/* ----------------------------------------------------
   DESIGN SYSTEM & VARIABLES
   ---------------------------------------------------- */

:root[data-theme="light"] {
    --bg-app: #f4f6fa;
    --bg-sidebar: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --bg-input: #f0f2f7;
    --bg-modal: #ffffff;
    --bg-backdrop: rgba(15, 23, 42, 0.3);
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 8px 24px rgba(149, 157, 165, 0.15);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.04);
    
    --glass-blur: blur(12px);
    --glass-glow: rgba(255, 255, 255, 0.6);
}

:root[data-theme="dark"] {
    --bg-app: #0b0f19;
    --bg-sidebar: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(17, 24, 39, 0.85);
    --bg-input: #1f2937;
    --bg-modal: #111827;
    --bg-backdrop: rgba(0, 0, 0, 0.6);
    
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.2);
    
    --glass-blur: blur(16px);
    --glass-glow: rgba(255, 255, 255, 0.03);
}

:root {
    /* Brand Colors (Gradients & Accents) */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #6366f1, #4f46e5);
    
    /* Category Gradients */
    --grad-pink-red: linear-gradient(135deg, #ff416c, #ff4b2b);
    --grad-green-teal: linear-gradient(135deg, #1d976c, #93f9b9);
    --grad-blue: linear-gradient(135deg, #00b4db, #0083b0);
    --grad-orange-yellow: linear-gradient(135deg, #f7971e, #ffd200);
    --grad-purple-pink: linear-gradient(135deg, #8a2387, #e94057);
    --grad-dark-blue: linear-gradient(135deg, #1e3c72, #2a5298);

    /* Priority Colors */
    --priority-high: #ef4444;
    --priority-high-bg: rgba(239, 68, 68, 0.15);
    --priority-medium: #f59e0b;
    --priority-medium-bg: rgba(245, 158, 11, 0.15);
    --priority-low: #3b82f6;
    --priority-low-bg: rgba(59, 130, 246, 0.15);
    
    /* Status Colors */
    --status-pending: #9ca3af;
    --status-pending-bg: rgba(156, 163, 175, 0.15);
    --status-in-progress: #3b82f6;
    --status-in-progress-bg: rgba(59, 130, 246, 0.15);
    --status-completed: #10b981;
    --status-completed-bg: rgba(16, 185, 129, 0.15);

    /* UI Measurements */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-circle: 50%;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --sidebar-width: 280px;
}

/* ----------------------------------------------------
   GENERAL STYLES & RESET
   ---------------------------------------------------- */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    outline: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

/* 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);
}

/* ----------------------------------------------------
   APP LAYOUT
   ---------------------------------------------------- */

.app-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Toggle content view containers */
.content-view {
    width: 100%;
    animation: fadeInView 0.4s ease;
}

@keyframes fadeInView {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ----------------------------------------------------
   MEMBERSHIP (AUTH) SCREEN OVERLAY
   ---------------------------------------------------- */

.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #0b0f19 0%, #1e1e38 50%, #0b0f19 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.auth-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Auth card glassmorphism */
.auth-card {
    background: rgba(17, 24, 39, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 440px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    animation: scaleIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.auth-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.auth-header .logo h2 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #ffffff, #93a5cf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#auth-subtitle {
    font-size: 0.88rem;
    color: #9ca3af;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-submit-btn {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    margin-top: 10px;
    border-radius: var(--radius-md);
}

.auth-switch-text {
    font-size: 0.85rem;
    color: #9ca3af;
    text-align: center;
    margin-top: 14px;
}

.auth-switch-text a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 700;
    transition: color var(--transition-fast);
}

.auth-switch-text a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Divider & Google Auth styles */
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: #6b7280;
    font-size: 0.85rem;
    margin: 10px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.auth-divider:not(:empty)::before {
    margin-right: .5em;
}

.auth-divider:not(:empty)::after {
    margin-left: .5em;
}

.google-auth-container {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-top: 5px;
}

/* ----------------------------------------------------
   SIDEBAR STYLING
   ---------------------------------------------------- */

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: transform var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.logo h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0 16px 24px 16px;
}

.nav-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin: 24px 8px 12px 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.add-btn-icon {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.add-btn-icon:hover {
    background-color: var(--bg-input);
    transform: scale(1.1);
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: all var(--transition-fast);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    transition: transform var(--transition-fast);
}

.nav-item:hover {
    background-color: var(--bg-input);
    color: var(--text-primary);
}

.nav-item:hover i {
    transform: translateX(2px);
}

.nav-item.active {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.task-count {
    margin-left: auto;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    background-color: var(--bg-input);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.nav-item.active .task-count {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

