/* Root Variables & Theme Palettes */
:root {
    --transition-speed: 0.3s;
    --font-heading: 'Outfit', 'Sarabun', sans-serif;
    --font-body: 'Outfit', 'Sarabun', sans-serif;

    /* Theme-independent colors */
    --color-indigo: #6366f1;
    --color-indigo-glow: rgba(99, 102, 241, 0.15);
    --color-blue: #3b82f6;
    --color-blue-glow: rgba(59, 130, 246, 0.15);
    --color-yellow: #f59e0b;
    --color-yellow-glow: rgba(245, 158, 11, 0.15);
    --color-green: #10b981;
    --color-green-glow: rgba(16, 185, 129, 0.15);
    --color-red: #ef4444;
    --color-red-glow: rgba(239, 68, 68, 0.15);
    
    --color-priority-low: #10b981;
    --color-priority-medium: #f59e0b;
    --color-priority-high: #ef4444;
}

/* Dark Theme Variables (Default) */
[data-theme="dark"] {
    --bg-app: #090d16;
    --bg-glow-1: #1e1b4b;
    --bg-glow-2: #0f172a;
    --bg-glow-3: #180026;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --glass-bg: rgba(15, 23, 42, 0.55);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover-border: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    --glass-inner-bg: rgba(30, 41, 59, 0.4);
    --active-tab-bg: rgba(99, 102, 241, 0.15);
    --active-tab-border: rgba(99, 102, 241, 0.4);
    --input-bg: rgba(15, 23, 42, 0.8);
    --input-border: rgba(255, 255, 255, 0.1);
    --modal-bg: rgba(15, 23, 42, 0.85);
    --table-header-bg: rgba(30, 41, 59, 0.5);
    --table-row-hover: rgba(255, 255, 255, 0.02);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-app: #f1f5f9;
    --bg-glow-1: #e0e7ff;
    --bg-glow-2: #f8fafc;
    --bg-glow-3: #fae8ff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(15, 23, 42, 0.08);
    --glass-hover-border: rgba(15, 23, 42, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    --glass-inner-bg: rgba(241, 245, 249, 0.5);
    --active-tab-bg: rgba(99, 102, 241, 0.1);
    --active-tab-border: rgba(99, 102, 241, 0.3);
    --input-bg: rgba(255, 255, 255, 0.9);
    --input-border: rgba(0, 0, 0, 0.1);
    --modal-bg: rgba(255, 255, 255, 0.9);
    --table-header-bg: rgba(226, 232, 240, 0.5);
    --table-row-hover: rgba(0, 0, 0, 0.02);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-app);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Animated Ambient Glow Spheres */
.glass-bg-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.45;
    mix-blend-mode: screen;
    animation: floatAnimation 20s infinite alternate ease-in-out;
}

.sphere-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--bg-glow-1) 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation-duration: 25s;
}

.sphere-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--bg-glow-3) 0%, transparent 70%);
    bottom: -15%;
    right: -10%;
    animation-duration: 30s;
}

.sphere-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--bg-glow-2) 0%, transparent 70%);
    top: 40%;
    right: 25%;
    animation-duration: 20s;
}

@keyframes floatAnimation {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(80px, 50px) scale(1.1);
    }
}

/* Main Layout Grid */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 1.2rem;
    max-width: 1600px;
    margin: 0 auto;
}

/* Header Styles */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    margin-bottom: 1.2rem;
    border-radius: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    box-shadow: var(--glass-shadow);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-indigo), var(--color-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.logo-text h1 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.role-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--glass-inner-bg);
    padding: 0.4rem 0.8rem;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.role-selector-wrapper label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.role-select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    padding-right: 0.5rem;
}

.role-select option {
    background-color: var(--bg-app);
    color: var(--text-primary);
}

.theme-toggle-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: var(--glass-inner-bg);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-speed) ease;
}

.theme-toggle-btn:hover {
    border-color: var(--glass-hover-border);
    transform: scale(1.05);
}

/* Sidebar & Viewport Layout */
.main-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 1.2rem;
    flex: 1;
    min-height: 0; /* Important for scroll container inside grid */
}

/* Sidebar Styling */
.side-navigation {
    display: flex;
    flex-direction: column;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    box-shadow: var(--glass-shadow);
    padding: 1.2rem;
    gap: 1.5rem;
}

