@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Lora:wght@400;700&display=swap');

:root {
    --light-bg: #f6f8fc; --light-card-bg: #ffffff; --light-text: #3c4043; --light-primary: #1a73e8; --light-secondary: #89b9f5; --light-border: #dadce0; --light-shadow: rgba(60, 64, 67, 0.15);
    --dark-bg: #202124; --dark-card-bg: #2d2e30; --dark-text: #e8eaed; --dark-primary: #8ab4f8; --dark-secondary: #94bde8; --dark-border: #5f6368; --dark-shadow: rgba(0, 0, 0, 0.3);
    --font-family-modern: 'Poppins', sans-serif; --font-family-classic: 'Lora', serif;
}

[data-theme="light"] { --bg-color: var(--light-bg); --card-bg: var(--light-card-bg); --text-color: var(--light-text); --primary-color: var(--light-primary); --secondary-color: var(--light-secondary); --border-color: var(--light-border); --shadow-color: var(--light-shadow); }
[data-theme="dark"] { --bg-color: var(--dark-bg); --card-bg: var(--dark-card-bg); --text-color: var(--dark-text); --primary-color: var(--dark-primary); --secondary-color: var(--dark-secondary); --border-color: var(--dark-border); --shadow-color: var(--dark-shadow); }

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-family-modern); background-color: var(--bg-color); color: var(--text-color); padding-top: 80px; transition: background-color 0.3s, color 0.3s; }

/* NAVBAR CORREGIDA */
.navbar { background: var(--card-bg); box-shadow: 0 1px 3px var(--shadow-color); padding: 1rem 2rem; position: fixed; top: 0; left: 0; width: 100%; z-index: 1001; display: flex; justify-content: space-between; align-items: center; }
.nav-left { flex: 0 1 auto; /* No crece, se ajusta al contenido */ }
.nav-brand { flex: 1; text-align: center; font-size: 1.5rem; font-weight: 700; color: var(--primary-color); text-decoration: none; }
.nav-links { flex: 1; list-style: none; display: flex; gap: 1.5rem; justify-content: flex-end; }
.nav-dashboard-link { color: var(--primary-color); text-decoration: none; font-weight: 600; display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 8px; transition: background-color 0.2s, color 0.2s; white-space: nowrap; }
.nav-dashboard-link:hover { background-color: var(--bg-color); }
.nav-dashboard-link.active { background-color: var(--primary-color); color: white; }
.nav-links a { text-decoration: none; color: var(--text-color); font-weight: 600; padding-bottom: 5px; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a.active { color: var(--primary-color); border-bottom-color: var(--primary-color); }

/* CONTROLES Y AJUSTES */
.ui-controls { position: fixed; bottom: 20px; right: 20px; z-index: 1000; display: flex; align-items: center; gap: 15px; background: var(--card-bg); padding: 10px 15px; border-radius: 50px; box-shadow: 0 4px 15px var(--shadow-color); }
.settings-gear { font-size: 1.5rem; color: var(--text-color); cursor: pointer; }
.theme-switch-label { position: relative; display: inline-block; width: 50px; height: 26px; }
.theme-switch-label input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; border-radius: 34px; transition: .4s; }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px; background-color: white; border-radius: 50%; transition: .4s; }
input:checked + .slider { background-color: var(--primary-color); }
input:checked + .slider:before { transform: translateX(24px); }
.settings-panel { position: fixed; top: 0; right: 0; width: 320px; height: 100%; background: var(--bg-color); box-shadow: -5px 0 25px var(--shadow-color); z-index: 1002; transform: translateX(100%); transition: transform 0.4s ease-in-out; display: flex; flex-direction: column; }
.settings-panel.open { transform: translateX(0); }
.settings-header { padding: 1rem 1.5rem; background-color: var(--card-bg); border-bottom: 1px solid var(--border-color); }
.settings-header h3 { color: var(--primary-color); margin: 0; display: flex; justify-content: space-between; align-items: center; }
.settings-header i { cursor: pointer; }
.settings-content { padding: 1.5rem; flex-grow: 1; }
.setting-item { margin-bottom: 1.5rem; }
.setting-item label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
.setting-item select { width: 100%; padding: 8px; border-radius: 5px; border: 1px solid var(--border-color); background: var(--card-bg); color: var(--text-color); }
.settings-footer { padding: 1.5rem; border-top: 1px solid var(--border-color); }
.reset-btn { width: 100%; padding: 10px; background: var(--primary-color); color: white; font-weight: 600; border: none; border-radius: 5px; cursor: pointer; }