/* Dynamic Category Items List */
.category-item-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    overflow: hidden;
}

.category-item-content span {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.category-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-circle);
}

.category-actions {
    display: none;
    gap: 6px;
    margin-left: auto;
}

.nav-item:hover .category-actions {
    display: flex;
}

.category-action-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.category-action-btn:hover {
    color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.05);
}

.nav-item.active .category-action-btn {
    color: rgba(255, 255, 255, 0.7);
}

.nav-item.active .category-action-btn:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    width: 100%;
}

.avatar {
    width: 40px;
    height: 40px;
    background: var(--bg-input);
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.avatar:hover {
    transform: scale(1.08);
    background-color: var(--border-color);
}

.form-help-text {
    font-size: 0.8rem;
    color: #9ca3af;
    margin-top: 6px;
}

.user-info {
    display: flex;
    flex-direction: column;
    max-width: 130px;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

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

.logout-btn {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.05rem;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    color: var(--priority-high);
    background-color: var(--priority-high-bg);
}

/* ----------------------------------------------------
   MAIN CONTENT AREA
   ---------------------------------------------------- */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 24px 40px;
    overflow-x: hidden;
}

/* Top Navigation Bar */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.left-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    max-width: 500px;
}

.menu-toggle-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.menu-toggle-btn:hover {
    background-color: var(--bg-input);
}

.search-box {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 46px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--primary);
    background-color: var(--bg-card-hover);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-clear-btn {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 2px;
    border-radius: var(--radius-circle);
}

.search-clear-btn:hover {
    color: var(--text-primary);
}

.right-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.icon-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-circle);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    position: relative;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background-color: var(--bg-input);
    transform: translateY(-2px);
    border-color: var(--border-hover);
}

.icon-btn:active {
    transform: translateY(0);
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background-color: var(--priority-high);
    color: #ffffff;
    font-size: 0.65rem;
    font-weight: 800;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-app);
}

/* Notification Dropdown */
.notification-wrapper {
    position: relative;
}

.notification-dropdown {
    position: absolute;
    right: 0;
    top: 54px;
    width: 360px;
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 150;
    display: none;
    flex-direction: column;
    max-height: 450px;
    overflow: hidden;
    animation: slideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.notification-dropdown.active {
    display: flex;
}

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

.dropdown-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dropdown-header h3 {
    font-size: 1rem;
    font-weight: 700;
}

.clear-notif-btn {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
}

.clear-notif-btn:hover {
    text-decoration: underline;
}

.notification-list {
    list-style: none;
    overflow-y: auto;
    flex: 1;
}

.notification-item {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.notification-item:hover {
    background-color: var(--bg-input);
}

.notification-item:last-child {
    border-bottom: none;
}

.notif-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notif-icon.alert {
    background-color: var(--priority-high-bg);
    color: var(--priority-high);
}

.notif-icon.warning {
    background-color: var(--priority-medium-bg);
    color: var(--priority-medium);
}

.notif-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.notif-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.notif-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.empty-notification {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.dashboard-title-area {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.category-display-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.category-display-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

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

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

.btn-danger {
    background-color: var(--priority-high);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    box-shadow: 0 6px 18px rgba(239, 68, 68, 0.3);
    transform: translateY(-2px);
}

/* ----------------------------------------------------
   FILTERS BAR STYLING
   ---------------------------------------------------- */

.filters-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    backdrop-filter: var(--glass-blur);
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
    transition: all var(--transition-normal);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
}

.filter-options {
    display: flex;
    gap: 4px;
}

.filter-tab {
    background: none;
    border: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    background-color: var(--bg-input);
    color: var(--text-primary);
}

.filter-tab.active {
    background-color: var(--primary);
    color: #ffffff;
}

.filter-group-right {
    display: flex;
    gap: 12px;
}

.select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.select-icon {
    position: absolute;
    left: 12px;
    color: var(--text-secondary);
    pointer-events: none;
    font-size: 0.85rem;
}

.select-wrapper select {
    appearance: none;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 32px 8px 32px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.select-wrapper select:hover {
    border-color: var(--border-hover);
    background-color: var(--border-color);
}

.select-wrapper::after {
    content: "\f0d7";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    right: 12px;
    color: var(--text-secondary);
    pointer-events: none;
    font-size: 0.8rem;
}

/* ----------------------------------------------------
   TASKS GRID / CARDS STYLING
   ---------------------------------------------------- */

.tasks-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    padding-bottom: 40px;
}

