbeafe 50%, #ede9fe 100%);
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Playful floating shapes */
body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  z-index: 0;
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

body::before {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3), transparent);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

body::after {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent);
  bottom: -150px;
  right: -150px;
  animation-delay: 2s;
}

.app-wrapper {
  min-height: 100vh;
  padding: 20px;
  position: relative;
  z-index: 1;
}

/* ===== GLASS CARD ===== */
.app-card {
  width: 100%;
  max-width: 480px;
  border-radius: 32px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 20px 50px var(--shadow),
    0 0 0 1px rgba(139, 92, 246, 0.1);
  transition: transform 0.3s ease;
  position: relative;
}

.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 32px;
  padding: 2px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(6, 182, 212, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.app-card:hover {
  transform: translateY(-5px);
  box-shadow:
    0 30px 60px var(--shadow),
    0 0 0 1px rgba(139, 92, 246, 0.2);
}

.card-body {
  padding: 2.5rem;
}

/* ===== TYPOGRAPHY ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.text-muted {
  color: var(--text-muted) !important;
}

/* ===== FORMS ===== */
.form-control,
.form-select {
  background-color: #f8fafc;
  border: 2px solid var(--border-color);
  color: var(--text-main);
  padding: 14px 20px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
  background-color: #ffffff;
  border-color: var(--primary);
  color: var(--text-main);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
  transform: scale(1.02);
}

.form-control::file-selector-button {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  border-radius: 12px;
  padding: 8px 16px;
  font-weight: 600;
  margin-right: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-control::file-selector-button:hover {
  filter: brightness(1.1);
  transform: scale(1.05);
}

/* ===== SLIDER ===== */
.form-range {
  height: 8px;
  background: linear-gradient(to right, #dbeafe, #c7d2fe, #e9d5ff);
  border-radius: 10px;
  outline: none;
}

.form-range::-webkit-slider-thumb {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: 3px solid white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
  transition: all 0.3s ease;
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.6);
}

.form-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: 3px solid white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
  transition: all 0.3s ease;
}

.form-range::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.6);
}

/* ===== BUTTONS ===== */
.btn-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.btn-gradient:hover::before {
  left: 100%;
}

.btn-gradient:hover {
  filter: brightness(1.1);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 30px rgba(139, 92, 246, 0.4);
}

.btn-gradient:active {
  transform: translateY(0) scale(0.98);
}

.btn-outline-light {
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline-light:hover {
  background: var(--primary);
  color: white;
  transform: scale(1.05);
}

/* ===== NAV PILLS ===== */
.nav-pills .nav-link {
  color: var(--text-muted);
  border-radius: 50px;
  padding: 10px 24px;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid transparent;
}

.nav-pills .nav-link.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.nav-pills .nav-link:hover:not(.active) {
  background-color: #f1f5f9;
  color: var(--text-main);
  border-color: var(--border-color);
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(248, 249, 250, 0.95);
  backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loading-card {
  background: white;
  border: 2px solid var(--border-color);
  color: var(--text-main);
  padding: 3rem;
  border-radius: 24px;
  width: 320px;
  box-shadow: 0 20px 50px var(--shadow);
}

.spinner-border {
  border-color: var(--primary);
  border-right-color: transparent;
}

.progress {
  background-color: #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
  height: 8px;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

/* ===== ANIMATIONS ===== */
@keyframes float {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.7;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .app-wrapper {
    padding: 15px;
  }

  .app-card {
    max-width: 100%;
    border-radius: 24px;
  }

  .card-body {
    padding: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .btn-gradient {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .card-body {
    padding: 1.5rem;
  }

  .nav-pills .nav-link {
    padding: 8px 16px;
    font-size: 14px;
  }

  .loading-card {
    width: 280px;
    padding: 2rem;
  }
}

/* Fun emoji animations */
#doneCard span {
  display: inline-block;
  animation: bounce 1s ease infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-10px) scale(1.1);
  }
}