/* ========================================
   Sidebar Modal System - Beautiful UI Design
   ======================================== */

/* Custom Variables for Theming */
:root {
    --modal-bg: #ffffff;
    --modal-text: #2d3748;
    --modal-border: #e2e8f0;
    --modal-shadow: rgba(0, 0, 0, 0.1);
    --link-hover: #f7fafc;
    --accent: #319795;
    --accent-dark: #2c7a7b;
    --pointer-size: 12px;
}

body.dark-mode {
    --modal-bg: #2d3748;
    --modal-text: #e2e8f0;
    --modal-border: #4a5568;
    --modal-shadow: rgba(0, 0, 0, 0.3);
    --link-hover: #1a202c;
}

/* ========================================
   DESKTOP MODAL STYLES (851px+)
   ======================================== */

/* Sidebar Modal Container - Desktop */
.sidebar-group-modal {
    display: none;
    position: fixed;
    left: 250px;
    top: 100px;
    width: 320px;
    background: var(--modal-bg);
    border-radius: 12px;
    box-shadow: 0 10px 40px var(--modal-shadow);
    border: 1px solid var(--modal-border);
    z-index: 1100;
    animation: bounceInDown 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transition: all 0.3s ease;
    max-height: 80vh;
    overflow-y: auto;
    transform: none;
    margin: 0;
}

.sidebar-group-modal.active {
    display: block;
}

/* Modal Content Wrapper */
.sidebar-modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Modal Pointer/Arrow */
.sidebar-modal-pointer {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: var(--pointer-size) var(--pointer-size) 0 0;
    border-color: var(--modal-bg) transparent transparent transparent;
    left: -var(--pointer-size);
    top: 15px;
    transition: all 0.3s ease;
}

body.dark-mode .sidebar-modal-pointer {
    border-color: var(--modal-bg) transparent transparent transparent;
}

/* Modal Header */
.sidebar-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    border-bottom: 1px solid var(--modal-border);
    background: linear-gradient(135deg, rgba(49, 151, 149, 0.05) 0%, rgba(49, 151, 149, 0.02) 100%);
}

.sidebar-modal-title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--modal-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-modal-title i {
    font-size: 18px;
    color: var(--accent);
}

/* Close Button */
.sidebar-modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--modal-text);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    opacity: 0.6;
}

.sidebar-modal-close:hover {
    background-color: rgba(49, 151, 149, 0.1);
    color: var(--accent);
    opacity: 1;
}

/* Modal List */
.sidebar-modal-list {
    list-style: none;
    margin: 0;
    padding: 8px 0;
}

.sidebar-modal-list li {
    margin: 0;
    padding: 0;
}

/* Modal Links */
.sidebar-modal-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--modal-text);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    position: relative;
    font-size: 14px;
    font-weight: 500;
}

.sidebar-modal-link:hover {
    background-color: var(--link-hover);
    border-left-color: var(--accent);
    padding-left: 24px;
    color: var(--accent);
}

.sidebar-modal-link i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    color: var(--accent);
    transition: all 0.2s ease;
}

.sidebar-modal-link:hover i {
    transform: scale(1.1);
}

.sidebar-modal-link span {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Feature Badge in Modal */
.sidebar-modal-link .feature-badge {
    margin-left: 8px;
    font-size: 0.55rem;
    padding: 2px 6px;
}

/* Modal Overlay */
.sidebar-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1099;
    animation: fadeIn 0.3s ease;
}

.sidebar-modal-overlay.active {
    display: block;
}

/* ========================================
   Sidebar Item Hover State
   ======================================== */

.sidebar-item-hover {
    background-color: var(--link-hover);
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

body.dark-mode .sidebar-item-hover {
    background-color: var(--link-hover);
}

/* ========================================
   Animations
   ======================================== */

@keyframes bounceInDown {
    0% {
        opacity: 0;
        transform: translateY(-30px);
    }
    50% {
        opacity: 1;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideOutUp {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-30px);
    }
}

.sidebar-group-modal.closing {
    animation: slideOutUp 0.3s ease forwards;
}

/* ========================================
   Tablet & Mobile Responsive Design
   ======================================== */

/* Tablet: Medium screens (768px - 1024px) */
@media (max-width: 1024px) {
    .sidebar-group-modal {
        left: 200px;
        width: 300px;
        top: 90px;
    }
}

