/* ---- VARIABLES DE TEMA ---- */
:root {
    /* Colores base para modo claro */
    --color-bg: #f4f7f9;
    --color-surface: #ffffff;
    --color-surface-secondary: #f8f9fa;
    --color-text: #333333;
    --color-text-light: #888888;
    --color-border: #e0e0e0;
    --color-shadow: rgba(0, 0, 0, 0.08);

    /* Colores de estado y acento */
    --color-completed: #2ecc71;
    --color-pending: #f39c12;
    --color-danger: #e74c3c;
    --color-overdue: #d63031;
    --color-urgent: #e74c3c;
    --color-important: #f39c12;

    /* Variables HSL para el color primario dinámico */
    --primary-hue: 210;         /* Azul por defecto */
    --primary-saturation: 79%;
    --primary-lightness: 61%;

    /* Colores primarios generados a partir de HSL */
    --color-primary: hsl(var(--primary-hue), var(--primary-saturation), var(--primary-lightness));
    --color-primary-dark: hsl(var(--primary-hue), var(--primary-saturation), calc(var(--primary-lightness) - 10%));

    /* Estilos generales */
    --font-family: 'Inter', sans-serif;
    --border-radius: 12px;
}

/* ---- VARIABLES PARA MODO OSCURO ---- */
body.dark-mode {
    --color-bg: #121212;
    --color-surface: #1e1e1e;
    --color-surface-secondary: #2a2a2a;
    --color-text: #e0e0e0;
    --color-text-light: #a0a0a0;
    --color-border: #3a3a3a;
    --color-shadow: rgba(0, 0, 0, 0.25);

    --color-urgent: #ff6b6b;
    --color-important: #feca57;
    --color-overdue: #ff7675;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 30px;
    padding-bottom: 100px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ---- LAYOUT PRINCIPAL ---- */
.todo-app {
    width: 100%;
    max-width: 600px;
    background-color: var(--color-surface);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--color-shadow);
    transition: background-color 0.3s ease;
}

/* ---- CABECERA Y ACCIONES ---- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
}

.header__title {
    font-weight: 700;
    font-size: 2rem;
    flex-shrink: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--color-primary);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.header__button {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s ease;
}

.header__button svg {
    width: 24px;
    height: 24px;
    fill: var(--color-text-light);
}

.header__button:hover {
    background-color: var(--color-border);
}

/* ---- PLANIFICADOR SEMANAL ---- */
.planner-controls {
    margin-bottom: 25px;
    background-color: var(--color-surface-secondary);
    border-radius: var(--border-radius);
    padding: 15px;
}

.week-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

#current-week-display {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
}

.week-nav-btn {
    background: none;
    border: 1px solid transparent;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--color-text-light);
    transition: all 0.2s ease;
}

.week-nav-btn:hover {
    background-color: var(--color-border);
    color: var(--color-text);
}

.day-selector {
    display: flex;
    justify-content: space-between;
    gap: 5px;
}

.day-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    border: none;
    background-color: transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border: 2px solid transparent;
    color: var(--color-text); 
}

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

.day-btn.active {
    background-color: var(--color-primary);
    color: white;
}

.day-btn.today {
    border-color: var(--color-primary);
}

.day-name {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    pointer-events: none;
}

.day-number {
    font-size: 1.2rem;
    font-weight: 700;
    pointer-events: none;
}

.day-btn.active .day-name, .day-btn.active .day-number {
    color: white;
}

.current-date-header {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--color-text);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

/* ---- NOTIFICACIÓN DE PAPELERA ---- */
.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--color-danger);
    color: white;
    font-size: 10px;
    font-weight: bold;
    border-radius: 50%;
    min-width: 18px;
    height: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2px;
    border: 2px solid var(--color-surface);
    transform: scale(0);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.notification-badge.visible {
    transform: scale(1);
    opacity: 1;
}

/* ---- INTERRUPTOR DE TEMA (Dentro de modal)---- */
.theme-switcher {
    position: relative;
}

.theme-switcher__toggle {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-switcher__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 60px;
    height: 30px;
    background-color: var(--color-border);
    border-radius: 30px;
    padding: 5px;
    cursor: pointer;
    position: relative;
    transition: background-color 0.3s ease;
}

