:root {
    --color-primario: #009688;
    --color-secundario: #727b82;
    --color-acento: #FFD166; /* Nuevo color complementario Y2K */
    --color-blanco: #ffffff;
    --color-negro: #18181b;
    --fuente-retro: 'Work Sans', sans-serif;
    --fuente-texto: 'Space Grotesk', sans-serif;
    --borde-sticker: 3px solid #18181b;
    --sombra-dura: 4px 4px 0px #18181b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--fuente-texto);
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: #18181b;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100dvh;
    width: 100vw;
    overflow: hidden;
}

/* Textura Scrapbook Digital en el contenedor móvil */
.mobile-viewport {
    width: 100%;
    max-width: 412px;
    height: 100dvh;
    background-color: var(--color-blanco);
    background-image: radial-gradient(#e6e9ec 1.25px, transparent 1.25px);
    background-size: 18px 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 28px 22px;
    position: relative;
    overflow: hidden;
    border-left: var(--borde-sticker);
    border-right: var(--borde-sticker);
}

/* Stickers decorativos flotantes */
.deco-sticker {
    position: absolute;
    z-index: 0;
    user-select: none;
    pointer-events: none;
}

.sticker-star {
    top: 18px;
    left: 20px;
    font-size: 28px;
    color: var(--color-primario);
    text-shadow: 2px 2px 0px var(--color-negro);
    transform: rotate(-15deg);
}

/* Aseguramos que el tag 24H FAST! esté por encima (z-index: 5) y se superponga a la esquina del logo */
.sticker-tag {
    top: 28px;
    right: 38px;
    background-color: var(--color-acento);
    color: var(--color-negro);
    font-weight: 700;
    font-size: 11px;
    padding: 4px 10px;
    border: 2px solid var(--color-negro);
    border-radius: 20px;
    box-shadow: 2px 2px 0px var(--color-negro);
    transform: rotate(8deg);
    z-index: 5; /* Por delante del cuadro del logo */
}

.logo-section {
    display: flex;
    justify-content: center;
    margin-top: 22px;
    position: relative;
    z-index: 1; /* Por detrás del sticker-tag */
}

.logo-sticker {
    background-color: var(--color-blanco);
    border: var(--borde-sticker);
    border-radius: 18px;
    padding: 0px 24px;
    box-shadow: 6px 6px 0px var(--color-negro);
    transform: rotate(-2deg);
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-img {
    max-width: 230px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* 2. Cuerpo Principal */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 1;
}

/* Switch Encajonado Y2K */
.switch-container {
    position: relative;
    display: flex;
    width: 100%;
    background-color: var(--color-blanco);
    border-radius: 14px;
    padding: 5px;
    border: var(--borde-sticker);
    box-shadow: var(--sombra-dura);
}

.switch-bg {
    position: absolute;
    top: 5px;
    left: 5px;
    width: calc(50% - 5px);
    height: calc(100% - 10px);
    background-color: var(--color-primario);
    border: 2px solid var(--color-negro);
    border-radius: 9px;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.switch-btn {
    flex: 1;
    padding: 11px 4px;
    background: none;
    border: none;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-secundario);
    cursor: pointer;
    position: relative;
    z-index: 1;
    transition: color 0.25s ease, transform 0.2s ease;
}

.switch-btn.active {
    color: var(--color-blanco);
    text-shadow: 1px 1px 0px var(--color-negro);
}

/* Tarjeta del Formulario */
.login-form {
    background-color: var(--color-blanco);
    border: var(--borde-sticker);
    border-radius: 16px;
    padding: 20px 18px;
    box-shadow: var(--sombra-dura);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 13px;
    color: var(--color-negro);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-left: 2px;
}

.input-group input {
    padding: 12px 14px;
    border: 2.5px solid var(--color-negro);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-negro);
    background-color: var(--color-blanco);
    transition: all 0.2s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 3px 3px 0px var(--color-primario);
    transform: translate(-1px, -1px);
}

/* Botón Iniciar Sesión tipo Sticker */
.btn-submit {
    margin-top: 4px;
    padding: 13px;
    background-color: var(--color-primario);
    color: var(--color-blanco);
    font-family: var(--fuente-retro);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-shadow: 2px 2px 0px var(--color-negro);
    border: var(--borde-sticker);
    border-radius: 12px;
    box-shadow: var(--sombra-dura);
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn-submit:active {
    transform: translate(3px, 3px);
    box-shadow: 1px 1px 0px var(--color-negro);
}

.status-msg {
    font-size: 13px;
    text-align: center;
    min-height: 18px;
    font-weight: 700;
}

/* 3. Botones inferiores sencillos */
.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    background-color: var(--color-blanco);
    border: 2px solid var(--color-negro);
    border-radius: 30px;
    padding: 8px 16px;
    align-self: center;
    box-shadow: 2px 2px 0px var(--color-secundario);
    z-index: 1;
}

.simple-btn {
    background: none;
    border: none;
    color: var(--color-secundario);
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
}

.simple-btn:hover {
    color: var(--color-primario);
    text-decoration: underline;
}

.divider {
    color: var(--color-secundario);
    font-weight: 700;
}