:root {
  --google-blue: #4285F4;
  --google-red: #EA4335;
  --google-yellow: #FBBC05;
  --google-green: #34A853;
  --bg-color: #f8f9fa;
  --card-bg: #ffffff;
  --text-main: #202124;
  --text-secondary: #5f6368;
  --border-color: #dadce0;
  --shadow-sm: 0 1px 2px 0 rgba(60,64,67,.3), 0 1px 3px 1px rgba(60,64,67,.15);
  --shadow-md: 0 1px 3px 0 rgba(60,64,67,.3), 0 4px 8px 3px rgba(60,64,67,.15);
}

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

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

/* Google Style Header */
.google-header {
  width: 100%;
  padding: 20px;
  background-color: #fff;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-container {
  font-size: 24px;
  font-weight: 500;
}

.g-blue { color: var(--google-blue); }
.g-red { color: var(--google-red); }
.g-yellow { color: var(--google-yellow); }
.g-green { color: var(--google-green); }

.container {
  max-width: 800px;
  width: 90%;
  padding: 40px 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
  align-items: center;
}

/* Material Design Card */
.card {
  background-color: var(--card-bg);
  border-radius: 28px; /* Material 3 Style */
  box-shadow: var(--shadow-sm);
  width: 100%;
  max-width: 500px;
  padding: 30px;
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* Player Styles */
.player-card {
  text-align: center;
}

.img-container {
  width: 240px;
  height: 240px;
  margin: 0 auto 24px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.info-container h2 {
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 4px;
}

.info-container h3 {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 24px;
}

.progress-container {
  background-color: #e8eaed;
  height: 4px;
  border-radius: 2px;
  cursor: pointer;
  margin-bottom: 8px;
}

.progress {
  background-color: var(--google-blue);
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 0.1s linear;
}

.duration-wrapper {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.player-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

.icon-btn {
  background: none;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  color: var(--text-main);
  transition: background-color 0.2s;
}

.icon-btn:hover {
  background-color: #f1f3f4;
}

.play-btn {
  background-color: var(--google-blue);
  color: white;
  width: 64px;
  height: 64px;
}

.play-btn:hover {
  background-color: #1a73e8;
  box-shadow: 0 1px 3px 1px rgba(66,133,244,.15), 0 1px 2px 0 rgba(66,133,244,.3);
}

.play-btn .material-icons-outlined {
  font-size: 32px;
}

/* Form Styles */
.form-card .card-header {
  margin-bottom: 24px;
}

.form-card h2 {
  font-size: 22px;
  font-weight: 500;
}

.form-card p {
  color: var(--text-secondary);
  font-size: 14px;
}

.google-form .form-field {
  margin-bottom: 20px;
}

.google-form label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}

.google-form input,
.google-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.google-form input:focus,
.google-form textarea:focus {
  outline: none;
  border-color: var(--google-blue);
  box-shadow: 0 0 0 2px rgba(66,133,244,0.1);
}

.submit-btn {
  width: 100%;
  padding: 12px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, box-shadow 0.2s;
}

.google-blue-btn {
  background-color: var(--google-blue);
  color: white;
}

.google-blue-btn:hover {
  background-color: #1a73e8;
  box-shadow: var(--shadow-sm);
}