/* Task Card Style */
.task-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    backdrop-filter: var(--glass-blur);
    position: relative;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal), background-color var(--transition-normal);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.task-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--card-accent, var(--text-muted));
}

.task-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
    background-color: var(--bg-card-hover);
}

/* Task Card Elements */
.task-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.task-title-wrap {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    flex: 1;
}

/* Custom Checkbox */
.task-checkbox-container {
    display: block;
    position: relative;
    padding-left: 24px;
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
    margin-top: 2px;
}

.task-checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: transparent;
    border: 2px solid var(--text-secondary);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.task-checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary);
}

.task-checkbox-container input:checked ~ .checkmark {
    background-color: var(--status-completed);
    border-color: var(--status-completed);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.task-checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.task-checkbox-container .checkmark:after {
    left: 5px;
    top: 1px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.task-title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    transition: color var(--transition-fast);
    word-break: break-word;
}

.task-card.completed .task-title {
    color: var(--text-muted);
    text-decoration: line-through;
}

/* Task Actions (Edit/Delete) */
.task-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.task-card:hover .task-actions {
    opacity: 1;
}

.task-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.task-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-input);
}

.task-btn.delete-btn:hover {
    color: var(--priority-high);
    background-color: var(--priority-high-bg);
}

/* Task Description */
.task-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.task-card.completed .task-desc {
    color: var(--text-muted);
}

/* Task Dates Timeline */
.task-dates {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px 12px;
    background-color: var(--bg-input);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

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

.date-label {
    font-weight: 700;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.date-val {
    font-weight: 600;
}

/* Task Badges Area */
.task-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin-top: auto;
}

.badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-category {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.badge-priority.high {
    background-color: var(--priority-high-bg);
    color: var(--priority-high);
}

.badge-priority.medium {
    background-color: var(--priority-medium-bg);
    color: var(--priority-medium);
}

.badge-priority.low {
    background-color: var(--priority-low-bg);
    color: var(--priority-low);
}

.badge-status.pending {
    background-color: var(--status-pending-bg);
    color: var(--status-pending);
}

.badge-status.in-progress {
    background-color: var(--status-in-progress-bg);
    color: var(--status-in-progress);
}

.badge-status.completed {
    background-color: var(--status-completed-bg);
    color: var(--status-completed);
}

/* Countdown Tag */
.countdown-tag {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    margin-left: auto;
}

.countdown-tag.overdue {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--priority-high);
}

.countdown-tag.today {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--priority-medium);
}

.countdown-tag.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--priority-medium);
}

.countdown-tag.safe {
    background-color: var(--status-completed-bg);
    color: var(--status-completed);
}

/* Empty State Styling */
.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 40px;
    background-color: var(--bg-card);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3.5rem;
    color: var(--text-muted);
    margin-bottom: 18px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 0.9rem;
    max-width: 320px;
    margin-bottom: 18px;
}

/* ----------------------------------------------------
   DASHBOARD VIEW STYLING
   ---------------------------------------------------- */

.dashboard-header-simple {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dashboard-header-simple h2 {
    font-size: 1.8rem;
    font-weight: 800;
}

.dashboard-header-simple p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* KPI Summary Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: var(--glass-blur);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.kpi-icon.total {
    background-color: rgba(99, 102, 241, 0.15);
    color: var(--primary);
}
.kpi-icon.pending {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--priority-medium);
}
.kpi-icon.completed {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--status-completed);
}
.kpi-icon.efficiency {
    background-color: rgba(138, 35, 135, 0.15);
    color: #e94057;
}

.kpi-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.kpi-num {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
}

.kpi-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* Charts Card Grid Layout */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

@media (max-width: 992px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chart-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    border-left: 4px solid var(--primary);
    padding-left: 10px;
}

.chart-wrapper {
    position: relative;
    width: 100%;
    height: 280px;
}

/* ----------------------------------------------------
   MODALS & OVERLAYS STYLING
   ---------------------------------------------------- */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-backdrop);
    backdrop-filter: blur(8px);
    transition: all var(--transition-normal);
}

.modal-content {
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-content-large {
    max-width: 620px;
}

.modal-content-small {
    max-width: 380px;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.modal-form {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-height: 75vh;
    overflow-y: auto;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-group label i {
    color: var(--primary);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="date"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background-color: var(--bg-modal);
}

.required {
    color: var(--priority-high);
}

.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.highlight-box {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 16px;
}

.notify-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.notify-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 10px;
}

/* Category Color & Icon Selection grids */
.icon-selector,
.avatar-selector,
.color-selector {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 8px;
    padding: 8px 0;
}

.icon-option,
.avatar-option,
.color-option {
    height: 40px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all var(--transition-fast);
}

