/* Estilos para Suculenta Inmortal.
   El archivo esta organizado por bloques: variables, layout, formularios,
   tarjetas, calendario, galeria, modal, login y responsive. */

/* Variables globales. Cambiar estos valores modifica el tema completo. */
:root {
    --bg-color: #f3f8f3;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-color: #0f172a;
    --text-secondary: #475569;
    --accent: #4d8b4d;
    --accent-light: #6da56f;
    --accent-contrast: #ffffff;
    --border: #e2e8f0;
    --shadow: rgba(34, 60, 20, 0.12);
    --bg-gradient: linear-gradient(180deg, rgba(243, 248, 243, 0.95), rgba(255, 255, 255, 0.95));
}

/* Variables alternativas que se activan cuando body tiene la clase dark-mode. */
.dark-mode {
    --bg-color: #1a1a1a;
    --bg-secondary: #2d3748;
    --bg-tertiary: #4a5568;
    --text-color: #f0f0f0;
    --text-secondary: #a0aec0;
    --accent: #68d391;
    --accent-light: #9ae6b4;
    --accent-contrast: #0f172a;
    --border: #4a5568;
    --shadow: rgba(0, 0, 0, 0.35);
    --bg-gradient: linear-gradient(180deg, rgba(26, 26, 26, 0.95), rgba(45, 55, 72, 0.95));
}

/* Reset minimo para que los tamanos sean predecibles. */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--bg-gradient);
    pointer-events: none;
    z-index: -1;
}

/* Barra superior con logo, pestanas y controles de usuario. */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: fit-content;
}

.brand-logo {
    width: 260px;
    height: 150px;
    object-fit: contain;
    display: block;
}

.nav-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.8rem 1.25rem;
    border-radius: 999px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.tab-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-color);
}

.tab-btn.active {
    background: var(--accent);
    color: var(--accent-contrast);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 26px;
}

.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background-color: var(--border);
    border-radius: 999px;
    transition: 0.4s;
}

.toggle-slider:before {
    position: absolute;
    content: '';
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--accent);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.color-picker-control {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px var(--shadow);
    background: var(--accent);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.color-picker-control:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px var(--shadow);
}

.color-picker-control img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    pointer-events: none;
}

#color-picker {
    position: absolute;
    inset: 0;
    width: 40px;
    height: 40px;
    opacity: 0;
    cursor: pointer;
    border: 0;
}

/* Layout general de secciones. Solo la seccion activa se muestra. */
main {
    min-height: calc(100vh - 96px);
}

.section {
    display: none;
    padding: 2rem 0;
}

.section.active {
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Grilla principal: formulario a la izquierda, calendario a la derecha. */
.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.form-section,
.calendar-section,
.plants-section,
.galeria-item {
    background: var(--bg-secondary);
    border-radius: 24px;
    box-shadow: 0 10px 30px var(--shadow);
}

.form-section,
.calendar-section,
.plants-section {
    padding: 2rem;
}

.form-section h3,
.calendar-section h3,
.plants-section h3 {
    font-size: 1.6rem;
    color: var(--text-color);
    margin-bottom: 1.25rem;
}

/* Campos reutilizados por los formularios de plantas y autenticacion. */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.field-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

input[type='text'],
input[type='number'],
input[type='color'],
input[type='file'] {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--bg-tertiary);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(77, 139, 77, 0.12);
}

.image-input-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.image-preview {
    margin-top: 1rem;
    text-align: center;
}

.image-preview img {
    max-width: 100%;
    max-height: 220px;
    width: auto;
    border-radius: 18px;
    box-shadow: 0 8px 24px var(--shadow);
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.broken-image {
    background: var(--bg-tertiary);
    object-fit: contain;
    opacity: 0.85;
}

.sunlight-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
}

.sunlight-option {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 44px;
    margin: 0;
    padding: 0.65rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-tertiary);
    font-size: 0.82rem;
    cursor: pointer;
}

.sunlight-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.sunlight-option:has(input:checked) {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(77, 139, 77, 0.12);
}

.sunlight-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-block;
    flex: 0 0 auto;
    background: #f59e0b;
    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.65);
}

.low-sun .sunlight-dot {
    background: #ef4444;
}

.indirect-sun .sunlight-dot {
    background: #f59e0b;
}

.direct-sun .sunlight-dot {
    background: #22c55e;
}

button,
.calendar-nav button {
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    padding: 0.85rem 1.4rem;
    border-radius: 18px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover,
.calendar-nav button:hover {
    background: var(--accent-light);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.secondary-btn {
    background: var(--bg-tertiary);
    color: var(--text-color);
    border: 1px solid var(--border);
}

.secondary-btn:hover {
    background: var(--border);
}

.hidden {
    display: none !important;
}

/* Tarjetas del panel de control. */
#plants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
}

