/* THEME TOKENS */
        :root{
          --bg:#0e0f13; --panel:#151821; --muted:#8b94a8; --accent:#7aa2f7; --ok:#9ece6a; --warn:#e0af68; --err:#f7768e; --fg:#e5e9f0;
          --border:#2a2f3a; --tab:#1b2030; --tab-active:#22283a; --chip:#2b3142; --link:#9ab8ff;
        }
        :root[data-theme="light"]{
          --bg:#f7f9fc; --panel:#ffffff; --muted:#667085; --accent:#3b82f6; --ok:#15803d; --warn:#b45309; --err:#b91c1c; --fg:#0f172a;
          --border:#e5e7eb; --tab:#eef2ff; --tab-active:#dbeafe; --chip:#eef2f7; --link:#1d4ed8;
        }

        *{box-sizing:border-box} 
        html,body{height:100%; margin: 0; padding: 0;}
        body{background:var(--bg);color:var(--fg);font:13px/1.45 ui-monospace,Menlo,Consolas,monospace;}

        .login-container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        .login-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 40px;
            width: 100%;
            max-width: 400px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .login-header {
            text-align: center;
            margin-bottom: 32px;
        }

        .login-logo {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .login-title {
            font-size: 24px;
            font-weight: 600;
            color: var(--fg);
            margin: 0 0 8px 0;
        }

        .login-subtitle {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
        }

        .login-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-label {
            font-size: 12px;
            font-weight: 500;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .form-input {
            background: var(--chip);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--fg);
            transition: all 0.2s ease;
            font-family: inherit;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(122, 162, 247, 0.1);
        }

        .form-input::placeholder {
            color: var(--muted);
        }

        .password-input-wrapper {
            position: relative;
            width: 100%;
        }

        .password-toggle {
            position: absolute;
            right: 8px; /* Ближе к краю для всех устройств */
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--muted);
            cursor: pointer;
            padding: 6px;
            border-radius: 4px;
            transition: all 0.2s ease;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 24px;
            min-height: 24px;
        }

        .password-toggle:hover {
            color: var(--fg);
            background: var(--chip);
        }

        .password-toggle:active {
            transform: translateY(-50%) scale(0.95);
        }

        .password-input-wrapper .form-input {
            padding-right: 40px; /* Место для кнопки */
            width: 100%; /* Поле на всю ширину */
        }

        .login-button {
            background: var(--accent);
            color: #0b0d12;
            border: none;
            border-radius: 8px;
            padding: 14px 24px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: inherit;
            margin-top: 8px;
        }

        .login-button:hover {
            background: #6b8fd8;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(122, 162, 247, 0.3);
        }

        .login-button:disabled {
            background: var(--muted);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .error-message {
            background: rgba(247, 118, 142, 0.1);
            border: 1px solid var(--err);
            border-radius: 8px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--err);
            display: none;
        }

        .error-message.show {
            display: block;
        }

        .loading-spinner {
            display: none;
            width: 16px;
            height: 16px;
            border: 2px solid transparent;
            border-top: 2px solid currentColor;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-right: 8px;
        }

        .loading-spinner.show {
            display: inline-block;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .footer {
            text-align: center;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--muted);
        }

        .footer a {
            color: var(--link);
            text-decoration: none;
        }

        .footer a:hover {
            text-decoration: underline;
        }

        /* Theme toggle */
        .theme-toggle {
            position: fixed;
            top: 20px;
            right: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--muted);
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 8px 12px;
        }

        .theme-toggle input {
            appearance: none;
            width: 36px;
            height: 20px;
            border-radius: 999px;
            position: relative;
            background: var(--chip);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .theme-toggle input::after {
            content: "";
            position: absolute;
            top: 2px;
            left: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--fg);
            transition: transform 0.2s ease;
        }

        .theme-toggle input:checked::after {
            transform: translateX(16px);
        }

        .theme-toggle input:checked {
            background: var(--accent);
        }

        @media (max-width: 480px) {
            .login-card {
                padding: 24px;
                margin: 16px;
            }
            
            .login-title {
                font-size: 20px;
            }
            
            .theme-toggle {
                top: 16px;
                right: 16px;
                padding: 6px 10px;
                font-size: 11px;
            }