/**
 * Modern Alert Modal Styles - Enhanced
 * Beautiful, accessible modal dialogs with icons, toast notifications, and type-based styling
 */

/* Button Styles (if not already defined) */
.epcourse-btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f3f4f6;
    color: #374151;
}

.epcourse-btn:hover {
    background: #e5e7eb;
    color: #1f2937;
}

.epcourse-btn-primary {
    background: #2E8BFF;
    color: #ffffff;
    border-color: #2E8BFF;
}

.epcourse-btn-primary:hover {
    background: #1e6fd9;
    border-color: #1e6fd9;
    color: #ffffff;
}

.epcourse-btn-secondary {
    background: #f3f4f6;
    color: #374151;
    border-color: #d1d5db;
}

.epcourse-btn-secondary:hover {
    background: #e5e7eb;
    color: #1f2937;
    border-color: #9ca3af;
}

:root {
    --epcourse-modal-overlay: rgba(0, 0, 0, 0.6);
    --epcourse-modal-bg: #ffffff;
    --epcourse-modal-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    --epcourse-modal-radius: 16px;
    --epcourse-modal-border: #e5e7eb;
    --epcourse-success: #10b981;
    --epcourse-error: #ef4444;
    --epcourse-warning: #f59e0b;
    --epcourse-info: #2E8BFF;
}

/* Modal Overlay */
.epcourse-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--epcourse-modal-overlay);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

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

/* Modal Container */
.epcourse-modal-container {
    background: var(--epcourse-modal-bg);
    border-radius: var(--epcourse-modal-radius);
    box-shadow: var(--epcourse-modal-shadow);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--epcourse-modal-border);
    position: relative;
}

.epcourse-modal-overlay.epcourse-modal-active .epcourse-modal-container {
    transform: scale(1) translateY(0);
}

/* Type-based styling */
.epcourse-modal-container.epcourse-modal-success {
    border-top: 4px solid var(--epcourse-success);
}

.epcourse-modal-container.epcourse-modal-error {
    border-top: 4px solid var(--epcourse-error);
}

.epcourse-modal-container.epcourse-modal-warning {
    border-top: 4px solid var(--epcourse-warning);
}

.epcourse-modal-container.epcourse-modal-info {
    border-top: 4px solid var(--epcourse-info);
}

/* Modal Header */
.epcourse-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--epcourse-modal-border);
    background: #f9fafb;
}

.epcourse-modal-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.epcourse-modal-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #ffffff;
}

.epcourse-modal-icon svg {
    width: 24px;
    height: 24px;
}

.epcourse-modal-success .epcourse-modal-icon {
    background: var(--epcourse-success);
}

.epcourse-modal-error .epcourse-modal-icon {
    background: var(--epcourse-error);
}

.epcourse-modal-warning .epcourse-modal-icon {
    background: var(--epcourse-warning);
}

.epcourse-modal-info .epcourse-modal-icon {
    background: var(--epcourse-info);
}

.epcourse-modal-confirm-mode .epcourse-modal-icon {
    background: var(--epcourse-info);
}

.epcourse-modal-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    color: #1a1a1a;
    line-height: 1.4;
    flex: 1;
}

.epcourse-modal-close {
    background: transparent;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: #6b7280;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s ease;
    margin-left: 16px;
    flex-shrink: 0;
}

.epcourse-modal-close:hover {
    background: #f3f4f6;
    color: #1a1a1a;
    transform: rotate(90deg);
}

.epcourse-modal-close:focus {
    outline: 2px solid #2E8BFF;
    outline-offset: 2px;
}

/* Modal Body */
.epcourse-modal-body {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
}

.epcourse-modal-message {
    font-size: 16px;
    line-height: 1.6;
    color: #374151;
    margin: 0;
    word-wrap: break-word;
}

/* Modal Footer */
.epcourse-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--epcourse-modal-border);
    background: #f9fafb;
}

