* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #25D366; --dark: #128C7E; --light: #DCF8C6;
    --bg: #f0f2f5; --card-bg: #ffffff; --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
    min-height: 100vh; position: relative;
}

.container { max-width: 1200px; margin: 0 auto; padding: 2rem 1rem; position: relative; z-index: 1; }

header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    color: white; padding: 1.5rem 1rem; box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.header-content { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }

/* --- MODIFICACIÓN AQUÍ: LOGO --- */
.logo-section { 
    display: flex; 
    align-items: center; 
    gap: 1rem;
    cursor: pointer; /* Manito en PC */
    user-select: none; /* Evita que se seleccione el texto al dar muchos clicks */
    -webkit-tap-highlight-color: transparent; /* Quita el cuadro azul al tocar en Android */
    transition: transform 0.1s; /* Suavidad */
}

/* Efecto visual al presionar el logo */
.logo-section:active {
    transform: scale(0.95);
    opacity: 0.8;
}
/* ------------------------------- */

.logo-icon { background: white; padding: 0.8rem; border-radius: 1rem; font-size: 2rem; }

.btn {
    background: var(--primary); color: white; border: none; padding: 0.7rem 1.5rem;
    border-radius: 0.5rem; cursor: pointer; font-size: 0.95rem; font-weight: 600;
    display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none;
}

.btn-outline { background: rgba(255, 255, 255, 0.2); border: 2px solid white; }

/* --- MODIFICACIÓN AQUÍ: BOTÓN ADMIN --- */
#admin-btn {
    display: none; /* Oculto por defecto */
}
/* -------------------------------------- */

.btn-whatsapp { background: linear-gradient(135deg, #075E54, var(--dark)); width: 100%; justify-content: center; }
.btn-del { background: #ff4444; margin-top: 5px; width: 100%; }

#admin-controls { display: none; background: white; padding: 1.5rem; margin-bottom: 2rem; border-radius: 1rem; box-shadow: 0 8px 30px var(--shadow); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1.5rem; }

.sticker-card { background: white; border-radius: 1rem; padding: 1rem; box-shadow: 0 4px 15px var(--shadow); text-align: center; }
.sticker-img-container { position: relative; padding-bottom: 100%; margin-bottom: 1rem; background: #f5f5f5; border-radius: 0.7rem; overflow: hidden; }
.sticker-img { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); max-width: 100%; max-height: 100%; object-fit: contain; }

.tabs-list { display: flex; gap: 0.5rem; background: white; padding: 0.5rem; border-radius: 1rem; margin-bottom: 2rem; overflow-x: auto; }
.tab-btn { padding: 0.7rem 1.5rem; border-radius: 0.7rem; border: none; cursor: pointer; font-weight: 600; background: transparent; white-space: nowrap; }
.tab-btn.active { background: var(--primary); color: white; }

#login-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); justify-content: center; align-items: center; z-index: 1000; }
.modal-content { background: white; padding: 2rem; border-radius: 1rem; width: 90%; max-width: 400px; }

input { width: 100%; padding: 0.8rem; margin-bottom: 1rem; border: 2px solid #ddd; border-radius: 0.5rem; }

footer { background: var(--dark); color: white; padding: 2rem; text-align: center; margin-top: 4rem; }