.theme-switcher__label::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.theme-switcher__toggle:checked+.theme-switcher__label::after {
    transform: translateX(30px);
}

.theme-switcher__icon--sun,
.theme-switcher__icon--moon {
    font-size: 16px;
}

/* ---- DASHBOARD ---- */
.dashboard {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    background-color: var(--color-surface-secondary);
    padding: 20px;
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
}

.task-stats {
    display: flex;
    gap: 30px;
}

.stat-item {
    text-align: center;
}

.stat-item__count {
    font-size: 2.5rem;
    font-weight: 700;
}

#pending-count {
    color: var(--color-pending);
}

#completed-count {
    color: var(--color-completed);
}

.stat-item__label {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.chart-container {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
}

/* ---- FORMULARIO ---- */
.task-form {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.task-form__input {
    flex-grow: 1;
    padding: 12px 15px;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-surface);
    color: var(--color-text);
    transition: all 0.3s ease;
}

.task-form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.task-form__button {
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 500;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.task-form__button:hover {
    background-color: var(--color-primary-dark);
}

/* ---- BARRA DE CONTROLES ---- */
.controls-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.filter-controls {
    display: flex;
    gap: 5px;
    background-color: var(--color-surface-secondary);
    padding: 5px;
    border-radius: var(--border-radius);
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-text-light);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--color-primary);
    color: white;
}

.filter-badge {
    font-size: 10px;
    font-weight: bold;
    color: white;
    border-radius: 8px;
    padding: 2px 6px;
    line-height: 1;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.filter-badge.visible {
    opacity: 1;
    transform: scale(1);
}

#all-badge { background-color: var(--color-primary-dark); }
#priority-badge { background-color: var(--color-important); }
#completed-badge { background-color: var(--color-completed); }

.search-sort-controls {
    display: flex;
    gap: 10px;
    flex-grow: 1;
}

.search-input {
    width: 100%;
}

.search-input,
.sort-select {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background-color: var(--color-surface);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 0.9rem;
}

.search-input:focus,
.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ---- LISTA DE TAREAS Y ANIMACIONES ---- */
.task-list-container {
    margin-top: 15px;
    position: relative;
    min-height: 50px;
}

.task-list {
    list-style: none;
    padding: 0;
}

.task-list__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s ease, border-left-color 0.3s ease;
    border-left: 4px solid transparent;
    opacity: 1;
    transform: translateX(0);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-item--new {
    animation: fadeInDown 0.3s ease-out forwards;
}

.task-list__item--urgent {
    border-left-color: var(--color-urgent);
    background-color: color-mix(in srgb, var(--color-urgent) 8%, var(--color-surface));
}

.task-list__item--important {
    border-left-color: var(--color-important);
    background-color: color-mix(in srgb, var(--color-important) 8%, var(--color-surface));
}

.task-list__item:hover {
    background-color: color-mix(in srgb, var(--color-border) 50%, var(--color-surface));
}

.task-list__checkbox {
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: var(--color-completed);
    flex-shrink: 0;
}

.task-list__label {
    flex-grow: 1;
    cursor: pointer;
    transition: color 0.3s ease, text-decoration 0.3s ease;
    word-break: break-word;
}

.task-list__item.completed .task-list__label {
    text-decoration: line-through;
    color: var(--color-text-light);
}

.task-duedate {
    font-size: 0.8rem;
    color: var(--color-text-light);
    background-color: var(--color-surface-secondary);
    padding: 3px 8px;
    border-radius: 12px;
    margin-left: auto;
    white-space: nowrap;
    flex-shrink: 0;
}

.task-duedate.overdue {
    color: var(--color-overdue);
    font-weight: 500;
}

.task-list__edit-input {
    display: none;
}

.task-list__item.editing .task-list__edit-input {
    display: block;
    flex-grow: 1;
}

.task-list__item.editing .task-list__label,
.task-list__item.editing .task-list__checkbox,
.task-list__item.editing .task-duedate {
    display: none;
}

.task-list__edit-input {
    font-size: 1rem;
    padding: 5px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-family);
    background-color: var(--color-surface);
    color: var(--color-text);
}

