/* ==================== ROOT VARIABLES ==================== */
:root {
  --primary-gradient: linear-gradient(135deg, #8e2de2, #4a00e0);
  --accent-gradient: linear-gradient(135deg, #ff758c, #ff7eb3);
  --success-gradient: linear-gradient(135deg, #43e97b, #38f9d7);
  --light-bg: #f9f9ff;
  --bg-light: #f9f9ff;
  --text-color: #222;
  --radius: 20px;
  --shadow: 0 6px 25px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
}

/* ==================== GLOBAL STYLES ==================== */
body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #8e2de2 0%, #4a00e0 40%, #ff7eb3 100%);
  background-attachment: fixed;
  color: #222;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Landing page body layout */
body.landing-page {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* ==================== FLOATING HEARTS ==================== */
.heart {
  position: absolute;
  color: rgba(255,255,255,0.3);
  font-size: 18px;
  animation: float 18s linear infinite;
}

@keyframes float {
  from { transform: translateY(100vh) scale(0.8); opacity: 0; }
  20% { opacity: 0.3; }
  80% { opacity: 0.3; }
  to { transform: translateY(-10vh) scale(1.2); opacity: 0; }
}

.hearts-layer {
  position: fixed;
  top: 0; 
  left: 0;
  width: 100%; 
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== MAIN DASHBOARD STYLES ==================== */
.dashboard-container {
  max-width: 850px;
  margin: 6rem auto 3rem;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(25px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem;
  animation: fadeIn 0.8s ease;
}

.dashboard-container h1 {
  text-align: center;
  font-weight: 700;
  font-size: 2rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.dashboard-container section {
  margin-top: 2rem;
}

.dashboard-container h2 {
  font-weight: 600;
  font-size: 1.3rem;
  color: #4a00e0;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-check-input {
  accent-color: #8e2de2;
}

.alert {
  border-radius: var(--radius);
  font-weight: 500;
}

/* Got Me Now Button */
#gotMeBtn {
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 0.8rem 1.5rem;
  font-weight: 600;
  transition: var(--transition);
}

#gotMeBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,120,180,0.4);
}

/* Message Form Styles */
textarea, input[type="text"] {
  border: 2px solid rgba(142,45,226,0.1);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  width: 100%;
  transition: var(--transition);
  margin-bottom: 1rem;
}

textarea:focus, input[type="text"]:focus {
  outline: none;
  border-color: #8e2de2;
  box-shadow: 0 0 0 .2rem rgba(142,45,226,0.15);
}

button[type="submit"] {
  background: var(--primary-gradient);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 0.8rem 1.5rem;
  font-weight: 600;
  transition: var(--transition);
}

button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(142,45,226,0.3);
}

/* Message List Styles */
#receivedMessages ul {
  list-style: none;
  padding: 0;
}

#receivedMessages li {
  background: rgba(255,255,255,0.8);
  border-left: 5px solid #8e2de2;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

#receivedMessages li:hover {
  transform: translateX(5px);
  background: #fff;
  box-shadow: var(--shadow);
}

/* ==================== LOGIN PAGE STYLES ==================== */
.login-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(25px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 420px;
  animation: fadeInUp 0.8s ease forwards;
  transform: translateY(20px);
  opacity: 0;
}

.app-logo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
  box-shadow: 0 10px 30px rgba(142,45,226,0.3);
  margin: 0 auto 1rem;
}

.login-card h1 {
  font-weight: 700;
  font-size: 2rem;
  text-align: center;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.login-card p.subtitle {
  text-align: center;
  color: #777;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.login-card .form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: #444;
}

.input-group-text {
  background: var(--accent-gradient);
  color: #fff;
  border: none;
}

.form-control {
  border: 2px solid rgba(142,45,226,0.15);
  border-radius: 12px;
  transition: var(--transition);
  padding: 0.8rem 1rem;
}

.form-control:focus {
  border-color: #8e2de2;
  box-shadow: 0 0 0 .2rem rgba(142,45,226,0.2);
}

.login-btn {
  background: var(--accent-gradient);
  border: none;
  color: #fff;
  border-radius: 12px;
  padding: 0.9rem 1.2rem;
  font-weight: 600;
  width: 100%;
  transition: var(--transition);
  margin-top: 0.5rem;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,120,180,0.4);
}

.footer-note {
  text-align: center;
  color: #999;
  font-size: 0.85rem;
  margin-top: 1.5rem;
}

/* ==================== LAYOUT NAVBAR STYLES ==================== */
.navbar {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.4rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.navbar .nav-link {
  color: #333;
  font-weight: 500;
  margin-left: 1rem;
  transition: var(--transition);
}

.navbar .nav-link:hover {
  color: #8e2de2;
  transform: translateY(-2px);
}

.welcome-text {
  font-weight: 500;
  color: #555;
  background: rgba(255, 255, 255, 0.6);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius);
  margin-right: 1rem;
}

main {
  position: relative;
  z-index: 2;
  padding: 5rem 1rem 2rem;
  animation: fadeIn 0.6s ease-out;
}

footer {
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  padding: 1rem 0;
  margin-top: 3rem;
}

/* ==================== TOAST STYLES ==================== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  min-width: 220px;
  max-width: 90vw;
  background: #222;
  color: #fff;
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 1.1em;
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
  transition: opacity 0.4s, bottom 0.4s;
  box-shadow: 0 2px 16px rgba(0,0,0,0.18);
}

.toast.show {
  opacity: 1;
  bottom: 60px;
  pointer-events: auto;
}

.toast-success { background: #28a745; }
.toast-error { background: #dc3545; }
.toast-info { background: #007bff; }