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

:root {
  /* Light Theme Colors (matches landing.css) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #010307;
  --text-secondary: #16a34a;
  --text-tertiary: #4b5563;
  --border-color: #e2e8f0;
  --accent-primary: #16a34a;
  --accent-secondary: #15803d;
  --accent-hover: #15803d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --gradient: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  --success: #16a34a;
  --error: #ef4444;
  --warning: #f59e0b;
  --font-size-base: clamp(1rem, 0.4vw + 0.875rem, 1.125rem);
  --container-max-width: 1200px;

  /* Auth specific overrides/additions */
  --primary-green: #16a34a;
  --bg-gradient: var(--gradient);
}

[data-theme="dark"] {
  /* Dark Theme Colors (matches landing.css) */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #1a1a1a;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #a3f8b8;
  --border-color: #2a2a2a;
  --accent-primary: #22863b;
  --accent-secondary: #67c089;
  --accent-hover: #22d631;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================================================
   Navbar (copied from landing.css)
   ============================================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  transition: background-color 0.3s ease;
}

@supports (backdrop-filter: blur(10px)) {
  .navbar {
    background: color-mix(in srgb, var(--bg-primary) 80%, transparent);
    backdrop-filter: blur(12px);
  }
}

.navbar-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}

.logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
  line-height: 1;
}

.logo-subtitle {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.divider {
  width: 1px;
  height: 24px;
  background-color: var(--border-color);
}

/* Theme Toggle Button */
.theme-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  color: var(--text-secondary);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  transform: rotate(15deg);
}

.sun-icon {
  display: block;
}

.moon-icon {
  display: none;
}

[data-theme="dark"] .sun-icon {
  display: none;
}

[data-theme="dark"] .moon-icon {
  display: block;
}

/* Hamburger Menu */
.hamburger-menu {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.hamburger-menu:hover {
  background: var(--bg-secondary);
}

/* Mobile Menu */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 999;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.btn-login-mobile,
.btn-register-mobile,
.btn-logout-mobile {
  width: 100%;
  padding: 0.75rem;
  text-align: center;
  border-radius: 0.5rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-register-mobile {
  background: var(--gradient);
  color: white;
  border: none;
}

/* ============================================================================
   Auth Card Centering
   ============================================================================ */
.auth-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--bg-gradient);
}

.center {
  width: 100%;
  max-width: 450px;
  background: var(--bg-primary);
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  padding: 40px;
  animation: slideUp 0.6s ease-out;
}

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

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

.center h1 {
  text-align: center;
  font-size: clamp(1.5rem, 5vw, 2rem);
  color: var(--text-primary);
  margin-bottom: 30px;
  font-weight: 700;
}

form .txt_field {
  position: relative;
  margin-bottom: 25px;
}

.txt_field input {
  width: 100%;
  padding: 12px 16px;
  padding-top: 24px;
  font-size: 16px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  outline: none;
  transition: all 0.3s ease;
  color: var(--text-primary);
}

.txt_field label {
  position: absolute;
  top: 50%;
  left: 16px;
  color: var(--text-tertiary);
  transform: translateY(-50%);
  font-size: 16px;
  pointer-events: none;
  transition: all 0.3s ease;
}

.txt_field input:focus,
.txt_field input:valid {
  border-color: var(--accent-primary);
  background: var(--bg-primary);
}

.txt_field input:focus~label,
.txt_field input:valid~label {
  top: 12px;
  font-size: 12px;
  color: var(--accent-primary);
  font-weight: 600;
}

input[type="submit"] {
  width: 100%;
  height: 52px;
  border: none;
  background: var(--gradient);
  border-radius: 10px;
  font-size: 18px;
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 10px;
  box-shadow: var(--shadow-md);
}

input[type="submit"]:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.login-with-google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 12px;
  margin-top: 15px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.login-with-google-btn:hover {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
}

.signup_link {
  margin-top: 30px;
  text-align: center;
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

.signup_link a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
}

.signup_link a:hover {
  text-decoration: underline;
}

.messages {
  margin-bottom: 20px;
}

.message-item {
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 10px;
  font-size: 14px;
  text-align: center;
  font-weight: 500;
}

.message-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid var(--error);
}

.message-info {
  background: rgba(16, 163, 74, 0.1);
  color: var(--success);
  border: 1px solid var(--success);
}

@media (max-width: 768px) {
  .hamburger-menu {
    display: block;
  }
}

@media (max-width: 480px) {
  .center {
    padding: 30px 20px;
    border-radius: 12px;
  }
}