.plant-card {
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    background: var(--bg-secondary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.plant-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Mosaico de imagenes: se usa tanto en tarjetas como en galeria. */
.photo-mosaic {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 70px);
    gap: 3px;
    width: 100%;
    height: 146px;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.photo-mosaic.count-1 {
    display: block;
    height: 146px;
}

.photo-mosaic.count-1 .photo-tile {
    height: 100%;
}

.photo-mosaic.count-2 {
    grid-template-rows: 146px;
}

.photo-mosaic.count-3 .photo-tile:first-child {
    grid-row: span 2;
}

.photo-tile {
    min-height: 0;
    position: relative;
    overflow: hidden;
}

.photo-tile img {
    width: 100%;
    height: 100%;
    min-height: 0;
    object-fit: cover;
    display: block;
}

.plant-info {
    padding: 1.1rem;
}

.plant-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.scientific-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 0.9rem;
}

.plant-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.detail {
    background: var(--bg-tertiary);
    padding: 0.7rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
}

.detail strong {
    display: block;
    color: var(--text-color);
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.detail span {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.sunlight-detail .sunlight-dot {
    margin-bottom: 0.4rem;
}

.next-care-date {
    cursor: help;
    border-bottom: 1px dotted currentColor;
}

.care-detail {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.care-status-icon {
    --care-icon-color: #22c55e;
    width: 30px;
    height: 30px;
    margin-bottom: 0.45rem;
    background: var(--care-icon-color);
    display: block;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.watering-icon {
    -webkit-mask-image: url("img/regar.png");
    mask-image: url("img/regar.png");
}

.fertilizing-icon {
    -webkit-mask-image: url("img/abonar.png");
    mask-image: url("img/abonar.png");
}

.care-status-icon.ok {
    --care-icon-color: #22c55e;
}

.care-status-icon.soon {
    --care-icon-color: #f59e0b;
}

.care-status-icon.overdue {
    --care-icon-color: #ef4444;
}

.plant-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.edit-btn,
.delete-btn,
.task-btn {
    border-radius: 14px;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    cursor: pointer;
}

.edit-btn {
    background: #2563eb;
    color: white;
    border: none;
    margin-right: 0.5rem;
}

.edit-btn:hover {
    background: #1d4ed8;
}

.delete-btn {
    background: #dc3545;
    color: white;
    border: none;
}

.delete-btn:hover {
    background: #c82333;
}

/* Calendario mensual y marcadores de actividades. */
#calendar {
    background: var(--bg-secondary);
    border-radius: 24px;
    padding: 1.5rem;
}

.calendar-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.calendar-header h3 {
    font-size: 1.3rem;
    color: var(--text-color);
}

.calendar-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.day-name {
    text-align: center;
    font-weight: 700;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    font-size: 0.8rem;
}

.day {
    min-height: 82px;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 0.75rem;
    background: var(--bg-secondary);
    position: relative;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
}

.day:hover {
    background: var(--bg-tertiary);
}

.day.today {
    border-color: var(--accent);
    background: rgba(77, 139, 77, 0.08);
}

.day.watering {
    background: rgba(16, 185, 129, 0.12);
}

.day.fertilizing {
    background: rgba(245, 158, 11, 0.12);
}

.day.both {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(245, 158, 11, 0.12));
}

.day-number {
    font-weight: 700;
    color: var(--text-color);
}

.day-icons {
    position: absolute;
    top: 0.55rem;
    right: 0.55rem;
    display: flex;
    gap: 0.2rem;
    align-items: center;
}

.day-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
    display: block;
}

.day-label {
    margin-top: 1.05rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* Galeria: cada planta muestra su mosaico y permite agregar fotos. */
#galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.galeria-item {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    cursor: pointer;
}

.galeria-item:hover {
    transform: translateY(-4px);
}

.galeria-item > img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
}

.galeria-item .photo-mosaic {
    height: 260px;
    grid-template-rows: repeat(2, 128px);
    grid-auto-rows: 128px;
    overflow-y: auto;
}

.galeria-item .photo-mosaic.count-1,
.galeria-item .photo-mosaic.count-2 {
    height: 260px;
}

.galeria-item .photo-mosaic.count-2 {
    grid-template-rows: 260px;
}

.galeria-overlay {
    position: absolute;
    inset: auto 0 0 0;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.7));
    padding: 1.5rem 1rem 1rem;
    color: white;
}

.galeria-overlay h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.galeria-overlay p {
    margin-top: 0.2rem;
    font-size: 0.85rem;
    font-style: italic;
    opacity: 0.85;
}

.galeria-overlay span {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.78rem;
    opacity: 0.82;
}

.gallery-add-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.75rem;
    padding: 0.55rem 0.75rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.92);
    color: #0f172a;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
}