/* LAYOUT Y TARJETAS */
.container { max-width: 1200px; margin: 0 auto; padding: 2rem; }
.page-header { text-align: center; margin-bottom: 2rem; color: var(--primary-color); }
.section-title { text-align: center; font-size: 2rem; margin: 3rem 0 2rem 0; color: var(--primary-color); }
.card { background: var(--card-bg); border-radius: 12px; padding: 2rem 1.5rem; text-align: center; box-shadow: 0 2px 8px var(--shadow-color); border: 1px solid var(--border-color); transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 5px 15px var(--shadow-color); }
.card-container, .tools-card-container, .quick-access-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.tools-card-container, .quick-access-container { grid-template-columns: repeat(4, 1fr); }
.card-icon { font-size: 2.5rem; color: var(--secondary-color); margin-bottom: 1rem; }
.card h3, .card-title { font-size: 1.2rem; color: var(--primary-color); margin-bottom: 0.8rem; }
.card p { font-size: 0.9rem; margin-bottom: 1.5rem; color: var(--text-color); opacity: 0.8; }
.btn { display: inline-block; background-color: var(--secondary-color); color: white !important; padding: 0.7rem 1.5rem; text-decoration: none; border-radius: 50px; font-weight: 600; }
.btn:hover { background-color: var(--primary-color); }
.quick-access-card { text-decoration: none; display: flex; flex-direction: column; justify-content: center; align-items: center; }

/* WIDGETS */
.widget-section { margin-bottom: 3rem; }
.widget-grid-secondary { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.widget-card, .widget-card-full { padding: 1.5rem; display: flex; flex-direction: column; }
.widget-card h4, .widget-card-full h4 { font-size: 1.2rem; color: var(--primary-color); margin-bottom: 1rem; border-bottom: 1px solid var(--border-color); padding-bottom: 1rem; }
.widget-card h4 i, .widget-card-full h4 i { margin-right: 0.5rem; }
.widget-placeholder { flex-grow: 1; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--text-color); opacity: 0.6; }
.mini-kanban-board { display: flex; gap: 1rem; }
.mini-kanban-col { flex: 1; display: flex; flex-direction: column; background-color: var(--bg-color); border-radius: 8px; padding: 0.75rem; border: 1px solid var(--border-color); }
.mini-kanban-col h5 { text-align: center; margin-bottom: 1rem; color: var(--text-color); opacity: 0.8; }
.mini-kanban-col h5 i { margin-right: 0.5rem; color: var(--secondary-color); }
.mini-kanban-tasks { flex-grow: 1; min-height: 200px; padding: 0.25rem; border-radius: 4px; transition: background-color 0.2s; }
.mini-kanban-col.drag-over .mini-kanban-tasks { background-color: rgba(138, 180, 248, 0.2); }
.mini-kanban-task { background: var(--card-bg); color: var(--text-color); padding: 0.75rem; border-radius: 4px; margin-bottom: 0.5rem; cursor: grab; box-shadow: 0 1px 2px var(--shadow-color); font-size: 0.9rem; word-wrap: break-word; display: flex; justify-content: space-between; align-items: center; }
.mini-kanban-task.dragging { opacity: 0.5; }
.delete-task-btn { background: none; border: none; color: var(--text-color); opacity: 0.4; cursor: pointer; font-size: 1.2rem; line-height: 1; transition: opacity 0.2s, color 0.2s; }
.mini-kanban-task:hover .delete-task-btn { opacity: 1; }
.delete-task-btn:hover { color: #e74c3c; }
.new-task-input { border: 1px dashed var(--border-color); border-radius: 4px; padding: 0.75rem; width: 100%; margin-top: 1rem; background-color: transparent; color: var(--text-color); font-size: 0.9rem; }
.new-task-input:focus { outline: none; border-style: solid; border-color: var(--primary-color); }

/* Checklist Widget */
.widget-scroll-content { max-height: 250px; overflow-y: auto; padding-right: 0.5rem; margin-bottom: 1rem; }
#checklist-container { display: flex; flex-direction: column; gap: 0.75rem; }
.checklist-item { display: flex; align-items: center; font-size: 0.95rem; }
.checklist-item label { text-decoration: none; transition: opacity 0.2s, text-decoration 0.2s; }
.checklist-item label.done { text-decoration: line-through; opacity: 0.6; }
.checklist-item input[type="checkbox"] { margin-right: 0.75rem; width: 18px; height: 18px; cursor: pointer; }
.delete-check-btn { margin-left: auto; background: none; border: none; color: var(--text-color); opacity: 0.4; cursor: pointer; font-size: 1.2rem; transition: opacity 0.2s, color 0.2s; }
.checklist-item:hover .delete-check-btn { opacity: 1; }
.delete-check-btn:hover { color: #e74c3c; }
.checklist-add-task { display: flex; gap: 0.5rem; margin-top: 1rem; border-top: 1px solid var(--border-color); padding-top: 1rem; }
#checklist-input { flex-grow: 1; padding: 0.5rem; border: 1px solid var(--border-color); border-radius: 4px; }
#checklist-add-btn { background: var(--primary-color); color: white; border: none; border-radius: 4px; padding: 0 0.8rem; cursor: pointer; font-size: 1.2rem; }