.user-profile-card {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: var(--glass-inner-bg);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-indigo-glow), var(--color-blue-glow));
    border: 2px solid var(--color-indigo);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-indigo);
    font-size: 1.2rem;
}

.user-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
}

.user-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 10px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    transition: all var(--transition-speed) ease;
    width: 100%;
}

.nav-btn i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.nav-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
    color: var(--color-indigo);
    background: var(--active-tab-bg);
    border-color: var(--active-tab-border);
    font-weight: 600;
}

/* Content Viewport */
.content-viewport {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
    overflow-y: auto;
    position: relative;
    min-height: 0;
}

/* Tab panes toggler */
.tab-pane {
    display: none;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeIn 0.4s ease-in-out forwards;
}

.tab-pane.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.pane-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Buttons Styling */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-speed) ease;
}

.primary-btn {
    background: linear-gradient(135deg, var(--color-indigo), var(--color-blue));
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.secondary-btn {
    background: var(--glass-inner-bg);
    color: var(--text-primary);
    border-color: var(--glass-border);
}

.secondary-btn:hover {
    border-color: var(--glass-hover-border);
    background: rgba(255, 255, 255, 0.05);
}

.danger-btn {
    background: var(--color-red-glow);
    color: var(--color-red);
    border-color: rgba(239, 68, 68, 0.2);
}

.danger-btn:hover {
    background: var(--color-red);
    color: #fff;
}

.sm-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
}

/* Stats Metric Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.metric-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    border-radius: 14px;
    background: var(--glass-inner-bg);
    border: 1px solid var(--glass-border);
    transition: transform var(--transition-speed) ease;
}

.metric-card:hover {
    transform: translateY(-3px);
}

.metric-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
}

.bg-indigo { background: var(--color-indigo); box-shadow: 0 4px 12px var(--color-indigo-glow); }
.bg-blue { background: var(--color-blue); box-shadow: 0 4px 12px var(--color-blue-glow); }
.bg-yellow { background: var(--color-yellow); box-shadow: 0 4px 12px var(--color-yellow-glow); }
.bg-green { background: var(--color-green); box-shadow: 0 4px 12px var(--color-green-glow); }
.bg-red { background: var(--color-red); box-shadow: 0 4px 12px var(--color-red-glow); }

.metric-data h3 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.metric-data p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.danger-card {
    border-color: rgba(239, 68, 68, 0.25);
    background: rgba(239, 68, 68, 0.03);
}

/* Charts / Workload Lists Styling */
.analytics-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.workload-card {
    padding: 1.2rem;
    border-radius: 14px;
}

.workload-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

.workload-list, .department-stats-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.workload-item, .dept-stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.item-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 500;
}

.item-label-row span.meta-val {
    color: var(--text-secondary);
}

.progress-bar-bg {
    height: 8px;
    background: var(--input-bg);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--glass-border);
}

.progress-bar-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--color-blue), var(--color-indigo));
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.workload-stats-badges {
    display: flex;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Global Task Table Styling */
.table-card {
    border-radius: 14px;
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--glass-border);
    flex-wrap: wrap;
    gap: 1rem;
}

.table-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.table-filters {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 0.8rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-box input {
    padding: 0.45rem 0.8rem 0.45rem 2.2rem;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.8rem;
    width: 200px;
    outline: none;
    transition: all var(--transition-speed) ease;
}

.search-box input:focus {
    border-color: var(--color-indigo);
    box-shadow: 0 0 0 2px var(--color-indigo-glow);
}

.table-filters select {
    padding: 0.45rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.8rem;
    outline: none;
    cursor: pointer;
}

.table-filters select option {
    background-color: var(--bg-app);
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.85rem;
}

.data-table th {
    background: var(--table-header-bg);
    padding: 0.8rem 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glass-border);
}

.data-table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--glass-border);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color var(--transition-speed) ease;
}

.data-table tbody tr:hover {
    background-color: var(--table-row-hover);
}

/* Badges Styles */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-todo { background: var(--color-indigo-glow); color: var(--color-indigo); }
.badge-inprogress { background: var(--color-blue-glow); color: var(--color-blue); }
.badge-review { background: var(--color-yellow-glow); color: var(--color-yellow); }
.badge-completed { background: var(--color-green-glow); color: var(--color-green); }

.priority-tag {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    color: #fff;
}
.priority-low { background-color: var(--color-priority-low); }
.priority-medium { background-color: var(--color-priority-medium); }
.priority-high { background-color: var(--color-priority-high); }