.gallery-add-btn:hover {
    background: #ffffff;
}

.gallery-delete-photo {
    position: absolute;
    top: 0.45rem;
    right: 0.45rem;
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: 50%;
    background: rgba(220, 38, 38, 0.9);
    color: white;
    font-size: 0.85rem;
    line-height: 1;
    display: grid;
    place-items: center;
    z-index: 2;
}

.gallery-delete-photo:hover {
    background: #b91c1c;
}

.gallery-file-input {
    display: none;
}

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    margin-top: 2rem;
    padding: 1.5rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-content strong {
    color: var(--text-color);
}

/* Modal del calendario para ver o registrar actividades de un dia. */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 200;
}

.modal.hidden {
    display: none;
}

.modal-content {
    width: min(600px, 100%);
    background: var(--bg-secondary);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    padding: 1.75rem;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.task-card {
    background: var(--bg-tertiary);
    border-radius: 18px;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.task-card h4 {
    margin: 0 0 0.35rem;
    color: var(--text-color);
}

.task-card p {
    margin: 0.15rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.task-btn {
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 14px;
}

.task-btn:hover {
    background: var(--accent-light);
}

/* Responsive mobile first. */
.nav-container {
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 1rem;
}

.brand {
    justify-content: center;
}

.brand-logo {
    width: 180px;
    height: 96px;
}

.nav-tabs {
    justify-content: center;
}

.container {
    padding: 0 1rem;
}

.section {
    padding: 1rem 0;
}

.section-header h2 {
    font-size: 2rem;
}

.control-grid {
    grid-template-columns: 1fr;
}

.form-section,
.calendar-section,
.plants-section {
    padding: 1rem;
    border-radius: 16px;
}

.sunlight-options {
    grid-template-columns: 1fr;
}

.fertilizer-group {
    padding: 0.85rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-tertiary);
}

.fertilizer-group input[type='number'] {
    background: var(--bg-secondary);
}

#plants-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
}

.plant-card {
    width: 100%;
    margin-bottom: 1rem;
}

.plant-details {
    grid-template-columns: 1fr;
}

.plant-info {
    padding: 1rem;
}

#calendar {
    padding: 0.75rem;
}

.calendar-header {
    flex-direction: column;
    align-items: stretch;
}

.calendar-nav {
    justify-content: space-between;
}

.calendar-nav button {
    flex: 1;
    min-width: 0;
    padding: 0.5rem;
    font-size: 0.75rem;
}

.calendar-grid {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.25rem;
}

.day {
    min-height: 50px;
    padding: 0.3rem;
    border-radius: 12px;
    font-size: 0.75rem;
}

.day-number {
    font-size: 0.8rem;
}

.day-label {
    font-size: 0.6rem;
    margin-top: 0.3rem;
}

.day-icon {
    width: 17px;
    height: 17px;
}

.liquid-day-icon,
.liquid-fertilizing-icon {
    border-radius: 50%;
    background: #2563eb;
    color: white;
    display: inline-grid;
    place-items: center;
    font-size: 0.7rem;
    font-weight: 800;
}

.liquid-fertilizing-icon {
    -webkit-mask-image: none;
    mask-image: none;
}

.liquid-fertilizing-icon::after {
    content: 'L';
    color: white;
    font-size: 0.78rem;
    font-weight: 800;
}

#galeria-grid {
    grid-template-columns: 1fr;
    gap: 0.9rem;
}

.galeria-item {
    cursor: default;
    overflow: hidden;
}

.galeria-media .photo-mosaic,
.galeria-item .photo-mosaic,
.galeria-item .photo-mosaic.count-1,
.galeria-item .photo-mosaic.count-2 {
    height: 220px;
}

.galeria-item .photo-mosaic {
    grid-template-rows: repeat(2, 108px);
    grid-auto-rows: 108px;
}

.galeria-item .photo-mosaic.count-2 {
    grid-template-rows: 220px;
}

.galeria-info {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 1rem;
}

.galeria-info h4 {
    margin: 0;
    font-size: 1.05rem;
    color: var(--text-color);
}

.galeria-info p {
    margin-top: 0.15rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

.galeria-info span {
    display: block;
    margin-top: 0.3rem;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.galeria-overlay {
    display: none;
}

.gallery-add-btn {
    align-self: flex-start;
    background: var(--accent);
    color: var(--accent-contrast);
}

.gallery-add-btn:hover {
    background: var(--accent-light);
}

.gallery-delete-photo {
    top: auto;
    right: 0.45rem;
    bottom: 0.45rem;
    width: auto;
    min-width: 74px;
    height: 32px;
    padding: 0 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
}

.modal {
    align-items: flex-start;
    justify-content: center;
    padding: 0.75rem;
    overflow-y: auto;
}