/* ========================================
   MOBILE MODAL STYLES (max 850px)
   Completely separate implementation for mobile
   ======================================== */

@media (max-width: 850px) {
    .sidebar-group-modal {
        /* MOBILE: Completely centered and constrained */
        position: fixed;
        left: 50%;
        top: 50%;
        width: calc(100vw - 32px);
        max-width: 360px;
        max-height: calc(100vh - 60px);
        margin: 0;
        padding: 0;
        transform: translate(-50%, -50%);
        overflow-y: auto;
        overflow-x: hidden;
        border-radius: 14px;
        animation: bounceInDown 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    /* Mobile: Hide pointer on mobile */
    .sidebar-modal-pointer {
        display: none;
    }

    .sidebar-modal-title {
        font-size: 15px;
    }

    .sidebar-modal-link {
        padding: 12px 16px;
        font-size: 14px;
        gap: 10px;
    }

    .sidebar-modal-link:hover {
        padding-left: 20px;
    }

    .sidebar-modal-header {
        padding: 16px 16px;
    }
}

/* Mobile: Small screens (max 767px) */
@media (max-width: 767px) {
    .sidebar-group-modal {
        /* Ensure even smaller devices work perfectly */
        width: calc(100vw - 24px);
        max-width: 340px;
        max-height: calc(100vh - 40px);
        padding: 0;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }

    .sidebar-modal-title {
        font-size: 14px;
    }

    .sidebar-modal-link {
        padding: 11px 14px;
        font-size: 13px;
        gap: 10px;
    }

    .sidebar-modal-link:hover {
        padding-left: 18px;
    }

    .sidebar-modal-header {
        padding: 14px 14px;
    }
}

/* Mobile: Extra small screens (max 575px) */
@media (max-width: 575px) {
    .sidebar-group-modal {
        /* Ultra-compact for tiny screens */
        width: calc(100vw - 20px);
        max-width: 320px;
        max-height: calc(100vh - 30px);
        padding: 0;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        border-radius: 12px;
    }

    .sidebar-modal-title {
        font-size: 13px;
    }

    .sidebar-modal-title i {
        font-size: 16px;
    }

    .sidebar-modal-close {
        font-size: 18px;
        padding: 4px 6px;
    }

    .sidebar-modal-link {
        padding: 10px 12px;
        font-size: 12px;
        gap: 8px;
    }

    .sidebar-modal-link i {
        font-size: 14px;
        width: 18px;
    }

    .sidebar-modal-header {
        padding: 12px 12px;
    }

    .sidebar-modal-list li:last-child .sidebar-modal-link {
        margin-bottom: 4px;
    }
}

/* Mobile Landscape (max-height: 600px) */
@media (max-height: 600px) {
    .sidebar-group-modal {
        max-height: 70vh;
        max-height: calc(100vh - 50px);
    }
}

/* Desktop: Large screens (1200px+) */
@media (min-width: 1200px) {
    .sidebar-group-modal {
        width: 340px;
    }

    .sidebar-modal-link {
        padding: 13px 22px;
        font-size: 15px;
        gap: 13px;
    }
}

/* ========================================
   Accessibility & Focus States
   ======================================== */

.sidebar-modal-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    background-color: rgba(49, 151, 149, 0.1);
}

.sidebar-modal-close:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Scrollbar Styling */
.sidebar-group-modal::-webkit-scrollbar {
    width: 6px;
}

.sidebar-group-modal::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-group-modal::-webkit-scrollbar-thumb {
    background: rgba(49, 151, 149, 0.3);
    border-radius: 3px;
}

.sidebar-group-modal::-webkit-scrollbar-thumb:hover {
    background: rgba(49, 151, 149, 0.5);
}

/* Dark Mode Scrollbar */
body.dark-mode .sidebar-group-modal::-webkit-scrollbar-thumb {
    background: rgba(49, 151, 149, 0.4);
}

body.dark-mode .sidebar-group-modal::-webkit-scrollbar-thumb:hover {
    background: rgba(49, 151, 149, 0.6);
}

/* Print Styles */
@media print {
    .sidebar-group-modal,
    .sidebar-modal-overlay {
        display: none !important;
    }
}