.epcourse-modal-confirm-mode .epcourse-modal-footer {
    justify-content: space-between;
}

.epcourse-modal-footer .epcourse-btn {
    min-width: 100px;
    margin: 0;
}

/* Toast Notifications */
.epcourse-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    width: auto;
    pointer-events: none;
}

.epcourse-toast {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 16px 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-width: 300px;
    max-width: 400px;
    transform: translateX(400px);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    border-left: 4px solid var(--epcourse-info);
}

.epcourse-toast.epcourse-toast-show {
    transform: translateX(0);
    opacity: 1;
}

.epcourse-toast-success {
    border-left-color: var(--epcourse-success);
}

.epcourse-toast-error {
    border-left-color: var(--epcourse-error);
}

.epcourse-toast-warning {
    border-left-color: var(--epcourse-warning);
}

.epcourse-toast-info {
    border-left-color: var(--epcourse-info);
}

.epcourse-toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.epcourse-toast-icon svg {
    width: 24px;
    height: 24px;
}

.epcourse-toast-success .epcourse-toast-icon {
    color: var(--epcourse-success);
}

.epcourse-toast-error .epcourse-toast-icon {
    color: var(--epcourse-error);
}

.epcourse-toast-warning .epcourse-toast-icon {
    color: var(--epcourse-warning);
}

.epcourse-toast-info .epcourse-toast-icon {
    color: var(--epcourse-info);
}

.epcourse-toast-content {
    flex: 1;
    min-width: 0;
}

.epcourse-toast-message {
    font-size: 14px;
    line-height: 1.5;
    color: #374151;
    margin: 0;
    word-wrap: break-word;
}

.epcourse-toast-close {
    background: transparent;
    border: none;
    font-size: 20px;
    line-height: 1;
    color: #9ca3af;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-top: -2px;
}

.epcourse-toast-close:hover {
    background: #f3f4f6;
    color: #374151;
}

/* Prevent body scroll when modal is open */
body.epcourse-modal-open {
    overflow: hidden;
    padding-right: 0;
}

/* Responsive */
@media (max-width: 640px) {
    .epcourse-modal-container {
        width: 95%;
        max-width: none;
        margin: 20px;
    }

    .epcourse-modal-header {
        padding: 16px 20px;
    }

    .epcourse-modal-header-content {
        gap: 10px;
    }

    .epcourse-modal-icon {
        width: 36px;
        height: 36px;
    }

    .epcourse-modal-icon svg {
        width: 20px;
        height: 20px;
    }

    .epcourse-modal-title {
        font-size: 18px;
    }

    .epcourse-modal-body {
        padding: 20px;
    }

    .epcourse-modal-message {
        font-size: 15px;
    }

    .epcourse-modal-footer {
        padding: 16px 20px;
        flex-direction: column-reverse;
    }

    .epcourse-modal-footer .epcourse-btn {
        width: 100%;
    }

    .epcourse-modal-confirm-mode .epcourse-modal-footer {
        flex-direction: column-reverse;
    }

    .epcourse-toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .epcourse-toast {
        min-width: auto;
        max-width: none;
        transform: translateY(-100px);
    }

    .epcourse-toast.epcourse-toast-show {
        transform: translateY(0);
    }
}

/* Animation */
@keyframes epcourseModalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.epcourse-modal-overlay.epcourse-modal-active .epcourse-modal-container {
    animation: epcourseModalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes epcourseModalSlideOut {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    to {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
}

/* Accessibility */
.epcourse-modal-overlay[aria-hidden="true"] {
    display: none;
}

.epcourse-modal-container[role="dialog"] {
    outline: none;
}

.epcourse-modal-container[role="dialog"]:focus {
    outline: 2px solid #2E8BFF;
    outline-offset: 4px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .epcourse-modal-overlay,
    .epcourse-modal-container,
    .epcourse-toast {
        transition: none;
        animation: none;
    }
}