.icon-option i,
.avatar-option i {
    font-size: 1rem;
    color: var(--text-secondary);
}

.icon-option:hover,
.avatar-option:hover,
.color-option:hover {
    transform: scale(1.08);
}

.icon-option input,
.avatar-option input,
.color-option input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.icon-option:has(input:checked) {
    background-color: var(--primary-gradient);
    border-color: var(--primary);
}

.icon-option:has(input:checked) i {
    color: #ffffff;
}

.color-option:has(input:checked) {
    border-color: var(--text-primary);
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
}

.color-option:has(input:checked)::after {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: #ffffff;
    font-size: 0.8rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

/* Task Status selection styling */
.status-selector {
    display: flex;
    gap: 10px;
}

.status-option {
    position: relative;
    cursor: pointer;
    flex: 1;
}

.status-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.status-option .status-badge {
    display: block;
    text-align: center;
    padding: 8px;
    font-weight: 600;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
    background-color: var(--bg-input);
    color: var(--text-secondary);
}

.status-option:has(input:checked) .status-badge.pending {
    background-color: var(--status-pending-bg);
    border-color: var(--status-pending);
    color: var(--status-pending);
}

.status-option:has(input:checked) .status-badge.in-progress {
    background-color: var(--status-in-progress-bg);
    border-color: var(--status-in-progress);
    color: var(--status-in-progress);
}

.status-option:has(input:checked) .status-badge.completed {
    background-color: var(--status-completed-bg);
    border-color: var(--status-completed);
    color: var(--status-completed);
}

/* Confirm Dialog Styling */
.confirm-content {
    padding: 24px;
}

.text-center {
    text-align: center;
}

.warning-icon {
    font-size: 3rem;
    color: var(--priority-high);
    margin-bottom: 16px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

.confirm-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.confirm-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.confirm-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

/* ----------------------------------------------------
   TOAST NOTIFICATIONS SYSTEM
   ---------------------------------------------------- */

.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 20000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 320px;
    width: 100%;
}

.toast {
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInLeft 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.toast::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--toast-accent, var(--primary));
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(100px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.toast.fade-out {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
}

.toast-icon {
    font-size: 1.15rem;
    flex-shrink: 0;
}

.toast-success {
    --toast-accent: var(--status-completed);
}
.toast-success .toast-icon {
    color: var(--status-completed);
}

.toast-error {
    --toast-accent: var(--priority-high);
}
.toast-error .toast-icon {
    color: var(--priority-high);
}

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

.toast-warning {
    --toast-accent: var(--priority-medium);
}
.toast-warning .toast-icon {
    color: var(--priority-medium);
}

.toast-body {
    flex: 1;
}

.toast-message {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.4;
}

/* ----------------------------------------------------
   RESPONSIVE DESIGN
   ---------------------------------------------------- */

@media (max-width: 992px) {
    .main-content {
        padding: 20px 24px;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        height: 100vh;
        z-index: 1100;
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-close-btn {
        display: block;
    }
    
    .menu-toggle-btn {
        display: block;
    }
    
    .main-content {
        padding: 16px;
    }
    
    .top-nav {
        margin-bottom: 20px;
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .dashboard-header button {
        width: 100%;
    }
    
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group-right {
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 100%;
    }
    
    .filter-group-right select {
        width: 100%;
    }
    
    .form-row-2col {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

/* Profile settings layout styles */
.profile-card-container {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-top: 20px;
    max-width: 800px;
}
.profile-settings-form {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: flex-start;
}
@media (max-width: 600px) {
    .profile-settings-form {
        flex-direction: column;
        align-items: center;
    }
}
.profile-avatar-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.profile-avatar-upload {
    width: 140px;
    height: 140px;
    border-radius: var(--radius-circle);
    border: 2px dashed var(--border-color);
    background: var(--bg-input);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}
.profile-avatar-upload:hover {
    border-color: var(--accent-primary);
    transform: scale(1.03);
}
.profile-avatar-upload img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.avatar-upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #ffffff;
    opacity: 0;
    transition: opacity var(--transition-fast);
    font-size: 0.8rem;
}
.profile-avatar-upload:hover .avatar-upload-overlay {
    opacity: 1;
}
.avatar-upload-overlay i {
    font-size: 1.5rem;
}
.default-avatar-upload-icon {
    font-size: 3.5rem;
    color: var(--text-muted);
}
.upload-help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 180px;
}
.profile-fields-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}
.profile-action-buttons {
    display: flex;
    gap: 12px;
    margin-top: 10px;
    justify-content: flex-start;
}