:root {
      --accent: #f0a500;
      --accent-hover: #d68f00;
      --bg: #f5f5f5;
      --text: #333333;
      --white: #ffffff;
      --muted: #555555;
      --border: rgba(0, 0, 0, 0.08);
      --error: #d93025;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    body {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg);
      color: var(--text);
      padding: 1.5rem;
    }

    .card {
      position: relative;
      background: var(--white);
      width: min(460px, 100%);
      border-radius: 20px;
      padding: 2.25rem;
      box-shadow: 0 12px 34px rgba(0, 0, 0, 0.08);
      border: 1px solid var(--border);
      overflow: hidden;
    }

    .header {
      margin-bottom: 1.75rem;
      text-align: center;
    }

    .logo-placeholder {
      width: 180px;
      height: 180px;
      margin: 0 auto 1.3rem auto;
      border-radius: 18px;
      border: 2px dashed var(--border);
      background: #fffdf6;
      display: grid;
      place-items: center;
      color: #777;
      font-weight: 800;
      letter-spacing: 0.02em;
      font-size: 1rem;
    }

    .header h1 {
      font-size: 1.7rem;
      letter-spacing: -0.02em;
      margin-bottom: 0.55rem;
      font-weight: 800;
    }

    .header p {
      color: var(--muted);
      font-size: 1rem;
    }

    label {
      display: block;
      margin-bottom: 0.55rem;
      font-weight: 700;
      font-size: 0.96rem;
    }

    .input-group {
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
      margin-bottom: 1.2rem;
    }

    input[type="text"],
    input[type="password"],
    input[type="email"],
    input[type="number"],
    select {
      width: 100%;
      padding: 0.95rem 1rem;
      border-radius: 12px;
      border: 1.5px solid var(--border);
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      font-size: 1rem;
      font-family: inherit;
      background: #fffdf6;
      color: var(--text);
      appearance: none;
      -webkit-appearance: none;
      -moz-appearance: none;
    }

    input[type="text"]:focus,
    input[type="password"]:focus,
    input[type="email"]:focus,
    input[type="number"]:focus,
    select:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.18);
    }

    input[type="number"]::-webkit-outer-spin-button,
    input[type="number"]::-webkit-inner-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }

    input[type="number"] {
      -moz-appearance: textfield;
    }

    .input-group input,
    .input-group select {
      display: block;
      width: 100%;
      min-height: 50px;
      border-radius: 12px !important;
      border: 1.5px solid var(--border) !important;
      background-color: #fffdf6 !important;
      color: var(--text) !important;
      font-size: 1rem !important;
      font-family: inherit !important;
      line-height: 1.25;
    }


    button {
      width: 100%;
      padding: 1rem 1rem;
      background: var(--accent);
      border: none;
      border-radius: 12px;
      color: var(--white);
      font-weight: 800;
      font-size: 1rem;
      cursor: pointer;
      transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
      box-shadow: 0 10px 24px rgba(240, 165, 0, 0.25);
    }

    button:hover {
      background: var(--accent-hover);
      transform: translateY(-1px);
    }

    button:active {
      transform: translateY(0);
      box-shadow: 0 8px 18px rgba(240, 165, 0, 0.25);
    }

    .helper {
      text-align: center;
      color: #666;
      font-size: 0.94rem;
      margin-top: 0.75rem;
    }

    .toast {
      position: fixed;
      top: 1rem;
      right: 1rem;
      background: var(--accent);
      color: var(--white);
      padding: 0.85rem 1.1rem;
      border-radius: 10px;
      box-shadow: 0 12px 28px rgba(240, 165, 0, 0.35);
      opacity: 0;
      transform: translateY(-12px);
      transition: opacity 0.25s ease, transform 0.25s ease;
      font-weight: 700;
      z-index: 20;
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
    }

    .loading-bar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: rgba(240, 165, 0, 0.22);
      overflow: hidden;
      opacity: 0;
      transition: opacity 0.2s ease;
      z-index: 15;
    }

    .loading-bar::after {
      content: "";
      position: absolute;
      top: 0;
      left: -40%;
      width: 40%;
      height: 100%;
      background: var(--accent);
      animation: slide 1s ease-in-out infinite;
    }

    .loading-bar.active {
      opacity: 1;
    }

    .error {
      background: rgba(217, 48, 37, 0.12);
      color: var(--error);
      border: 1px solid rgba(217, 48, 37, 0.3);
      border-radius: 12px;
      padding: 0.85rem 1rem;
      font-weight: 700;
      margin-bottom: 1rem;
      display: none;
    }

    .shake {
      animation: shake 0.4s ease;
    }

    @keyframes slide {
      0% {
        left: -40%;
      }

      50% {
        left: 60%;
      }

      100% {
        left: 100%;
      }
    }

    @keyframes shake {

      0%,
      100% {
        transform: translateX(0);
      }

      20% {
        transform: translateX(-8px);
      }

      40% {
        transform: translateX(8px);
      }

      60% {
        transform: translateX(-6px);
      }

      80% {
        transform: translateX(6px);
      }
    }

    @media (max-width: 480px) {
      .card {
        padding: 1.75rem;
        border-radius: 16px;
      }

      .header h1 {
        font-size: 1.45rem;
      }
    }