/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
    --primary-color: #d4ff00;
    --primary-dark: #130623;
    --primary-light: #e6ff33;
    --font-mono: 'Azeret Mono', monospace;
    --border-radius: 8px;
    --border-radius-large: 12px;
    --transition: all 0.3s ease;
    --shadow-primary: 0 4px 15px rgba(212, 255, 0, 0.3);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(212, 255, 0, 0.3);
}

/* ========================================
   NAVIGATION STYLES
   ======================================== */
.custom-nav {
    color: white !important;
    font-family: var(--font-mono);
    border-radius: var(--border-radius);
    padding: 8px 12px;
    transition: var(--transition);
}

.custom-nav:hover {
    color: var(--primary-color) !important;
    background-color: rgba(212, 255, 0, 0.1);
}

.custom-nav.active {
    background-color: var(--primary-color) !important;
    color: #DDD !important;
}

.inner-menu-icon {
    font-size: 1.2rem;
}

/* ========================================
   BUTTON STYLES
   ======================================== */
.custom-btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--primary-dark);
    font-family: var(--font-mono);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.2rem;
    transition: var(--transition);
}

.custom-btn-outline {
    border-color: rgba(212, 255, 0, 0.6);
    color: var(--primary-color);
    background: rgba(212, 255, 0, 0.07);
    font-family: var(--font-mono);
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.custom-btn-outline:hover {
    background: var(--primary-color);
    color: var(--primary-dark);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-primary);
    transform: translateY(-1px);
}

/* ========================================
   HEADER SECTIONS
   ======================================== */
.header-title {
    font-family: var(--font-mono);
    font-weight: 100;
    color: var(--primary-color);
}

.header-section-left,
.header-section-right {
    flex: 0 0 350px;
    display: flex;
}

.header-section-left {
    justify-content: flex-start;
}

.header-section-right {
    justify-content: flex-end;
}

.header-section-center {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
}

/* ========================================
   BREADCRUMB STYLES
   ======================================== */
.custom-breadcrumb {
    border-radius: 6px;
    font-family: var(--font-mono);
}

.modern-breadcrumb {
    background: linear-gradient(135deg, rgba(212, 255, 0, 0.1) 0%, rgba(212, 255, 0, 0.05) 100%);
    border: 1px solid rgba(212, 255, 0, 0.2);
    border-radius: var(--border-radius-large);
    padding: 12px 10px;
    font-family: var(--font-mono);
}

.breadcrumb-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: #b8e600;
}

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.4);
}

.current-folder {
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px;
    border-radius: 6px;
}

.current-view {
    color: white;
    font-family: var(--font-mono);
    font-weight: 600;
    display: flex;
    align-items: center;
    padding: 12px 16px;
}

/* ========================================
   SEARCH & SORT CONTROLS
   ======================================== */
.modern-search-group {
    width: 100%;
}

.search-input-wrapper {
    position: relative;
    width: 130%;
}

.modern-search-input {
    width: 100%;
    background: var(--bg-glass);
    border: 2px solid var(--border-glass);
    border-radius: var(--border-radius-large);
    padding: 12px 16px 12px 40px;
    color: white;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: var(--transition);
}

.modern-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-glass-hover);
    box-shadow: 0 0 0 3px rgba(212, 255, 0, 0.1);
}

.modern-search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(212, 255, 0, 0.7);
    font-size: 1rem;
}

.search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}

.search-clear:hover {
    color: var(--primary-color);
    background: rgba(212, 255, 0, 0.1);
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.modern-sort-btn {
    background: var(--bg-glass);
    border: 2px solid var(--border-glass);
    color: white;
    border-radius: 10px;
    padding: 13px 12px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.modern-sort-btn:hover {
    border-color: var(--primary-color);
    background: rgba(212, 255, 0, 0.1);
    color: var(--primary-color);
}

.modern-sort-direction {
    background: var(--bg-glass);
    border: 2px solid var(--border-glass);
    color: white;
    border-radius: 10px;
    padding: 10px;
    text-decoration: none;
    transition: var(--transition);
}