/* FOOTER */
footer { background-color: var(--card-bg); color: var(--text-color); text-align: center; padding: 2rem; margin-top: 4rem; border-top: 1px solid var(--border-color); }

@media (max-width: 992px) { .tools-card-container, .card-container, .widget-grid-secondary { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .navbar { flex-wrap: wrap; } .nav-brand { order: -1; width: 100%; text-align: center; padding-bottom: 1rem;} .nav-left, .nav-links { flex-basis: 50%; } }
@media (max-width: 576px) { .tools-card-container, .card-container, .quick-access-container, .widget-grid-secondary { grid-template-columns: 1fr; } .nav-brand { text-align: left; } .nav-left { display: none; } }
/* --- ESTILOS PARA WIDGET CALCULADORA DE VENCIMIENTO --- */
.due-date-calc-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-grow: 1; /* Para que ocupe el espacio disponible */
}
.due-date-calc-content label {
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.9;
}
.due-date-calc-content input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-color);
    color: var(--text-color);
}
.due-date-calc-content input[readonly] {
    background-color: var(--border-color);
    font-weight: bold;
    color: var(--primary-color);
    cursor: not-allowed;
}
/* --- ESTILOS PARA WIDGET CALCULADORA ESTÁNDAR --- */
.calculator-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-top: 1rem;
}
.calculator-display {
    grid-column: 1 / -1;
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 1rem;
    font-size: 2rem;
    text-align: right;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    word-wrap: break-word;
    word-break: break-all;
}
.calc-btn {
    padding: 1rem 0;
    font-size: 1.2rem;
    border: none;
    border-radius: 8px;
    background-color: var(--card-bg);
    box-shadow: 0 2px 2px var(--shadow-color);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    color: var(--text-color);
}
.calc-btn:hover {
    filter: brightness(95%);
}
[data-theme="dark"] .calc-btn:hover {
    filter: brightness(120%);
}
.calc-btn:active {
    transform: scale(0.95);
}
.calc-btn.operator {
    background-color: var(--secondary-color);
    color: white;
}
.calc-btn.equals {
    background-color: var(--primary-color);
    color: white;
}
.calc-btn.zero {
    grid-column: 1 / span 2;
}
/* --- ESTILOS PARA PÁGINA DE PLANTILLAS --- */
.template-main-card, .template-manage-card {
    margin-bottom: 2rem;
}
.template-controls {
    display: flex; gap: 1rem; align-items: center; margin: 0.5rem 0 1rem 0;
}
.widget-select { flex-grow: 1; padding: 0.75rem; font-size: 1rem; border: 1px solid var(--border-color); border-radius: 6px; background-color: var(--bg-color); color: var(--text-color); }
.widget-btn { padding: 0.75rem 1.25rem; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; transition: background-color 0.2s; }
.widget-btn.primary { background-color: var(--primary-color); color: white; }
.widget-btn.secondary { background-color: #6c757d; color: white; }
.widget-textarea { width: 100%; padding: 1rem; border: 1px solid var(--border-color); border-radius: 8px; background-color: var(--bg-color); color: var(--text-color); resize: vertical; font-size: 1rem; line-height: 1.6; }
.widget-textarea#template-preview { min-height: 250px; }
.widget-textarea.small { min-height: 150px; }
.widget-input { width: 100%; padding: 0.75rem; font-size: 1rem; border: 1px solid var(--border-color); border-radius: 6px; background-color: var(--bg-color); color: var(--text-color); }
.template-manager-layout { display: grid; grid-template-columns: 350px 1fr; gap: 2rem; }
.template-list-container, .template-form-container { display: flex; flex-direction: column; }
.template-list-container h4, .template-form-container h4 { margin-bottom: 1rem; color: var(--primary-color); }
.widget-scroll-content { flex-grow: 1; max-height: 300px; overflow-y: auto; padding: 0.5rem; background-color: var(--bg-color); border: 1px solid var(--border-color); border-radius: 8px; }
.template-list-item { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem; border-radius: 6px; cursor: pointer; transition: background-color 0.2s; border: 1px solid transparent; }
.template-list-item:hover { background-color: var(--border-color); }
.template-list-item.active { background-color: var(--secondary-color); color: white; border-color: var(--primary-color); }
.template-list-item.active .template-name, .template-list-item.active .template-item-actions button { color: white; }
.template-list-item .template-name { font-weight: 500; }
.template-item-actions button { background: none; border: none; cursor: pointer; color: var(--text-color); opacity: 0.5; }
.template-item-actions button:hover { opacity: 1; }
.delete-btn:hover { color: #e74c3c; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
.form-actions { display: flex; gap: 1rem; margin-top: 1rem; }