`public/css/login.css`

317 lines
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  --bg-dark: #0a0a0a;
  --bg-card: #111111;
  --bg-input: #151515;
  --text-white: #ffffff;
  --text-gray: #9ca3af;
  --text-dark-gray: #6b7280;
  --primary: #ec4899;
  --primary-hover: #db2777;
  --secondary: #8b5cf6;
  --border: rgba(255, 255, 255, 0.06);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --glow: 0 0 40px rgba(236, 72, 153, 0.4);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-white);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 30% 30%, rgba(236, 72, 153, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.12) 0%, transparent 40%);
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(3deg); }
  66% { transform: translate(-20px, 20px) rotate(-3deg); }
}

.login-container {
  width: 100%;
  max-width: 460px;
  padding: 24px;
  position: relative;
  z-index: 1;
  animation: fadeIn 0.6s ease;
}

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

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 56px 48px;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.login-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

.logo-section {
  text-align: center;
  margin-bottom: 48px;
}

.logo-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  box-shadow: var(--glow);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: var(--glow);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(236, 72, 153, 0.6);
  }
}

.app-title {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.app-subtitle {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-dark-gray);
  text-transform: uppercase;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 40px 0;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-gray);
  text-transform: uppercase;
}

.form-group input {
  width: 100%;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 500;
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: 14px;
  color: var(--text-white);
  outline: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Inter', sans-serif;
}

.form-group input::placeholder {
  color: var(--text-dark-gray);
}

.form-group input:focus {
  border-color: var(--primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.1), 0 0 30px rgba(236, 72, 153, 0.2);
  transform: translateY(-2px);
}

.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 12px;
  color: #fca5a5;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  display: none;
  animation: shake 0.5s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.error-message.show {
  display: block;
}

.login-button {
  width: 100%;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-white);
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border: none;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(236, 72, 153, 0.4);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
}

.login-button::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 0.6s;
}

.login-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(236, 72, 153, 0.6);
}

.login-button:hover::before {
  left: 100%;
}

.login-button:active {
  transform: translateY(0);
}

.login-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.loader {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--text-white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.footer-text {
  text-align: center;
  margin-top: 40px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dark-gray);
  letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 600px) {
  .login-container {
    padding: 16px;
  }

  .login-box {
    padding: 40px 32px;
    border-radius: 24px;
  }

  .logo-icon {
    width: 64px;
    height: 64px;
    font-size: 32px;
  }

  .app-title {
    font-size: 32px;
  }

  .app-subtitle {
    font-size: 11px;
  }
}