@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

/* Base Styles */
:root {
  --primary-color: #034f84;
  --secondary-color: #f8c537;
  --text-color: #333;
  --bg-color: #ffffff;
  --card-bg: #f5f5f5;
  --header-bg: rgba(255, 255, 255, 0.98);
  --footer-bg: #2c3e50;
  --footer-text: #ecf0f1;
  --nav-link: #333;
  --nav-link-hover: #2280c4;
  --transition: all 0.3s ease;
  --border-radius: 8px;

  --elevation-1: 0 1px 3px 1px var(--shadow);
  --elevation-2: 0 2px 6px 2px var(--shadow);
  --shape-corner-large: 24px;
  --shape-corner-medium: 12px;
  --shadow: rgba(0, 0, 0, 0.15);
}

.dark-mode {
  --primary-color: #034f84;
  --secondary-color: #ffbe0b;
  --text-color: #f5f5f5;
  --bg-color: #121212;
  --card-bg: #1e1e1e;
  --header-bg: rgba(30, 30, 30, 0.98);
  --footer-bg: #121212;
  --footer-text: #e0e0e0;
  --nav-link: #f5f5f5;
  --nav-link-hover: #2280c4;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  transition: var(--transition);
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
}

header {
  display: none;
}

.login-container {
  width: 100%;
  max-width: 480px;
  perspective: 1000px;
}

.login-card {
  background: var(--text-color);
  border-radius: 10px;
  padding: 2.5rem;
  box-shadow: var(--elevation-2);
  transition: var(--transition-all);
  transform-style: preserve-3d;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, var(--primary), #034f84, #0f456b);
}

.login-card:hover {
  transform: translateY(-4px) rotateX(1deg);
  box-shadow: 0 8px 24px rgba(103, 80, 164, 0.15);
}

.login-header {
  margin-bottom: 2.5rem;
  text-align: center;
  position: relative;
}

.app-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background-color: var(--primary-color);
  color: var(--footer-text);
  border-radius: var(--shape-corner-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 500;
}

.login-title {
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--card-bg);
  margin-bottom: 0.5rem;
}

.login-subtitle {
  color: var(--bg-color);
  font-size: 0.875rem;
  font-weight: 400;
}

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

.input-container {
  position: relative;
  border: 1px solid var(--bg-color);
  border-radius: 5px;
  transition: var(--transition-all);
  background-color: transparent;
  overflow: hidden;
}

.input-container input,
.input-container select {
  color: var(--bg-color);
  background: transparent;
}

.input-container:focus-within {
  box-shadow: 0 0 0 2px var(--primary-color);
}

.input-field,
.select-field {
  width: 100%;
  padding: 1rem 1rem 0.5rem;
  border: none;
  background: transparent;
  font-size: 1rem;
  color: #1c1b1f;
  outline: none;
  height: 56px;
}

.select-field {
  padding-top: 1.2rem;
}

.input-label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--card-bg);
  font-size: 1rem;
  transition: var(--transition-all);
  pointer-events: none;
}

.input-field:focus + .input-label,
.input-field:not(:placeholder-shown) + .input-label,
.select-field:focus + .input-label,
.select-field:not([value=""]):valid + .input-label {
  transform: translateY(-0.9rem) scale(0.75);
  color: var(--primary-color);
  left: 0.75rem;
}

.password-toggle {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--outline);
  background: none;
  border: none;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle svg {
  width: 20px;
  height: 20px;
  transition: var(--transition);
  color: var(--primary-color);
}

.password-toggle:hover svg {
  color: var(--bg-color);
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: var(--shape-corner-medium);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s linear;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 40px;
}

.submit-btn:hover {
  background: #0f456b;
  box-shadow: 0 2px 8px rgba(103, 80, 164, 0.3);
}

.submit-btn svg {
  width: 20px;
  height: 20px;
}

.divider {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
  color: var(--outline);
  font-size: 0.875rem;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--surface-variant);
  margin: 0 1rem;
}

.back-btn {
  text-align: center;
  margin-top: 20px;
}

.back-btn a {
  color: var(--primary-color);
  font-weight: bold;
}

@media (max-width: 480px) {
  .login-card {
    padding: 1.5rem;
    border-radius: 16px;
  }

  .login-title {
    font-size: 1.5rem;
  }

  .social-login {
    grid-template-columns: 1fr;
  }
}