/* ===== screen-input.css — экран 3: ввод кодового слова ===== */

.cyber-back-btn {
    position: relative;
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 14px;
    color: var(--accent-neon);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    z-index: 10;
  }

.cyber-back-btn::before {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
  }

.cyber-back-btn:active { transform: scale(0.9); }

.cyber-back-btn:active::before { opacity: 0.2; }

.cyber-back-btn:active { border-color: var(--accent-1); color: #fff; }

.cyber-back-btn svg { width: 24px; height: 24px; filter: drop-shadow(0 0 5px currentColor); }

.input-group {
    width: 100%;
    margin-top: 4px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

.cyber-input-wrap {
    position: relative;
    width: 100%;
  }

.cyber-input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--surface-border);
    border-radius: 16px;
    padding: 18px 20px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 18px;
    color: var(--accent-neon);
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
    text-align: center;
    letter-spacing: 2px;
  }

.cyber-input:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 15px rgba(124,92,252,0.2);
    background: rgba(124,92,252,0.05);
  }

.cyber-input::placeholder {
    color: rgba(124,92,252,0.3);
    letter-spacing: 0;
  }

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border: none;
    border-radius: 16px;
    padding: 18px;
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: #fff;
    cursor: pointer;
    box-shadow: 0 8px 20px -6px rgba(124,92,252,0.5);
    transition: transform 0.2s, opacity 0.2s;
  }

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

.btn-primary:disabled, .btn-primary.is-empty { opacity: 0.5; }

.input-error-text {
    min-height: 16px;
    font-family:'Share Tech Mono', monospace;
    font-size: 11.5px; letter-spacing:0.02em;
    color:#ef4444;
    text-align:center;
    opacity:0;
    transition: opacity .2s ease;
  }

.input-error-text.visible { opacity:1; }

.screen-input .robot-wrap {
    transform: translateX(150vw); 
    opacity: 0;
  }

.screen-input.active .robot-wrap.fly-in-right {
    animation: robot-fly-in-right 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

@keyframes robot-fly-in-right {
    from { transform: translateX(150vw); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }

.robot-wrap.fly-out-right {
    animation: robot-fly-out-right 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards !important;
  }

@keyframes robot-fly-out-right {
    0% { transform: translate(0, 0) scale(1); opacity: 1; }
    40% { transform: translate(-30px, -20px) scale(1.1); opacity: 1; }
    100% { transform: translate(150vw, -100px) scale(0.5); opacity: 0; }
  }

.cyber-input.input-error {
    border-color:#ef4444;
    box-shadow: 0 0 15px rgba(239,68,68,0.25);
    animation: input-shake 0.4s ease;
  }

@keyframes input-shake {
    0%,100%{ transform: translateX(0); }
    20%{ transform: translateX(-7px); }
    40%{ transform: translateX(7px); }
    60%{ transform: translateX(-5px); }
    80%{ transform: translateX(5px); }
  }