:root {
  --bg-start: #f5f7fa;
  --bg-end: #c3cfe2;
  --text-main: #333;
  --container-bg: #ffffff;
  --heading-color: #2c3e50;
  --subtitle-color: #7f8c8d;
  --input-bg: #ffffff;
  --input-border: #e0e0e0;
  --modal-bg: #fefefe;
  --marker-bg: #34495e;
}

body.dark-mode {
  --bg-start: #2c3e50;
  --bg-end: #000000;
  --text-main: #ecf0f1;
  --container-bg: #34495e;
  --heading-color: #ecf0f1;
  --subtitle-color: #bdc3c7;
  --input-bg: #2c3e50;
  --input-border: #4a6278;
  --modal-bg: #34495e;
  --marker-bg: #ecf0f1;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);
  margin: 0;
  padding: 50px 20px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  color: var(--text-main);
  box-sizing: border-box;
}

.container {
  background: var(--container-bg);
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 700px;
  transition: transform 0.3s ease;
  position: relative;
}

h1 {
  text-align: center;
  color: var(--heading-color);
  margin: 0;}

p.subtitle {
  text-align: center;
  color: var(--subtitle-color);
  margin-bottom: 1rem;
}

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

input[type="text"] {
  flex-grow: 1;
  padding: 12px 15px;
  font-size: 16px;
  border: 2px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--text-main);
  border-radius: 8px;
  transition: border-color 0.3s;
  outline: none;
}

input[type="text"]:focus {
  border-color: #3498db;
}

.button-container {
  display: flex;
  gap: 10px;
}

button {
  padding: 12px 25px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 8px;
  transition: background-color 0.3s, transform 0.1s;
}

button:hover {
  background-color: #2980b9;
}

button:active {
  transform: scale(0.98);
}

.btn-share {
  background-color: #9b59b6;
}

.btn-share:hover {
  background-color: #8e44ad;
}

.btn-clear {
  background-color: #e74c3c;
  padding: 12px 15px;
}

.btn-clear:hover {
  background-color: #c0392b;
}

.btn-reanalyze {
  background-color: #f39c12;
}

.btn-reanalyze:hover {
  background-color: #d35400;
}

.btn-retrain {
  background-color: #7f8c8d;
}

.btn-retrain:hover {
  background-color: #95a5a6;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 25px;
}

#result {
  margin-top: 25px;
  padding: 20px;
  border-radius: 10px;
  display: none;
  animation: fadeIn 0.5s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.safe {
  background-color: #e8f8f5;
  color: #27ae60;
}

.danger {
  background-color: #fdedec;
  color: #c0392b;
}

/* Risk Meter */
.risk-meter-container {
  margin: 25px 0;
  height: 20px;
  background: linear-gradient(90deg, #2ecc71 0%, #f1c40f 50%, #e74c3c 100%);
  border-radius: 10px;
  position: relative;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}

.risk-marker {
  position: absolute;
  top: -6px;
  width: 10px;
  height: 32px;
  background-color: var(--marker-bg);
  border: 2px solid #fff;
  border-radius: 3px;
  transition: left 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.risk-tooltip {
  visibility: hidden;
  width: 50px;
  background-color: #34495e;
  color: #fff;
  text-align: center;
  border-radius: 4px;
  padding: 4px 0;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -25px;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 11px;
  font-weight: bold;
}

.risk-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #34495e transparent transparent transparent;
}

.risk-marker:hover .risk-tooltip {
  visibility: visible;
  opacity: 1;
}

.risk-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85em;
  color: #7f8c8d;
  font-weight: 600;
  margin-bottom: 5px;
}

/* Feedback Section */
.feedback-section {
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  text-align: center;
}

.feedback-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 10px;
}

.btn-danger {
  background-color: #e74c3c;
}
.btn-danger:hover {
  background-color: #c0392b;
}

.btn-safe {
  background-color: #2ecc71;
}
.btn-safe:hover {
  background-color: #27ae60;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  background-color: var(--modal-bg);
  margin: 15% auto;
  padding: 30px;
  border: 1px solid #888;
  width: 80%;
  max-width: 400px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  position: relative;
  animation: slideDown 0.3s;
}

@keyframes slideDown {
  from {
    top: -50px;
    opacity: 0;
  }
  to {
    top: 0;
    opacity: 1;
  }
}

.close-btn {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  position: absolute;
  top: 10px;
  right: 20px;
  cursor: pointer;
}

.close-btn:hover,
.close-btn:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}

.theme-toggle {
  position: absolute;
  top: 30px;
  right: 20px;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform 0.2s;
}
.theme-toggle:hover {
  background: transparent;
  transform: scale(1.1);
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
  body {
    padding: 15px 10px;
  }

  .container {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.75rem;
    margin-top: 3.5rem;
  }

  .theme-toggle {
    top: 15px;
  }

  .input-group {
    flex-direction: column;
  }

  input[type="text"] {
    width: 100%;
    box-sizing: border-box;
  }

  .button-container {
    width: 100%;
  }

  .button-container button {
    flex: 1;
  }

  button {
    width: 100%;
    padding: 14px;
  }

  .feedback-buttons {
    flex-direction: column;
  }
}