/* --- VARIABLES --- */
:root {
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --primary: #10b981;
    --primary-dark: #059669; /* Soluciona el botón transparente al hacer hover */
    --danger: #ef4444;
    --text-main: #111827;
    --text-sec: #6b7280;
    --border-color: #e5e7eb;
    --modal-bg: rgba(0,0,0,0.6);
    --modal-content-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --input-bg: #ffffff;
}

[data-theme="dark"] {
    --bg-color: #111827;
    --card-bg: #1f2937;
    --text-main: #f9fafb;
    --text-sec: #9ca3af;
    --border-color: #374151;
    --modal-bg: rgba(0,0,0,0.8);
    --modal-content-bg: #1f2937;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --input-bg: #111827;
}

/* ==================== MAGIA PWA MÓVIL ==================== */
html, body {
    font-family: 'Inter', sans-serif; 
    background-color: var(--bg-color); 
    color: var(--text-main); 
    margin: 0; 
    padding: 20px; 
    transition: background-color 0.3s ease, color 0.3s ease;
    
    /* BLOQUEA EL PULL-TO-REFRESH Y EL REBOTE DE LA PANTALLA */
    overscroll-behavior-y: none; 
    
    /* BLOQUEA QUE SE SELECCIONE EL TEXTO COMO EN UNA WEB */
    -webkit-user-select: none;
    user-select: none;
    
    /* ZONAS SEGURAS (Para que no quede detrás del Notch del iPhone) */
    padding-top: max(20px, env(safe-area-inset-top));
    padding-bottom: max(20px, env(safe-area-inset-bottom));
}

/* Excepción: Permitimos seleccionar el texto SÓLO en los inputs para poder escribir */
input {
    -webkit-user-select: text;
    user-select: text;
}


/* --- LOGIN --- */
.login-container { height: 100vh; display: flex; justify-content: center; align-items: center; position: fixed; top: 0; left: 0; width: 100%; background-color: var(--bg-color); z-index: 1000; }
.login-card { background: var(--card-bg); padding: 40px; border-radius: 20px; box-shadow: 0 10px 25px var(--shadow-color); width: 100%; max-width: 350px; text-align: center; border: 1px solid var(--border-color); }
.login-logo { font-size: 3rem; color: var(--primary); margin-bottom: 10px; }
.login-header h2 { margin: 10px 0 5px 0; color: var(--text-main); }
.login-header p { color: var(--text-sec); margin-bottom: 30px; font-size: 0.9rem; }
.error-msg { color: var(--danger); font-size: 0.9rem; margin-top: 15px; min-height: 20px;}

/* --- HEADER Y NOTIFICACIÓN --- */
.header { margin: 30px 0; }
.header-content { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; padding: 0 10px; }
.header-actions { display: flex; gap: 10px; }
.header h1 { color: var(--primary); font-weight: 800; margin: 0; letter-spacing: -1px; display: flex; align-items: center; gap: 10px;}
.header p { color: var(--text-sec); margin-top: 5px; font-size: 0.9rem; }

.theme-btn { background: var(--card-bg); border: 2px solid var(--border-color); color: var(--text-main); width: 45px; height: 45px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; }
.theme-btn:hover { border-color: var(--primary); color: var(--primary); }
.logout-btn:hover { border-color: var(--danger); color: var(--danger); }

/* BARRA DE NOTIFICACIÓN */
.notification-bar {
    background: var(--danger); color: white; padding: 12px 20px; border-radius: 12px;
    margin: 0 auto 25px; max-width: 1200px; display: flex; align-items: center; justify-content: center;
    gap: 10px; font-weight: 700; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
    animation: slideDown 0.3s ease;
}
@keyframes slideDown { from {transform: translateY(-20px); opacity: 0;} to {transform: translateY(0); opacity: 1;} }

/* --- TARJETAS --- */
.grid-container { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); 
    gap: 25px; 
    max-width: 1200px; 
    margin: 0 auto; 
    margin-bottom: 60px; 
}
.card { 
    background: var(--card-bg); border-radius: 20px; box-shadow: 0 4px 6px -1px var(--shadow-color); 
    overflow: hidden; transition: all 0.3s ease; position: relative; 
    border: 1px solid var(--border-color); border-top: 6px solid var(--primary); 
    /* Necesario para la animación suave de reordenamiento CSS */
    display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 15px 20px -5px var(--shadow-color); }
.card.status-dry { border-top-color: var(--danger); box-shadow: 0 0 20px rgba(239, 68, 68, 0.3); }

.card-image-container { width: 100%; height: 200px; position: relative; }
.card-image { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 80px; background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent); z-index: 1; }
.card-badges { position: absolute; top: 15px; left: 15px; right: 15px; display: flex; justify-content: space-between; z-index: 2; }
.battery-badge { background: rgba(0, 0, 0, 0.7); color: white; padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; backdrop-filter: blur(4px); font-weight: 600; display: flex; align-items: center; gap: 5px; }
.edit-btn { background: rgba(255, 255, 255, 0.9); border: none; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; color: #1f2937; display: flex; align-items: center; justify-content: center; transition: all 0.2s; box-shadow: 0 2px 5px rgba(0,0,0,0.3); }
.edit-btn:hover { color: var(--primary); transform: scale(1.1); background: white;}

