/* ===========================================
   ESTILO CASA VERDE – RESPONSIVE
   Basado en archivo original del usuario
   =========================================== */

/* Fondo general verde manzana suave */
body {
    background: #ccff99;
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Contenedor centrado */
.panel-container {
    background: #ffffff;
    padding: 40px;
    border-radius: 25px;
    width: 350px;
    text-align: center;
    box-shadow: 0 0 25px rgba(0,0,0,0.15);
}

/* Icono grande para quienes no leen */
.big-icon {
    font-size: 80px;
    margin-bottom: 10px;
}

/* Título */
.panel-title {
    font-size: 32px;
    color: #336600;
    margin-bottom: 30px;
    font-weight: bold;
}

/* Campos gigantes */
input {
    width: 90%;
    padding: 20px;
    margin: 15px 0;
    font-size: 22px;
    border-radius: 15px;
    border: 3px solid #99cc66;
    outline: none;
    background: #f6ffe6;
    text-align: center;
}

/* Cuando el usuario hace clic */
input:focus {
    border-color: #66aa33;
    background: #eaffd1;
}

/* Botón grande verde */
.tc-btn {
    width: 95%;
    background: #99ff55;
    border: none;
    padding: 25px;
    margin-top: 20px;
    font-size: 26px;
    border-radius: 20px;
    cursor: pointer;
    color: #003300;
    font-weight: bold;
    transition: 0.2s;
}

.tc-btn:hover {
    background: #88ee44;
}

/* Mensaje de error */
.tc-error {
    color: red;
    margin-top: 15px;
    font-size: 20px;
    font-weight: bold;
}

/* =====================================================
   RESPONSIVE — ADAPTACIÓN PARA CELULARES Y TABLETS
   ===================================================== */

@media (max-width: 900px) {

    body {
        height: auto;
        padding: 40px 0;
        align-items: flex-start;
    }

    .panel-container {
        width: 85%;
        padding: 30px;
    }

    .panel-title {
        font-size: 26px;
    }

    input {
        font-size: 20px;
        padding: 18px;
    }

    .tc-btn {
        font-size: 22px;
        padding: 20px;
    }
}

@media (max-width: 500px) {

    .panel-container {
        width: 92%;
        padding: 25px;
        border-radius: 18px;
    }

    .panel-title {
        font-size: 24px;
    }

    .big-icon {
        font-size: 60px;
    }

    input {
        font-size: 18px;
        padding: 16px;
    }

    .tc-btn {
        font-size: 20px;
        padding: 18px;
    }
}