:root {
  --primary: #667eea;
  --primary-dark: #556cd6;
  --primary-light: #7b8ff5;
  --bg-light: #f8f9ff;
  --text-main: #2d3748;
  --text-muted: #666;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.22);
  --radius: 16px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  color: var(--text-main);
  line-height: 1.6;
}

/* Top accent bar */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
  background-size: 200% 100%;
  animation: gradientShift 3s ease infinite;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Main container - clean white card with soft shadow */
.container {
  max-width: 720px;
  background: white;
  margin: 80px auto 30px;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: slideUp 0.5s ease;
}

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

/* Hero section */
.hero {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.hero h1 {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

/* Form styling */
.subject {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.subject input,
.subject select {
  padding: 11px 14px;
  border-radius: 10px;
  border: 2px solid #e2e8f0;
  background: #fff;
  font-size: 0.95rem;
  transition: var(--transition);
  color: var(--text-main);
}

.subject input:focus,
.subject select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.subject .name { grid-column: 1 / -1; }

#add-subject {
  background: none;
  border: 2px dashed var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  margin: 8px 0 20px;
  width: 100%;
  transition: var(--transition);
  font-size: 0.95rem;
}

#add-subject:hover {
  background: rgba(102, 126, 234, 0.08);
  border-style: solid;
}

.time-box {
  margin-bottom: 24px;
}

.time-box label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}

#time {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 2px solid #e2e8f0;
  font-size: 1.1rem;
  transition: var(--transition);
}

#time:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* Main button */
.main-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(102, 126, 234, 0.55);
}

.main-btn:active {
  transform: translateY(1px);
}

.main-btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}

.main-btn:active::after {
  width: 300px;
  height: 300px;
}

/* Result section - soft purple tint, NOT white */
.result {
  margin-top: 30px;
  padding: 24px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
  border: 1px solid rgba(102, 126, 234, 0.2);
  display: none;
  animation: resultPop 0.4s ease;
}

.result.show {
  display: block;
}

@keyframes resultPop {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.focus {
  padding: 12px 16px;
  margin-bottom: 10px;
  background: white;
  border-radius: 10px;
  border-left: 4px solid var(--primary);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.focus strong {
  color: var(--primary-dark);
}

.focus span {
  background: var(--primary-light);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.skip {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 2px dashed #e2e8f0;
  color: var(--text-muted);
  font-size: 0.95rem;
  text-align: center;
}

.skip strong {
  color: var(--warning);
}

/* ========== Cross-Link Tools Section ========== */
.more-tools-section {
  margin: 2rem 0 1rem;
  animation: fadeIn 0.6s ease 0.2s both;
}

.tools-card {
  background: white;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(102, 126, 234, 0.15);
}

.tools-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.15rem;
}

.tools-grid {
  display: grid;
  gap: 12px;
}

.tool-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-light);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-main);
  transition: var(--transition);
  border: 2px solid transparent;
}

.tool-link:hover {
  transform: translateX(4px);
  border-color: var(--primary);
  background: white;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.tool-link i {
  font-size: 1.4rem;
  color: var(--primary);
  width: 28px;
  text-align: center;
}

.tool-link strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}

.tool-link small {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ========== WhatsApp Share Section ========== */
.share-section {
  margin-top: 2rem;
  text-align: center;
  animation: fadeIn 0.6s ease 0.4s both;
}

.share-box {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: 14px;
  padding: 16px 20px;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: white;
}

.share-box i {
  font-size: 1.6rem;
}

.share-box span {
  font-size: 1rem;
  font-weight: 600;
}

.btn-share {
  background: white;
  color: #128C7E;
  border: none;
  padding: 8px 18px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
}

.btn-share:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ========== Toast Notification ========== */
.toast-notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--success), #218838);
  color: white;
  padding: 12px 20px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transform: translateX(400px);
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
}

.toast-notification.show {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

/* Footer */
.footer {
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  padding: 20px;
  margin-top: 10px;
}

.footer .credit {
  margin-top: 6px;
  font-weight: 500;
  display: block;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .subject {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .subject .name {
    grid-column: 1 / -1;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .container {
    padding: 24px;
    margin-top: 70px;
  }
  .share-box {
    flex-direction: column;
    padding: 14px;
  }
  .tool-link {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .subject {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.4rem;
  }
  .main-btn {
    padding: 12px;
    font-size: 1rem;
  }
}
/* 1. Fix the missing selector (Syntax Error in your uploaded file) */
* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* 2. Force main text to be dark */
body {
  color: #2d3748; /* Dark gray instead of inheriting purple */
}

/* 3. Make sure headings are dark */
.hero h1 {
  color: #1a202c; /* Solid dark color */
  /* Remove any background-clip or gradient text if you added it */
  background: none;
  -webkit-text-fill-color: initial;
}

/* 4. Keep the button purple (optional) or make it dark */
#add-subject {
  color: var(--primary); /* Keep purple for accent buttons */
}

/* 5. Ensure inputs have dark text */
.subject input,
.subject select,
#time {
  color: #2d3748;
}

/* ========== Cross-Link Tools Section ========== */
.more-tools-section {
  margin: 2rem 0 1rem;
}

.tools-card {
  background: white;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  border: 1px solid rgba(102, 126, 234, 0.15);
}

.tools-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
  color: #667eea;
  font-weight: 700;
  font-size: 1.1rem;
}

.tools-grid {
  display: grid;
  gap: 12px;
}

.tool-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: #f8f9ff;
  border-radius: 12px;
  text-decoration: none;
  color: #2d3748;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.tool-link:hover {
  transform: translateX(4px);
  border-color: #667eea;
  background: white;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.tool-link i {
  font-size: 1.4rem;
  color: #667eea;
  width: 28px;
  text-align: center;
}

.tool-link strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}

.tool-link small {
  color: #666;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 480px) {
  .tool-link {
    flex-direction: column;
    text-align: center;
  }
}