.card-content { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between;}
.plant-title { margin: 0; font-size: 1.25rem; font-weight: 700; color: var(--text-main); }
.plant-subtitle { font-size: 0.85rem; color: var(--text-sec); margin-top: 2px; display: block;}
.stats-row { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--border-color); }
.humidity-block { display: flex; flex-direction: column; }
.humidity-label-small { font-size: 0.7rem; text-transform: uppercase; font-weight: 700; color: var(--text-sec); margin-bottom: 2px; letter-spacing: 0.5px; }
.humidity-group { display: flex; align-items: baseline; gap: 2px; }
.humidity-val { font-size: 2.2rem; font-weight: 800; color: var(--text-main); line-height: 1; }
.humidity-unit { font-size: 1rem; color: var(--text-sec); font-weight: 600;}

.status-pill { padding: 6px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; display: inline-flex; align-items: center; gap: 6px; }
.status-ok { background-color: #d1fae5; color: #065f46; border: 1px solid #34d399; }
.status-dry { background-color: #fee2e2; color: #991b1b; border: 1px solid #f87171; }
[data-theme="dark"] .status-ok { background-color: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
[data-theme="dark"] .status-dry { background-color: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }

@keyframes heartbeat { 0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); } 70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); } 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); } }
.urgent-pulse { animation: heartbeat 1.5s infinite; }

/* --- MODAL, FORMULARIO Y BOTONES --- */
.modal { display: none; position: fixed; z-index: 200; left: 0; top: 0; width: 100%; height: 100%; background: var(--modal-bg); backdrop-filter: blur(4px); }
.modal-content { background: var(--modal-content-bg); margin: 5vh auto; padding: 25px; border-radius: 20px; width: 90%; max-width: 500px; animation: slideUp 0.3s ease; color: var(--text-main); box-shadow: 0 25px 50px -12px var(--shadow-color); border: 1px solid var(--border-color); max-height: 85vh; overflow-y: auto; }
@keyframes slideUp { from {transform: translateY(50px); opacity: 0;} to {transform: translateY(0); opacity: 1;} }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; }
.modal-header h2 { margin: 0; color: var(--primary); font-size: 1.5rem; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.full-width { grid-column: 1 / -1; }
.input-wrapper { position: relative; }
.input-icon { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--text-sec); font-size: 1.1rem; transition: color 0.3s; }

.form-group { margin-bottom: 5px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9rem; color: var(--text-main); }
.form-group input[type="text"], .form-group input[type="url"], .form-group input[type="email"], .form-group input[type="password"] { width: 100%; padding: 12px 12px 12px 45px; border: 2px solid var(--border-color); border-radius: 12px; font-size: 0.95rem; background: var(--input-bg); color: var(--text-main); transition: all 0.3s ease; box-sizing: border-box;}
.form-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1); outline: none; }
.form-group input:focus + .input-icon, .input-wrapper:focus-within .input-icon { color: var(--primary); }

.image-preview-container { text-align: center; margin-bottom: 20px; }
#imagePreview { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; border: 4px solid var(--border-color); box-shadow: 0 5px 15px var(--shadow-color); transition: all 0.3s; background-color: var(--bg-color); }
.image-preview-container p { font-size: 0.8rem; color: var(--text-sec); margin-top: 5px; }

.type-selector { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 5px; }
.type-option input { display: none; }
.type-card { border: 2px solid var(--border-color); border-radius: 12px; padding: 10px; text-align: center; cursor: pointer; transition: all 0.2s; background: var(--input-bg); display: flex; flex-direction: column; align-items: center; gap: 5px; }
.type-icon { font-size: 1.5rem; }
.type-info strong { display: block; font-size: 0.85rem; color: var(--text-main); }
.type-info small { font-size: 0.7rem; color: var(--text-sec); }
.type-option input:checked + .type-card { border-color: var(--primary); background: rgba(16, 185, 129, 0.1); }

.modal-actions { display: flex; gap: 15px; margin-top: 20px; }
.save-btn { flex: 1; padding: 14px; background: var(--primary); color: white; border: none; border-radius: 12px; font-size: 1rem; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px; transition: background 0.2s;}
.save-btn:hover { background: var(--primary-dark); }
.delete-btn { flex: 1; padding: 14px; background: transparent; color: var(--danger); border: 2px solid var(--danger); border-radius: 12px; font-size: 1rem; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px; transition: all 0.2s; }
.delete-btn:hover { background: var(--danger); color: white; }

.close-btn { font-size: 28px; cursor: pointer; color: var(--text-sec); margin-top: -5px;}
.close-btn:hover { color: var(--text-main); }

.app-footer { text-align: center; margin-top: 40px; padding: 20px; border-top: 1px solid var(--border-color); color: var(--text-sec); font-size: 0.9rem; }
.fab-btn { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; background: var(--primary); color: white; border: none; border-radius: 50%; font-size: 24px; cursor: pointer; box-shadow: 0 4px 15px rgba(16,185,129,0.5); z-index: 100; transition: transform 0.2s;}
.fab-btn:hover { transform: scale(1.1) rotate(90deg); }
#loader { color: var(--text-sec); text-align: center;}

@media (max-width: 600px) { 
    .form-grid { grid-template-columns: 1fr; } 
    .type-selector { grid-template-columns: 1fr; gap: 8px;} 
    .type-card { flex-direction: row; text-align: left; padding: 10px 15px; }
    .type-info { display: flex; flex-direction: column; flex-grow: 1; }
    .modal-actions { flex-direction: column; gap: 10px; }
}

/* --- TARJETA OFFLINE (Gris y apagada) --- */
.card.status-offline {
    filter: grayscale(100%);
    opacity: 0.6;
    border-top-color: #9ca3af;
    box-shadow: none;
}