@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap");

:root {
  --primary-bg: #0d0b21;
  --secondary-bg: #1a1535;
  --accent-color: #a855f7;
  --accent-gradient-start: #6366f1;
  --accent-gradient-end: #d946ef;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --border-color: #2e2258;
  
  --font-primary: "Inter", sans-serif;
  --font-heading: "Poppins", sans-serif;
  
  --transition-base: all 0.3s ease;
  --transition-fast: all 0.15s ease;
  
  --bs-body-font-family: var(--font-primary);
  --bs-heading-font-family: var(--font-heading);
  --bs-body-bg: var(--primary-bg);
  --bs-body-color: var(--text-primary);
  --bs-border-color: var(--border-color);
  --bs-danger: var(--danger);
  --bs-success: var(--success);
  --bs-warning: var(--warning);
}

/* BASE STYLES */
body {
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background-color: var(--accent-color);
  color: var(--primary-bg);
}

.app-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 2rem 1rem;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
}

.auth-title {
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
  background: linear-gradient(90deg, var(--accent-gradient-start), var(--accent-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-title::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 4px;
  left: 0;
  bottom: -8px;
  background: linear-gradient(90deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border-radius: 2px;
}

/* CARDS & CONTAINERS */
.auth-card, .home-card {
  background: linear-gradient(145deg, rgba(26, 21, 53, 0.9), rgba(26, 21, 53, 0.7));
  border-radius: 1rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  padding: 2rem;
  margin-bottom: 2rem;
  transition: var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.auth-card:hover, .home-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  transform: translateY(-5px);
}

/* LOGO & BRANDING */
.logo-container {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto;
  margin-bottom: 1rem;
}

.auth-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 2;
}

.logo-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  filter: blur(20px);
  opacity: 0.5;
  border-radius: 50%;
  z-index: 1;
  animation: pulse 3s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.5; }
  50% { transform: scale(1.05); opacity: 0.8; }
  100% { transform: scale(0.95); opacity: 0.5; }
}

/* AUTH COMPONENTS */
.auth-tabs {
  display: flex;
  margin-bottom: 2rem;
  border-radius: 0.75rem;
  overflow: hidden;
  background-color: rgba(13, 11, 33, 0.6);
  border: 1px solid var(--border-color);
  position: relative;
  padding: 0.25rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: var(--transition-base);
  font-weight: 500;
  color: var(--text-secondary);
  border: none;
  background: transparent;
  position: relative;
  z-index: 2;
  border-radius: 0.5rem;
  outline: none;
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-tab.active {
  color: var(--primary-bg);
  font-weight: 600;
}

.auth-tabs::before {
  content: '';
  position: absolute;
  top: 0.25rem;
  left: 0.25rem;
  width: calc(50% - 0.5rem);
  height: calc(100% - 0.5rem);
  background: linear-gradient(90deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border-radius: 0.5rem;
  transition: transform 0.3s ease;
  z-index: 1;
}

.auth-tabs.signup-active::before {
  transform: translateX(100%);
}

.auth-content {
  display: none;
}

.auth-content.active {
  display: block;
}


.form-group {
  margin-bottom: 1.5rem;
}

.input-with-icon {
  position: relative;
}

.icon-left {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  z-index: 2;
}

.custom-input {
  height: 50px;
  background-color: rgba(13, 11, 33, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  padding-left: 45px;
  transition: var(--transition-base);
}

.custom-input::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

.custom-input:focus {
  background-color: rgba(13, 11, 33, 0.8);
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.25rem rgba(168, 85, 247, 0.25);
  color: var(--text-primary);
}

.invalid-feedback {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  padding-left: 0.5rem;
}

.btn-submit {
  background: linear-gradient(90deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border: none;
  color: var(--primary-bg);
  font-weight: 600;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-submit:hover, .btn-submit:focus {
  background: linear-gradient(90deg, #5558e0, #c835e0);
  color: var(--primary-bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.4);
}

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

.btn-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.7s;
}

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

.home-header {
  text-align: center;
  margin-bottom: 2rem;
}

.user-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary-bg);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
}

.welcome-text {
  margin-bottom: 0.5rem;
}

.user-name {
  color: var(--accent-color);
  font-weight: 700;
}

.success-message {
  color: var(--text-secondary);
}

.home-content {
  margin-bottom: 2rem;
  background-color: rgba(13, 11, 33, 0.6);
  border-radius: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.account-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.info-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background-color: rgba(168, 85, 247, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  font-size: 1.25rem;
}

.info-details {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.info-value {
  color: var(--text-primary);
  font-weight: 500;
}

@media (max-width: 767.98px) {
  .auth-card, .home-card {
    padding: 1.5rem;
  }
  
  .logo-container {
    width: 60px;
    height: 60px;
  }
  
  .auth-title {
    font-size: 1.5rem;
  }
  
  .user-avatar {
    width: 80px;
    height: 80px;
    font-size: 2.5rem;
  }
}

.d-none {
  display: none !important;
}