.modal-content {
    width: min(100%, 560px);
    max-height: calc(100vh - 1.5rem);
    overflow-y: auto;
    border-radius: 18px;
    padding: 1.25rem;
}

.task-card {
    align-items: stretch;
    flex-direction: column;
}

.task-actions,
.manual-task-controls,
.manual-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.task-select {
    width: 100%;
    padding: 0.65rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-tertiary);
    color: var(--text-color);
}

.task-btn {
    width: 100%;
}

.task-btn-success {
    background: #10b981;
}

@media (min-width: 481px) {
    .day {
        min-height: 58px;
        padding: 0.4rem;
    }

    #galeria-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .task-btn {
        width: auto;
    }
}

@media (min-width: 681px) {
    .nav-container {
        padding: 0.75rem 2rem;
    }

    .brand-logo {
        width: 220px;
        height: 120px;
    }

    .sunlight-options {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .plant-details {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .calendar-grid {
        gap: 0.35rem;
    }

    .day {
        min-height: 68px;
        padding: 0.55rem;
        border-radius: 16px;
        font-size: 0.85rem;
    }

    .day-icon {
        width: 19px;
        height: 19px;
    }

    .galeria-info {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

    .modal {
        align-items: center;
        padding: 1.5rem;
    }

    .modal-content {
        width: min(760px, 100%);
        max-height: calc(100vh - 3rem);
        padding: 1.75rem;
    }

    .task-card {
        flex-direction: row;
        align-items: center;
    }

    .task-select {
        width: auto;
        min-width: 220px;
    }
}

@media (min-width: 901px) {
    .nav-container {
        flex-direction: row;
        align-items: center;
    }

    .brand {
        justify-content: flex-start;
    }

    .brand-logo {
        width: 260px;
        height: 150px;
    }

    .control-grid {
        grid-template-columns: minmax(320px, 0.85fr) minmax(540px, 1.15fr);
    }

    .form-section,
    .calendar-section,
    .plants-section {
        padding: 2rem;
        border-radius: 24px;
    }

    #plants-grid {
        grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    }

    #calendar {
        padding: 1.5rem;
    }

    .day {
        min-height: 82px;
        padding: 0.75rem;
        border-radius: 18px;
    }

    .modal-content {
        width: min(920px, calc(100vw - 4rem));
    }
}

/* Estilos para Login y Registro */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.3s ease;
}

.login-screen.hidden {
    display: none;
    pointer-events: none;
}

.login-container {
    backdrop-filter: blur(10px);
    background: var(--bg-secondary);
    border-radius: 16px;
    box-shadow: 0 20px 60px var(--shadow);
    padding: 2.5rem;
    max-width: 400px;
    width: 90%;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    display: block;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow);
}

.login-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-screen form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-screen .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.login-screen .form-group label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.login-screen .form-group input {
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-tertiary);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.login-screen .form-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 3px rgba(77, 139, 77, 0.1);
}

.login-buttons,
.register-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.login-btn,
.register-btn {
    flex: 1;
    min-width: 120px;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.login-btn {
    background: var(--accent);
    color: var(--accent-contrast);
}

.login-btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(77, 139, 77, 0.3);
}

.login-btn:active {
    transform: translateY(0);
}

.register-btn {
    background: var(--bg-tertiary);
    color: var(--text-color);
    border: 2px solid var(--border);
}

.register-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.login-message {
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    min-height: 1.5rem;
    transition: all 0.3s ease;
}

.login-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid #10b981;
}

.login-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid #ef4444;
}

/* Estilos para info de usuario y logout */
.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border);
}

#user-display {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.logout-btn {
    padding: 0.5rem 1rem;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid #ef4444;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: #ef4444;
    color: white;
}

/* Responsive Login mobile first. */
.login-container {
    padding: 1.5rem;
    max-width: 100%;
}

.login-logo {
    width: 60px;
    height: 60px;
}

.login-header h1 {
    font-size: 1.5rem;
}

.login-buttons,
.register-buttons {
    flex-direction: column;
}

.login-btn,
.register-btn {
    width: 100%;
}

.user-info {
    flex-wrap: wrap;
    border-left: none;
    border-top: 2px solid var(--border);
    padding-left: 0;
    padding-top: 0.5rem;
}

@media (min-width: 769px) {
    .login-container {
        padding: 2.5rem;
        max-width: 400px;
    }

    .login-logo {
        width: 80px;
        height: 80px;
    }

    .login-header h1 {
        font-size: 1.8rem;
    }

    .login-buttons,
    .register-buttons {
        flex-direction: row;
    }

    .login-btn,
    .register-btn {
        width: auto;
    }

    .user-info {
        flex-wrap: nowrap;
        border-left: 2px solid var(--border);
        border-top: none;
        padding-left: 1rem;
        padding-top: 0;
    }
}