.dept-badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: var(--glass-inner-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

/* Mission Banner (Kanban) */
.mission-banner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.2rem;
    padding: 1.2rem 1.5rem;
    border-radius: 14px;
    margin-bottom: 0.5rem;
}

.mission-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-indigo-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-indigo);
    font-size: 1.4rem;
}

.mission-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.3rem;
}

.mission-meta h4 {
    font-size: 1.05rem;
    font-weight: 700;
}

.mission-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.mission-edit-btn {
    background: var(--glass-inner-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) ease;
}

.mission-edit-btn:hover {
    border-color: var(--glass-hover-border);
    color: var(--color-indigo);
}

/* Kanban Board Layout */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    flex: 1;
    min-height: 0;
}

.kanban-column {
    display: flex;
    flex-direction: column;
    background: var(--glass-inner-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 0.8rem;
    gap: 0.8rem;
    min-height: 400px;
    max-height: 100%;
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.5rem;
    border-bottom: 2px solid var(--glass-border);
    padding-bottom: 0.6rem;
}

.column-header h3 {
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.card-count {
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--input-bg);
    padding: 0.1rem 0.5rem;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

.column-cards-container {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    flex: 1;
    overflow-y: auto;
    padding: 0.2rem;
    transition: background-color var(--transition-speed) ease;
}

/* Drag over highlight */
.column-cards-container.dragover {
    background-color: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
}

/* Kanban Cards styling */
.kanban-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 0.9rem;
    cursor: grab;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.kanban-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-indigo);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

.kanban-card.dragging {
    opacity: 0.4;
    cursor: grabbing;
}

.card-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.3;
}

.card-dates {
    font-size: 0.7rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 0.4rem;
}

.card-dates span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.2rem;
}

.duration-badge {
    font-size: 0.7rem;
    background: var(--color-indigo-glow);
    color: var(--color-indigo);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-weight: 600;
}

.card-actions-row {
    display: flex;
    gap: 0.4rem;
}

.card-action-btn {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: none;
    background: var(--glass-inner-bg);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all var(--transition-speed) ease;
}

.card-action-btn:hover {
    color: var(--color-indigo);
    background: rgba(255, 255, 255, 0.05);
}

/* PDF Global Library View Layout */
.pdf-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1.2rem;
    align-items: start;
}

.pdf-upload-card {
    padding: 1.2rem;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pdf-upload-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
}

.pdf-upload-card p.subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.upload-dropzone {
    border: 2px dashed var(--glass-border);
    border-radius: 10px;
    padding: 2.2rem 1rem;
    text-align: center;
    cursor: pointer;
    background: var(--glass-inner-bg);
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
    border-color: var(--color-indigo);
    background-color: var(--color-indigo-glow);
}

.upload-dropzone i {
    font-size: 2.2rem;
    color: var(--color-red);
}

.upload-dropzone p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.upload-dropzone p span {
    color: var(--color-indigo);
    font-weight: 600;
    text-decoration: underline;
}

.pdf-explorer-card {
    padding: 1.2rem;
    border-radius: 14px;
    min-height: 480px;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.explorer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.8rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.explorer-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
}

.pdf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.pdf-card {
    background: var(--glass-inner-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    position: relative;
    transition: all var(--transition-speed) ease;
}

.pdf-card:hover {
    border-color: var(--glass-hover-border);
    transform: translateY(-2px);
}

.pdf-thumb {
    height: 90px;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-red);
    font-size: 2.2rem;
}

.pdf-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.pdf-name {
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.pdf-size-date {
    font-size: 0.65rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
}

.pdf-link-badge {
    font-size: 0.65rem;
    background: var(--color-blue-glow);
    color: var(--color-blue);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    text-decoration: none;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
}

.pdf-link-badge:hover {
    text-decoration: underline;
}

.pdf-actions {
    display: flex;
    gap: 0.3rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 0.4rem;
}

.pdf-btn {
    flex: 1;
    padding: 0.3rem;
    font-size: 0.7rem;
    text-align: center;
    text-decoration: none;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
    gap: 0.8rem;
}

.empty-state i {
    font-size: 3rem;
}

.empty-state p {
    font-size: 0.85rem;
}

/* Settings Grids & Forms */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.settings-card {
    padding: 1.2rem;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title-row h3 {
    font-size: 0.95rem;
    font-weight: 600;
}

