/* ==========================================
   Auth Pages - Login & Register
   ========================================== */

:root {
  --bg-primary: #0d1117;
  --bg-card: rgba(22, 27, 34, 0.8);
  --bg-input: #161b22;
  --border: rgba(255,255,255,0.06);
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #0078d4;
  --accent-hover: #429ce3;
  --danger: #f85149;
  --font: 'Inter', 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: 
    radial-gradient(ellipse at 20% 50%, rgba(0, 120, 212, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(96, 205, 255, 0.05) 0%, transparent 50%);
}

.auth-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.auth-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}
.auth-logo i {
  font-size: 48px;
  background: linear-gradient(135deg, #0078d4, #60cdff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}
.auth-logo h1 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 4px;
}
.auth-logo p {
  color: var(--text-secondary);
  font-size: 14px;
}

.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group .input-wrapper {
  position: relative;
}
.form-group .input-wrapper i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 14px;
}
.form-group input {
  width: 100%;
  padding: 12px 14px 12px 40px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  transition: all 0.2s;
}
.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.2);
}

.auth-btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, #0078d4, #00b4d8);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}
.auth-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 120, 212, 0.4);
}
.auth-btn:active { transform: translateY(0); }

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}
.auth-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.auth-footer a:hover { text-decoration: underline; }

.auth-error {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid rgba(248, 81, 73, 0.2);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.auth-error.show { display: block; }

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 16px;
  transition: color 0.2s;
}
.auth-back:hover { color: var(--text-primary); }