.modern-sort-direction:hover {
    border-color: var(--primary-color);
    background: rgba(212, 255, 0, 0.1);
    color: var(--primary-color);
}

/* ========================================
   DROPDOWN STYLES
   ======================================== */
.modern-dropdown {
    background: #292929;
    border: 1px solid rgba(212, 255, 0, 0.2);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
}

.modern-dropdown .dropdown-item {
    color: white;
    transition: var(--transition);
}

.modern-dropdown .dropdown-item:hover {
    background: rgba(212, 255, 0, 0.1);
    color: var(--primary-color);
}

.modern-dropdown .dropdown-item.active {
    background: var(--primary-color);
    color: var(--primary-dark);
}

.dropdown-menu {
    background: #292929 !important;
    border: 1px solid rgba(212, 255, 0, 0.2) !important;
    border-radius: var(--border-radius) !important;
    font-family: var(--font-mono) !important;
    z-index: 9999 !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5) !important;
    position: absolute !important;
}

.dropdown-item {
    color: white;
    font-family: var(--font-mono);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: rgba(212, 255, 0, 0.1);
    color: var(--primary-color);
}

.dropdown-item.text-danger:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #ff6b6b;
}

.dropdown-item.text-success:hover {
    background: rgba(40, 167, 69, 0.1);
    color: #51cf66;
}

/* ========================================
   CARD STYLES
   ======================================== */
.folder-card, .file-card {
    background: linear-gradient(145deg,
    rgba(41, 41, 41, 1),
    rgba(19, 6, 35, 0.90),
    rgba(30, 30, 30, 0.95)
    );
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 2px solid transparent;
    border-radius: 20px;
    position: relative;
    overflow: visible;
    z-index: 1;
    box-shadow:
            0 8px 32px rgba(0, 0, 0, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.08),
            inset 0 -1px 0 rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    animation: cardLoad 0.5s ease-out;
}

.folder-card:hover, .file-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: linear-gradient(145deg,
    rgba(50, 50, 50, 0.98),
    rgba(25, 8, 40, 0.95),
    rgba(35, 35, 35, 0.95)
    );
}

.folder-card:hover::before, .file-card:hover::before {
    opacity: 1;
}

.card-body {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 18px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(5px);
}

.card-title {
    font-size: 0.9rem;
    color: white;
    line-height: 1.2;
    font-family: var(--font-mono);
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.folder-card:hover .card-title,
.file-card:hover .card-title {
    color: #f0f0f0;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
}

.card-footer {
    background: rgba(0, 0, 0, 0.2) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* ========================================
   FILE TYPE COLORS
   ======================================== */
.folder-color {
    color: var(--primary-color);
    filter: drop-shadow(0 2px 8px rgba(212, 255, 0, 0.4));
    transition: all 0.4s ease;
}

.folder-card:hover .folder-color {
    color: var(--primary-light);
    filter: drop-shadow(0 4px 16px rgba(212, 255, 0, 0.8));
    transform: scale(1.08) rotateY(5deg);
}

/* Image Colors */
.image-color { color: #00d4ff; filter: drop-shadow(0 2px 8px rgba(0, 212, 255, 0.4)); }
.image-jpeg-color { color: #0099ff; filter: drop-shadow(0 2px 8px rgba(0, 153, 255, 0.4)); }
.image-png-color { color: #00ccff; filter: drop-shadow(0 2px 8px rgba(0, 204, 255, 0.4)); }
.image-gif-color { color: #66e0ff; filter: drop-shadow(0 2px 8px rgba(102, 224, 255, 0.4)); }
.image-webp-color { color: #33d6ff; filter: drop-shadow(0 2px 8px rgba(51, 214, 255, 0.4)); }

/* Video/Audio Colors */
.video-color { color: #ff4757; filter: drop-shadow(0 2px 8px rgba(255, 71, 87, 0.4)); }
.audio-color { color: #a55eea; filter: drop-shadow(0 2px 8px rgba(165, 94, 234, 0.4)); }

