/**
 * TV Workstation - Login Screen Styles
 * All sizes use --ui-scale for accessibility
 */

.login-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0a0a14 0%, #1a1a2e 50%, #0f3460 100%);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.login-screen.visible {
  display: flex;
}

.login-box {
  position: relative;
  background: rgba(30, 30, 45, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: calc(16px * var(--ui-scale, 1));
  padding: calc(3rem * var(--ui-scale, 1));
  min-width: calc(400px * var(--ui-scale, 1));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}

.login-box h1 {
  text-align: center;
  margin-bottom: calc(2rem * var(--ui-scale, 1));
  color: #4ade80;
  font-size: calc(2rem * var(--ui-scale, 1));
}

.login-power-btn {
  position: absolute;
  top: calc(1rem * var(--ui-scale, 1));
  right: calc(1rem * var(--ui-scale, 1));
  width: calc(40px * var(--ui-scale, 1));
  height: calc(40px * var(--ui-scale, 1));
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: calc(6px * var(--ui-scale, 1));
  color: #ffffff;
  font-size: calc(1.25rem * var(--ui-scale, 1));
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  z-index: 1;
}

.login-power-btn.hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.login-power-btn svg {
  width: calc(20px * var(--ui-scale, 1));
  height: calc(20px * var(--ui-scale, 1));
  display: block;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: calc(1.5rem * var(--ui-scale, 1));
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: calc(0.5rem * var(--ui-scale, 1));
}

.login-field label {
  font-size: calc(1.1rem * var(--ui-scale, 1));
  color: rgba(255, 255, 255, 0.6);
}

.login-field input {
  padding: calc(1rem * var(--ui-scale, 1));
  font-size: calc(1.2rem * var(--ui-scale, 1));
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: calc(8px * var(--ui-scale, 1));
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  outline: none;
  transition: border-color 0.2s;
}

.login-field input:focus {
  border-color: #4ade80;
}

.login-error {
  color: #ef4444;
  font-size: calc(1rem * var(--ui-scale, 1));
  min-height: calc(1.5rem * var(--ui-scale, 1));
  text-align: center;
}

.login-btn {
  padding: calc(1rem * var(--ui-scale, 1));
  font-size: calc(1.3rem * var(--ui-scale, 1));
  background: linear-gradient(135deg, #4ade80, #22c55e);
  border: none;
  border-radius: calc(8px * var(--ui-scale, 1));
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.login-btn.hover {
  transform: scale(1.02);
  box-shadow: 0 5px 20px rgba(74, 222, 128, 0.3);
}

.login-btn:active {
  transform: scale(0.98);
}

.login-users {
  margin-top: calc(2rem * var(--ui-scale, 1));
  padding-top: calc(1.5rem * var(--ui-scale, 1));
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.login-users-label {
  font-size: calc(0.9rem * var(--ui-scale, 1));
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: calc(1rem * var(--ui-scale, 1));
}

.login-user-btn {
  padding: calc(0.6rem * var(--ui-scale, 1)) calc(1.2rem * var(--ui-scale, 1));
  margin-right: calc(0.5rem * var(--ui-scale, 1));
  margin-bottom: calc(0.5rem * var(--ui-scale, 1));
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: calc(6px * var(--ui-scale, 1));
  color: #ffffff;
  cursor: pointer;
  font-size: calc(1rem * var(--ui-scale, 1));
  transition: background 0.15s;
}

.login-user-btn.hover {
  background: rgba(255, 255, 255, 0.2);
}

/* UI Scale Control */
.login-scale-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(12px * var(--ui-scale, 1));
  margin-top: calc(1.5rem * var(--ui-scale, 1));
  padding: calc(1rem * var(--ui-scale, 1));
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: calc(8px * var(--ui-scale, 1));
}

.login-scale-control > label {
  color: rgba(255, 255, 255, 0.6);
  font-size: calc(0.9rem * var(--ui-scale, 1));
  flex-shrink: 0;
}

/* Style the UI slider inside login scale control */
.login-scale-control .ui-slider {
  flex: 1;
  max-width: calc(200px * var(--ui-scale, 1));
}