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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    overflow: hidden;
}

.calendar-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: white;
    margin: 0;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.calendar-header h1 {
    font-size: 28px;
    font-weight: 600;
    flex: 1;
    text-align: center;
}

.btn-nav {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 36px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-nav:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

.btn-today {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin: 0 10px;
}

.btn-today:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.btn-new-event {
    background: white;
    color: #667eea;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-left: 20px;
}

.btn-new-event:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-logout {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-left: 10px;
    text-decoration: none;
    display: inline-block;
}

.btn-logout:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
    color: white;
}

.calendar-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: auto repeat(6, 1fr);
    gap: 1px;
    background: #e0e0e0;
    padding: 1px;
    overflow: auto;
}

.day-header {
    background: #f5f5f5;
    padding: 15px;
    text-align: center;
    font-weight: 600;
    color: #555;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.day-cell {
    background: white;
    padding: 8px;
    min-height: 120px;
    position: relative;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    flex-direction: column;
    overflow: visible;
}

.day-cell .day-number {
    flex-shrink: 0;
}

.day-cell .events-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: calc(100vh - 200px);
    min-height: 0;
    padding-right: 2px;
}

.day-cell .events-container::-webkit-scrollbar {
    width: 4px;
}

.day-cell .events-container::-webkit-scrollbar-track {
    background: transparent;
}

.day-cell .events-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

.day-cell .events-container::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

.day-cell:hover {
    background: #f9f9f9;
}

.day-cell.other-month {
    background: #f5f5f5;
    color: #999;
}

.day-cell.today {
    background: #e3f2fd;
    border: 2px solid #2196f3;
}

.day-number {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 5px;
    color: #333;
}

.day-cell.other-month .day-number {
    color: #bbb;
}

.event-item {
    background: #3498db;
    color: white;
    padding: 4px 8px;
    margin: 2px 0;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: all 0.2s;
    position: relative;
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
}

.event-item:hover {
    transform: translateX(2px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.event-item.realizado {
    opacity: 0.6;
    text-decoration: line-through;
}

.event-item.reprogramado {
    border-left: 3px solid #ff9800;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover {
    color: #000;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #e0e0e0;
    color: #333;
}

.btn-secondary:hover {
    background: #d0d0d0;
}

.btn-success {
    background: #4caf50;
    color: white;
}

.btn-success:hover {
    background: #45a049;
}

.btn-warning {
    background: #ff9800;
    color: white;
}

.btn-warning:hover {
    background: #f57c00;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover {
    background: #da190b;
}

.event-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

#detailContent {
    margin: 20px 0;
    line-height: 1.8;
}

#detailContent p {
    margin: 10px 0;
}

#detailContent strong {
    color: #667eea;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: white;
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 300px;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #667eea;
}

.toast.success::before {
    background: #4caf50;
}

.toast.error::before {
    background: #f44336;
}

.toast.warning::before {
    background: #ff9800;
}

.toast-icon {
    font-size: 24px;
}

.toast.success .toast-icon {
    color: #4caf50;
}

.toast.error .toast-icon {
    color: #f44336;
}

.toast.warning .toast-icon {
    color: #ff9800;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: #333;
}

.toast-message {
    font-size: 14px;
    color: #666;
}

.toast-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #999;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.toast-close:hover {
    background: #f0f0f0;
    color: #333;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.fade-out {
    animation: slideOutRight 0.3s ease-out forwards;
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Mejoras de eventos */
.event-item {
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.event-item:hover {
    transform: translateX(2px) scale(1.02);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 10;
}

/* Mejoras de formulario */
.form-group input:invalid:not(:placeholder-shown) {
    border-color: #f44336;
}

.form-group input:valid:not(:placeholder-shown) {
    border-color: #4caf50;
}

/* Responsive */
@media (max-width: 768px) {
    .calendar-header {
        flex-wrap: wrap;
        padding: 15px;
    }
    
    .calendar-header h1 {
        font-size: 20px;
        order: 3;
        width: 100%;
        margin-top: 10px;
    }
    
    .btn-today {
        order: 2;
        margin: 0 5px;
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .btn-new-event {
        order: 4;
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
    }
    
    .btn-logout {
        order: 5;
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .day-cell {
        min-height: 80px;
    }
    
    .day-cell .events-container {
        max-height: calc(100vh - 250px);
    }
    
    .toast {
        min-width: 250px;
        max-width: calc(100vw - 40px);
    }
}