/* Document Colors */
.pdf-color { color: #ff6b6b; filter: drop-shadow(0 2px 8px rgba(255, 107, 107, 0.4)); }
.word-color { color: #4285f4; filter: drop-shadow(0 2px 8px rgba(66, 133, 244, 0.4)); }
.excel-color { color: #0f9d58; filter: drop-shadow(0 2px 8px rgba(15, 157, 88, 0.4)); }
.ppt-color { color: #ea4335; filter: drop-shadow(0 2px 8px rgba(234, 67, 53, 0.4)); }

/* Text/Code Colors */
.text-color { color: #26de81; filter: drop-shadow(0 2px 8px rgba(38, 222, 129, 0.4)); }
.json-color { color: #fed330; filter: drop-shadow(0 2px 8px rgba(254, 211, 48, 0.4)); }

/* Archive/Default Colors */
.archive-color { color: #ff9500; filter: drop-shadow(0 2px 8px rgba(255, 149, 0, 0.4)); }
.default-file-color { color: #95a5a6; filter: drop-shadow(0 2px 8px rgba(149, 165, 166, 0.4)); }

/* File Icon Hover Effects */
.file-card .card-body i {
    filter: drop-shadow(0 2px 6px rgba(255, 255, 255, 0.2));
    transition: all 0.4s ease;
}

.file-card:hover .card-body i {
    filter: drop-shadow(0 4px 12px rgba(255, 255, 255, 0.4));
    transform: scale(1.05) rotateX(5deg);
}

/* Specific hover effects for each file type */
.file-card:hover .image-color,
.file-card:hover .image-jpeg-color,
.file-card:hover .image-png-color,
.file-card:hover .image-gif-color,
.file-card:hover .image-webp-color {
    filter: drop-shadow(0 4px 16px rgba(0, 212, 255, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .video-color {
    filter: drop-shadow(0 4px 16px rgba(255, 71, 87, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .audio-color {
    filter: drop-shadow(0 4px 16px rgba(165, 94, 234, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .pdf-color {
    filter: drop-shadow(0 4px 16px rgba(255, 107, 107, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .word-color {
    filter: drop-shadow(0 4px 16px rgba(66, 133, 244, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .excel-color {
    filter: drop-shadow(0 4px 16px rgba(15, 157, 88, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .ppt-color {
    filter: drop-shadow(0 4px 16px rgba(234, 67, 53, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .text-color {
    filter: drop-shadow(0 4px 16px rgba(38, 222, 129, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .json-color {
    filter: drop-shadow(0 4px 16px rgba(254, 211, 48, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .archive-color {
    filter: drop-shadow(0 4px 16px rgba(255, 149, 0, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

.file-card:hover .default-file-color {
    filter: drop-shadow(0 4px 16px rgba(149, 165, 166, 0.8));
    transform: scale(1.05) rotateX(5deg);
}

/* File Type Badges */
.file-card::after {
    content: attr(data-file-type);
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.file-card:hover::after {
    opacity: 1;
}

/* ========================================
   EMPTY STATE STYLES
   ======================================== */
.empty-state {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem 2rem;
    animation: fadeInUp 0.6s ease-out;
}

.empty-icon-container {
    position: relative;
    display: inline-block;
}

.empty-icon {
    width: 200px;
    height: 200px;
    opacity: 1;
    transition: var(--transition);
}

.empty-icon:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

.empty-title {
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.empty-description {
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-mono);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.search-term {
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(212, 255, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

.empty-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.quick-tips {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.tips-title {
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.tip-card {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-large);
    padding: 1.5rem 1rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.tip-card:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(212, 255, 0, 0.3);
    transform: translateY(-2px);
}

.tip-icon {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.tip-card p {
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   UTILITY STYLES
   ======================================== */
.text-muted {
    color: rgba(255, 255, 255, 0.7) !important;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

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

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

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Large Screens (1200px and below) */
@media (max-width: 1200px) {
    .nav-text {
        display: none;
    }

    .custom-nav {
        padding: 8px;
    }

    .inner-menu-icon {
        font-size: 1.9rem;
    }

    /* Yellow active state for smaller screens */
    .header-section-center .nav-pills .nav-link.custom-nav.active,
    .header-section-center .custom-nav.active {
        background-color: var(--primary-color) !important;
        color: var(--primary-dark) !important;
    }

