/* =========================
           VARIABLES
        ========================= */
        :root {
            --color-primary: #FFA500;
            --color-primary-dark: #FF8C00;
            --color-blue: #007BFF;
            --color-blue-dark: #0056b3;
            --color-gray-dark: #111827;
            --color-gray-light: #f3f4f6;
        }
        /* =========================
           RESET
        ========================= */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            margin: 0;
            padding: 0;
            background: #ff8c00;
            font-family: Arial, Helvetica, sans-serif;
            /* Para acomodar contenido en columna */
            display: flex;
            flex-direction: column;
            /* Ocupar toda la pantalla */
            min-height: 100vh;
            /* Para centrar solo el contenido, no el footer */
            align-items: center;
        }
        input{
            margin: 5px;
            padding:20px;
            border-radius:14px;
            border:1px solid #ccc
        }
        .tab{
            display: flex;
            justify-content: center;
            gap: 5px;
            width: 100%;
        }
        .container {
            margin: auto 0; /* Esto la centra verticalmente */
            align-self: center; /* Esto la centra horizontalmente */
            width: 100%;
            max-width: 680px;
            background: white;
            padding: 35px 30px;
            border-radius: 20px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.25);
            text-align: center;
            animation: fadeIn 0.6s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(15px); }
            to { opacity: 1; transform: translateY(0); }
        }
        h2 {
            margin-bottom: 25px;
            font-size: 26px;
            color: #333;
        }
        .app-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-bottom: 5px;
            width: 100%;
            max-width: 250px;
            padding: 10px;
            font-size: 12px;
            font-weight: bold;
            border: none;
            border-radius: 10px;
            background: linear-gradient(to bottom, var(--color-blue), #ffffff);
            color: #000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .app-button i {
            font-size: 1.5rem;
        }
        .app-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.4);
            background: linear-gradient(to bottom, var(--color-blue-dark), #ffffff);
        }
        .app-button:active {
            transform: translateY(1px);
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }
        .footer {
            display:flex;
            justify-content:space-between;
            gap:8px;
            align-items:center;
        }
        .topbar {
            width: 100%;
            background: var(--color-gray-dark);
            color: #fff;
            padding: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .autor-footer {
            margin-top: auto; /* 🔥 Esto lo pega abajo */
            text-align: center;
            width: 100%;
            padding: 6px 0;
            font-size: 11px;
            opacity: 0.2;
            color: #000;
            user-select: none;
        }
        .autor-footer:hover {
            opacity: 0.50; /* un poquito más visible al pasar el mouse */
        }
        /* ✨ Footer NO SE IMPRIME ✨ */
        @media print {
            .autor-footer {
                display: none !important;
            }
        }