@import url('https://fonts.googleapis.com/css2?family=Allura&family=DM+Sans:wght@400;500;600;700&display=swap');


/* ================================================= */
/* VARIABLES */
/* ================================================= */

:root {
    --verde-oliva: #687052;
    --verde-oliva-oscuro: #4f573d;
    --verde-salvia: #aeb49a;

    --crema: #f8f4ec;
    --crema-claro: #fffdf8;

    --rosa-suave: #c9a29a;
    --dorado: #b8a276;

    --texto: #4a4a42;
    --blanco: #ffffff;
}


/* ================================================= */
/* GENERAL */
/* ================================================= */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    min-height: 100vh;

    font-family: "DM Sans", sans-serif;

    color: var(--texto);

    background:
        radial-gradient(
            circle at 10% 15%,
            rgba(174, 180, 154, 0.18) 0,
            transparent 28%
        ),
        radial-gradient(
            circle at 90% 80%,
            rgba(201, 162, 154, 0.13) 0,
            transparent 25%
        ),
        var(--crema);

    position: relative;
}


/* Decoración sutil tipo mandala */

body::before {
    content: "";

    position: fixed;

    width: 420px;
    height: 420px;

    right: -180px;
    top: 100px;

    border-radius: 50%;

    background:
        repeating-radial-gradient(
            circle,
            transparent 0,
            transparent 20px,
            rgba(104, 112, 82, 0.045) 21px,
            rgba(104, 112, 82, 0.045) 22px
        );

    pointer-events: none;

    z-index: -1;
}

body::after {
    content: "";

    position: fixed;

    width: 350px;
    height: 350px;

    left: -170px;
    bottom: 80px;

    border-radius: 50%;

    background:
        repeating-radial-gradient(
            circle,
            transparent 0,
            transparent 18px,
            rgba(201, 162, 154, 0.045) 19px,
            rgba(201, 162, 154, 0.045) 20px
        );

    pointer-events: none;

    z-index: -1;
}


/* ================================================= */
/* CONTENEDOR */
/* ================================================= */

.container {
    width: min(1100px, 92%);

    margin: 0 auto;

    padding-bottom: 60px;
}


/* ================================================= */
/* ENCABEZADO */
/* ================================================= */

.header {
    text-align: center;

    padding: 55px 20px 40px;

    position: relative;
}


/* Pequeña decoración superior */

.header::before {
    content: "✦  ❦  ✦";

    display: block;

    margin-bottom: 12px;

    color: var(--dorado);

    font-size: 18px;

    letter-spacing: 8px;
}


/* Línea decorativa inferior */

.header::after {
    content: "";

    display: block;

    width: 90px;
    height: 1px;

    margin: 24px auto 0;

    background: var(--dorado);

    opacity: 0.65;
}


.icono-camara {
    font-size: 42px;

    margin-bottom: 5px;

    filter: grayscale(0.2);
}


.header h1 {
    margin: 5px 0 5px;

    color: var(--verde-oliva-oscuro);

    font-family: "Allura", cursive;

    font-size: clamp(55px, 8vw, 82px);

    font-weight: 400;

    line-height: 1;
}


.header p {
    margin: 15px 0 0;

    color: var(--verde-oliva);

    font-size: 16px;

    font-weight: 500;

    letter-spacing: 0.5px;
}


/* ================================================= */
/* SECCIÓN DE SUBIDA */
/* ================================================= */

.upload-section {
    max-width: 650px;

    margin: 0 auto 55px;

    padding: 32px;

    background: rgba(255, 253, 248, 0.86);

    border: 1px solid rgba(104, 112, 82, 0.15);

    border-radius: 24px;

    box-shadow:
        0 12px 35px rgba(79, 87, 61, 0.08);

    text-align: center;

    backdrop-filter: blur(5px);
}


/* ================================================= */
/* INPUT FOTO */
/* ================================================= */

#foto {
    display: none;
}


.boton-seleccionar {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    padding: 13px 25px;

    border-radius: 30px;

    background: var(--verde-oliva);

    color: white;

    font-size: 15px;

    font-weight: 600;

    cursor: pointer;

    transition: 0.25s;

    box-shadow:
        0 5px 15px rgba(104, 112, 82, 0.2);
}


.boton-seleccionar:hover {
    background: var(--verde-oliva-oscuro);

    transform: translateY(-2px);

    box-shadow:
        0 8px 20px rgba(104, 112, 82, 0.25);
}


/* ================================================= */
/* PREVISUALIZACIÓN */
/* ================================================= */

.preview-container {
    margin-top: 25px;
}


.preview {
    display: block;

    max-width: 100%;
    max-height: 350px;

    margin: 0 auto 20px;

    border-radius: 16px;

    box-shadow:
        0 8px 25px rgba(0, 0, 0, 0.12);
}


/* ================================================= */
/* BOTÓN SUBIR */
/* ================================================= */

