:root {
  --primary: #0d5db8;
  --primary-hover: #0b4e9c;
  --primary-gradient: linear-gradient(135deg, #0d5db8 0%, #1e40af 100%);
  --accent-gold: #f59e0b;
  --bg-dark: #091322;
  --bg-card: rgba(15, 23, 42, 0.75);
  --border-glass: rgba(255, 255, 255, 0.12);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --danger: #ef4444;
  --radius: 16px;
}

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

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

/* BACKGROUND GLOW EFFECTS */
.login-bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(13, 93, 184, 0.35) 0%, rgba(30, 64, 175, 0.1) 50%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
}

.login-container {
  width: 100%;
  max-width: 440px;
  padding: 24px;
  position: relative;
  z-index: 1;
}

.login-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
  animation: cardFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.logo-box {
  width: 56px;
  height: 56px;
  background: var(--primary-gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 8px 20px rgba(13, 93, 184, 0.4);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: #ffffff;
}

.brand-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #ffffff;
  margin-bottom: 4px;
}

.brand-subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.member-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 20px;
  letter-spacing: 0.5px;
}

/* ALERT ERROR */
.alert-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 20px;
  animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

.alert-box.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

/* FORM STYLES */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: #cbd5e1;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: #64748b;
  pointer-events: none;
  transition: color 0.2s;
}

.input-wrapper input {
  width: 100%;
  padding: 13px 44px 13px 44px;
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #ffffff;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: all 0.2s;
}

.input-wrapper input::placeholder {
  color: #64748b;
}

.input-wrapper input:focus {
  background: rgba(30, 41, 59, 0.95);
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.input-wrapper input:focus + .btn-toggle-pass,
.input-wrapper input:focus ~ .input-icon {
  color: #60a5fa;
}

.btn-toggle-pass {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.btn-toggle-pass:hover {
  color: #cbd5e1;
}

.btn-toggle-pass svg {
  width: 18px;
  height: 18px;
}

/* SUBMIT BUTTON */
.btn-login {
  margin-top: 8px;
  width: 100%;
  padding: 14px;
  background: var(--primary-gradient);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(13, 93, 184, 0.4);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-login:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(13, 93, 184, 0.6);
  filter: brightness(1.1);
}

.btn-login:active:not(:disabled) {
  transform: translateY(0);
}

.btn-login:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* FOOTER */
.login-footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.security-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 11px;
  color: #64748b;
}

.security-note svg {
  color: #10b981;
}