.task-list__edit-input:focus {
    outline: 1px solid var(--color-primary);
}

.task-list__actions {
    display: flex;
    flex-shrink: 0;
}

.task-list__button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s ease;
}

.task-list__button svg {
    width: 18px;
    height: 18px;
    fill: var(--color-text-light);
    transition: fill 0.2s ease;
    pointer-events: none;
}

.task-list__button.task-list__duedate-button:hover {
    background-color: color-mix(in srgb, var(--color-completed) 15%, transparent);
}

.task-list__button.task-list__duedate-button:hover svg {
    fill: var(--color-completed);
}

.task-list__button.task-list__priority-button:hover {
    background-color: color-mix(in srgb, var(--color-important) 15%, transparent);
}

.task-list__button.task-list__priority-button:hover svg {
    fill: var(--color-important);
}

.task-list__button.task-list__edit-button:hover {
    background-color: color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.task-list__button.task-list__edit-button:hover svg {
    fill: var(--color-primary);
}

.task-list__button.task-list__delete-button:hover {
    background-color: color-mix(in srgb, var(--color-danger) 15%, transparent);
}

.task-list__button.task-list__delete-button:hover svg {
    fill: var(--color-danger);
}

/* ---- ESTILOS DE MODALES ---- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    max-height: 80vh;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.visible .modal {
    transform: scale(1);
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-size: 1.25rem;
}

.modal__close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-text-light);
    line-height: 1;
}

.modal__body {
    padding: 20px;
    overflow-y: auto;
}

.modal__footer {
    padding: 15px 20px;
    border-top: 1px solid var(--color-border);
    text-align: right;
}

.modal__action-btn {
    background-color: var(--color-danger);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.modal__action-btn:hover {
    background-color: color-mix(in srgb, var(--color-danger) 80%, black);
}

.modal__action-btn:disabled {
    background-color: var(--color-text-light);
    cursor: not-allowed;
}

.modal__action-btn--secondary {
    background-color: var(--color-border);
    color: var(--color-text);
}

.modal__action-btn--secondary:hover {
    background-color: color-mix(in srgb, var(--color-border) 80%, black);
}

/* ---- Listas en Modales, Exportación, Menú Contextual, etc. ---- */
.bin-list,
.properties-list {
    list-style: none;
    padding: 0;
}

.bin-list__item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.bin-list__item:last-child {
    border-bottom: none;
}

.bin-list__text {
    flex-grow: 1;
    color: var(--color-text-light);
    text-decoration: line-through;
    word-break: break-word;
}

.bin-list__restore-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.bin-list__restore-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--color-completed);
    pointer-events: none;
}

.bin-list__restore-btn:hover {
    background-color: color-mix(in srgb, var(--color-completed) 15%, transparent);
}

.properties-list {
    line-height: 1.8;
}

.properties-list strong {
    color: var(--color-text);
}

.properties-list span {
    color: var(--color-text-light);
}

.priority-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.priority-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: transparent;
    color: var(--color-text);
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.priority-option:hover {
    background-color: var(--color-surface-secondary);
}

.priority-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
}

.priority-indicator.urgent {
    background-color: var(--color-urgent);
}

.priority-indicator.important {
    background-color: var(--color-important);
}

.priority-indicator.normal {
    background-color: var(--color-text-light);
}

.duedate-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 1rem;
    background-color: var(--color-surface);
    color: var(--color-text);
}

.context-menu {
    position: absolute;
    z-index: 2000;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--color-shadow);
    padding: 5px;
    display: none;
}

.context-menu__list {
    list-style: none;
}

.context-menu__item {
    padding: 8px 15px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.context-menu__item:hover {
    background-color: var(--color-primary);
    color: white;
}

.context-menu__item.disabled {
    color: var(--color-text-light);
    cursor: not-allowed;
    background-color: transparent !important;
}

.export-section, .settings-section {
    margin-bottom: 25px;
}

.export-section:last-child, .settings-section:last-child {
    margin-bottom: 0;
}

.export-title {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--color-text);
}

.export-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.export-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.export-btn {
    flex-grow: 1;
    background-color: var(--color-surface-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.1s ease, border-color 0.2s ease;
}