.boton-subir {
    border: none;

    padding: 13px 28px;

    border-radius: 30px;

    background: var(--rosa-suave);

    color: white;

    font-family: inherit;

    font-size: 15px;

    font-weight: 600;

    cursor: pointer;

    transition: 0.25s;

    box-shadow:
        0 5px 15px rgba(201, 162, 154, 0.25);
}


.boton-subir:hover {
    background: #b68d84;

    transform: translateY(-2px);
}


/* ================================================= */
/* RESULTADO */
/* ================================================= */

#resultado {
    margin-top: 18px;

    font-size: 14px;

    color: var(--verde-oliva);
}


/* ================================================= */
/* GALERÍA */
/* ================================================= */

.gallery-section {
    margin-top: 30px;
}


.gallery-header {
    text-align: center;

    margin-bottom: 28px;
}


.gallery-header h2 {
    margin: 0;

    color: var(--verde-oliva-oscuro);

    font-family: "Allura", cursive;

    font-size: 48px;

    font-weight: 400;
}


#contador {
    margin-top: 4px;

    color: #858477;

    font-size: 13px;

    letter-spacing: 0.5px;
}


/* ================================================= */
/* GALERÍA DE FOTOS */
/* ================================================= */

.galeria {
    display: grid;

    grid-template-columns:
        repeat(auto-fill, minmax(210px, 1fr));

    gap: 18px;
}


.foto-album {
    width: 100%;

    aspect-ratio: 1 / 1;

    object-fit: cover;

    border-radius: 18px;

    cursor: pointer;

    background: var(--crema-claro);

    box-shadow:
        0 7px 22px rgba(79, 87, 61, 0.10);

    transition:
        transform 0.25s,
        box-shadow 0.25s;

    border: 5px solid rgba(255, 253, 248, 0.8);
}


.foto-album:hover {
    transform: translateY(-5px) rotate(0.5deg);

    box-shadow:
        0 14px 30px rgba(79, 87, 61, 0.18);
}


/* ================================================= */
/* VISOR DE FOTO */
/* ================================================= */

.visor {
    position: fixed;

    top: 0;
    left: 0;

    width: 100vw;
    height: 100vh;

    background: rgba(36, 38, 29, 0.94);

    display: none;

    align-items: center;
    justify-content: center;

    padding: 30px;

    z-index: 99999;
}


.visor.visible {
    display: flex;
}


.imagen-visor {
    max-width: 90vw;
    max-height: 88vh;

    object-fit: contain;

    border-radius: 10px;

    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.45);
}


/* ================================================= */
/* BOTÓN CERRAR */
/* ================================================= */

.cerrar-visor {
    position: absolute;

    top: 22px;
    right: 25px;

    width: 46px;
    height: 46px;

    border: none;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.12);

    color: white;

    font-size: 22px;

    cursor: pointer;

    z-index: 100000;

    transition: 0.2s;
}


.cerrar-visor:hover {
    background: rgba(255, 255, 255, 0.25);

    transform: rotate(5deg);
}


/* ================================================= */
/* NAVEGACIÓN DEL VISOR */
/* ================================================= */

.navegacion-visor {
    position: absolute;

    top: 50%;

    transform: translateY(-50%);

    width: 50px;
    height: 50px;

    border: none;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.14);

    color: white;

    font-size: 32px;

    cursor: pointer;

    z-index: 100000;

    display: flex;

    align-items: center;

    justify-content: center;

    transition: 0.2s;
}


.navegacion-visor:hover {
    background: rgba(255, 255, 255, 0.28);

    transform:
        translateY(-50%)
        scale(1.08);
}


.navegacion-visor.anterior {
    left: 25px;
}


.navegacion-visor.siguiente {
    right: 25px;
}


/* ================================================= */
/* CELULAR */
/* ================================================= */

@media (max-width: 600px) {

    .container {
        width: 94%;
    }


    .header {
        padding: 40px 10px 30px;
    }


    .header h1 {
        font-size: 58px;
    }


    .header p {
        font-size: 14px;

        padding: 0 15px;
    }


    .icono-camara {
        font-size: 34px;
    }


    .upload-section {
        padding: 25px 18px;

        border-radius: 20px;
    }


    .galeria {
        grid-template-columns:
            repeat(2, 1fr);

        gap: 10px;
    }


    .foto-album {
        border-radius: 13px;

        border-width: 3px;
    }


    .gallery-header h2 {
        font-size: 42px;
    }


    .imagen-visor {
        max-width: 94vw;

        max-height: 82vh;
    }


    .navegacion-visor {
        width: 42px;
        height: 42px;

        font-size: 26px;
    }


    .navegacion-visor.anterior {
        left: 10px;
    }


    .navegacion-visor.siguiente {
        right: 10px;
    }


    .cerrar-visor {
        top: 15px;
        right: 15px;
    }

}