    .header-section-center .nav-pills .nav-link.custom-nav:hover,
    .header-section-center .custom-nav:hover {
        color: var(--primary-color) !important;
        background-color: rgba(212, 255, 0, 0.1) !important;
    }

    .header-section-center .nav-pills .nav-link.custom-nav.active:hover,
    .header-section-center .custom-nav.active:hover {
        background-color: var(--primary-light) !important;
        color: var(--primary-dark) !important;
    }
}

/* Medium Screens - Grid Layout */
@media (max-width: 991px) {
    .inner-menu-icon {
        font-size: 1.9rem;
    }

    /* Grid layout for breadcrumb/search/sort section */
    .d-flex.align-items-center.justify-content-between.w-100 {
        display: grid !important;
        grid-template-areas: 
            "search sort"
            "breadcrumb breadcrumb";
        grid-template-columns: 1fr auto;
        gap: 1rem;
        align-items: center;
    }

    .flex-grow-1.me-3 {
        grid-area: breadcrumb !important;
        margin-right: 0 !important;
    }

    .flex-grow-1:not(.me-3) {
        grid-area: search !important;
    }

    .flex-shrink-0 {
        grid-area: sort !important;
    }

    .flex-grow-1,
    .flex-shrink-0,
    .flex-grow-1.me-3 {
        flex: none !important;
        flex-basis: auto !important;
    }

    .search-input-wrapper {
        width: 100% !important;
    }

    .modern-breadcrumb {
        padding: 8px 12px !important;
        font-size: 0.85rem !important;
    }

    .modern-sort-btn {
        padding: 12px 8px !important;
        font-size: 0.8rem !important;
    }

    .modern-sort-btn span {
        display: none !important;
    }

    .modern-sort-direction {
        padding: 10px 8px !important;
    }

    .sort-controls {
        gap: 4px !important;
    }
}

/* Medium Range Fix (991px to 746px) */
@media (max-width: 991px) and (min-width: 746px) {
    .header-section-left,
    .header-section-right {
        flex: 0 0 200px !important;
    }

    .header-section-center {
        flex: 1 1 auto !important;
    }

    .row .col-12 > .d-flex.align-items-center.w-100.mb-4 {
        display: flex !important;
        flex-direction: row !important;
    }
}

/* Tablet Screens */
@media (max-width: 768px) {
    .header-section-left,
    .header-section-right {
        flex: 0 0 200px;
    }

    .folder-card:hover, .file-card:hover {
        transform: translateY(-4px) scale(1.01);
    }

    .empty-state {
        padding: 2rem 1rem;
    }

    .empty-icon {
        width: 80px;
        height: 80px;
    }

    .empty-title {
        font-size: 1.25rem;
    }

    .empty-actions {
        flex-direction: column;
    }

    .empty-actions .btn {
        width: 100%;
        max-width: 250px;
    }
}

/* Mobile Screens */
@media (max-width: 599px) {
    .header-section-left {
        display: none !important;
    }

    .d-flex.align-items-center.w-100.mb-4 {
        justify-content: space-between !important;
    }

    .header-section-center {
        flex: 1 1 auto !important;
        justify-content: flex-start !important;
    }

    .header-section-right {
        flex: 0 0 auto !important;
        justify-content: flex-end !important;
    }

    .header-section-right .btn {
        padding: 8px !important;
        font-size: 0.75rem !important;
        min-width: 60px !important;
        min-height: 60px !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        line-height: 1.1 !important;
        white-space: normal !important;
    }

    .header-section-right .btn i {
        margin-right: 0 !important;
        margin-bottom: 2px !important;
        font-size: 1rem !important;
        display: block !important;
    }

    .header-section-right .btn:nth-child(1):not(:only-child)::after {
        content: attr(data-text-line2);
        display: block;
    }

    .header-section-right .d-flex {
        gap: 0.5rem;
    }

    .header-section-right .me-2 {
        margin-right: 0.5rem !important;
    }
}

/* Extra Small Screens */
@media (max-width: 400px) {
    .header-section-right .btn {
        min-width: 55px !important;
        min-height: 55px !important;
        font-size: 0.7rem !important;
    }
}