.export-btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.export-btn:active {
    transform: scale(0.97);
}

/* ---- Estilos de Configuración y Personalización ---- */
.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(45px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.color-swatch {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--color-border);
    transition: transform 0.2s ease, border-color 0.2s ease;
    position: relative;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.color-swatch.active {
    border-color: var(--color-primary);
}

.color-swatch.active::after {
    content: '✔';
    color: white;
    font-size: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-shadow: 0 0 4px rgba(0,0,0,0.5);
}

/* ---- Contenido de modales de ayuda y acerca de ---- */
.manual-content h3,
.about-content h3 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-top: 15px;
    margin-bottom: 5px;
}

.manual-content h3:first-child,
.about-content h3:first-child {
    margin-top: 0;
}

.manual-content p,
.about-content p {
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 10px;
}

.manual-content ul,
.about-content ul {
    line-height: 1.6;
    color: var(--color-text-light);
    padding-left: 20px;
    margin-bottom: 15px;
}

.manual-content ul li::marker,
.about-content ul li::marker {
    color: var(--color-primary);
}

.about-content hr {
    border: none;
    height: 1px;
    background-color: var(--color-border);
    margin: 15px 0;
}

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

/*
==============================================
ESTILOS RESPONSIVOS
==============================================
*/

@media (max-width: 620px) {
    body { 
        padding: 15px 2vw; /* <-- MODIFICADO */
        padding-bottom: 100px; 
    }
    .todo-app { 
        padding: 20px; 
        width: 96vw; /* <-- AÑADIDO */
    }
    .header, .controls-bar { flex-direction: column; align-items: stretch; gap: 10px; }
    .header__actions, .search-sort-controls { width: 100%; justify-content: center; }
    .search-sort-controls { flex-grow: 0; }
    .day-name { font-size: 0.65rem; }
    .day-number { font-size: 1rem; }
}

@media(max-width: 480px) {
    body { 
        padding: 10px 2vw; /* <-- MODIFICADO */
        padding-bottom: 100px; 
        align-items: flex-start; 
    }
    .todo-app { 
        padding: 15px; 
        width: 96vw; /* <-- AÑADIDO */
    }
    .header__title { font-size: 1.6rem; text-align: center; width: 100%; }
    .header__actions { gap: 2px; flex-wrap: wrap; }
    .header__button { flex-grow: 1; }
    .dashboard { flex-direction: column; align-items: center; }
    .task-list__actions { gap: 0; }
    .task-list__button { width: 30px; height: 30px; }
    .task-duedate { display: none; }
    .task-form { flex-direction: column; }
    .search-sort-controls { flex-direction: column; }
    .day-selector { gap: 2px; }
    
    .day-btn { padding: 6px 2px; gap: 2px; }
    .day-name { font-size: 0.6rem; }
    .day-number { font-size: 1rem; }
}

@media(max-width: 450px) {
    #filter-controls{
        flex-direction: column;
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
    }
}

/*
==============================================
NUEVOS ESTILOS PARA ADSENSE Y PÁGINAS
==============================================
*/

.ad-placeholder {
    width: 100%;
    min-height: 100px;
    margin: 20px 0;
    background-color: var(--color-surface-secondary);
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.page-wrapper {
    width: 100%;
    max-width: 600px;
    background-color: var(--color-surface);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--color-shadow);
    margin: 0 auto;
}

.page-back-btn {
    background: none;
    border: none;
    color: var(--color-primary);
    font-weight: 500;
    cursor: pointer;
    font-size: 1rem;
    margin-bottom: 20px;
    padding: 5px 0;
}

.page-wrapper h2 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 10px;
}

.page-content p, .page-content li {
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 15px;
}

.page-content h3 {
    font-size: 1.2rem;
    margin-top: 25px;
    margin-bottom: 10px;
}

.page-content a {
    color: var(--color-primary);
    text-decoration: none;
}

.page-content a:hover {
    text-decoration: underline;
}

.page-content ul {
    padding-left: 20px;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    box-shadow: 0 -2px 10px var(--color-shadow);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 15px;
    z-index: 900;
}

.footer-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--color-primary);
}