.section-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: -0.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

.list-container {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    max-height: 380px;
    overflow-y: auto;
}

.settings-item {
    background: var(--glass-inner-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color var(--transition-speed) ease;
}

.settings-item:hover {
    border-color: var(--glass-hover-border);
}

.item-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.item-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.item-subtext {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.item-mission-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
    margin-top: 0.15rem;
}

.item-actions {
    display: flex;
    gap: 0.4rem;
}

/* Modal Backdrops & Containers */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeInModal 0.2s ease-out forwards;
}

.modal-backdrop.active {
    display: flex;
}

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

.modal-container {
    background: var(--modal-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideInModal 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.scrollable-modal {
    max-width: 650px;
    max-height: 90vh;
}

@keyframes slideInModal {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--glass-border);
}

.modal-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
}

.close-modal-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    transition: color var(--transition-speed) ease;
}

.close-modal-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    padding: 0.8rem 1.2rem;
    border-top: 1px solid var(--glass-border);
    background: var(--table-header-bg);
}

/* Forms styling */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.required {
    color: var(--color-red);
}

.form-control {
    padding: 0.55rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
    transition: all var(--transition-speed) ease;
}

.form-control:focus {
    border-color: var(--color-indigo);
    box-shadow: 0 0 0 2px var(--color-indigo-glow);
}

textarea.form-control {
    resize: vertical;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.8rem;
}

.border-top-spaced {
    border-top: 1px solid var(--glass-border);
    padding-top: 0.8rem;
}

.readonly-badge {
    padding: 0.55rem 0.8rem;
    border-radius: 8px;
    background: var(--color-indigo-glow);
    color: var(--color-indigo);
    border: 1px solid var(--active-tab-border);
    font-weight: 700;
    font-size: 0.85rem;
    text-align: center;
}

/* Attachments inside task modal */
.task-modal-attachments-section {
    border-top: 1px solid var(--glass-border);
    padding-top: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.task-modal-attachments-section h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.modal-upload-zone {
    border: 1.5px dashed var(--glass-border);
    border-radius: 8px;
    padding: 1.2rem;
    text-align: center;
    background: var(--input-bg);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.modal-upload-zone:hover {
    border-color: var(--color-indigo);
    background-color: var(--color-indigo-glow);
}

.modal-upload-zone i {
    font-size: 1.4rem;
    color: var(--color-indigo);
}

.modal-upload-zone p {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.modal-upload-zone p span {
    color: var(--color-indigo);
    font-weight: 600;
    text-decoration: underline;
}

.attachments-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.4rem;
}

.attachment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-inner-bg);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
}

.attachment-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 320px;
}

.attachment-name i {
    color: var(--color-red);
}

.attachment-actions {
    display: flex;
    gap: 0.3rem;
}

.attachment-btn-icon {
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.8rem;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) ease;
}

.attachment-btn-icon:hover {
    background: rgba(255, 255, 255, 0.05);
}

.attachment-btn-icon.view-btn:hover { color: var(--color-blue); }
.attachment-btn-icon.delete-btn:hover { color: var(--color-red); }

/* PDF Preview modal */
.pdf-viewer-modal-container {
    max-width: 850px;
    width: 95%;
    height: 90vh;
}

.pdf-viewer-controls {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.pdf-viewer-body {
    flex: 1;
    padding: 0;
    overflow: hidden;
}

/* Animations pulse */
.animate-pulse {
    animation: pulse 2s infinite alternate ease-in-out;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        opacity: 0.85;
    }
    100% {
        transform: scale(1.05);
        opacity: 1;
    }
}

/* Responsive adjust */
@media (max-width: 992px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
    .side-navigation {
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
    }
    .user-profile-card {
        display: none;
    }
    .nav-links {
        flex-direction: row;
        width: 100%;
        overflow-x: auto;
    }
    .nav-btn {
        width: auto;
    }
    .settings-grid, .pdf-layout, .analytics-row {
        grid-template-columns: 1fr;
    }
    .kanban-board {
        grid-template-columns: repeat(2, 1fr);
        overflow-y: auto;
    }
}

@media (max-width: 576px) {
    .kanban-board {
        grid-template-columns: 1fr;
    }
    .form-row-2, .form-row-3 {
        grid-template-columns: 1fr;
    }
}