:root {
    --primary: #2563EB;
    --secondary: #14B8A6;
    --onco: #8B5CF6;
    --sidebar-width: 272px;
    --sidebar-collapsed: 78px;
    --header-height: 70px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #F1F5F9;
    overflow-x: hidden;
}

.dark body,
html.dark body {
    background: #0F172A;
}

::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 10px;
}

.dark ::-webkit-scrollbar-thumb {
    background: #475569;
}

.sidebar {
    width: var(--sidebar-width);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 50;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar.collapsed .sidebar-text,
.sidebar.collapsed .sidebar-logo-text,
.sidebar.collapsed .sidebar-badge,
.sidebar.collapsed .sidebar-submenu,
.sidebar.collapsed .menu-section-title,
.sidebar.collapsed .sidebar-upgrade {
    display: none;
}

.sidebar.collapsed .sidebar-link {
    justify-content: center;
    padding: 10px 12px;
}

.sidebar.collapsed .sidebar-logo {
    justify-content: center;
}

.sidebar-link {
    transition: all 0.2s ease;
    position: relative;
    border-radius: 10px;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform 0.2s ease;
    border-radius: 0 3px 3px 0;
}

.sidebar-link:hover::before,
.sidebar-link.active::before {
    transform: scaleY(1);
}

.main-content {
    margin-left: var(--sidebar-width);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 100vh;
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed);
}

@media (max-width: 1023px) {
    .main-content {
        margin-left: 0 !important;
    }
}

.header {
    height: var(--header-height);
}

.header.scrolled {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
}

.dark .header.scrolled {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.25);
}

.stat-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #8B5CF6, #A855F7);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.dark .stat-card:hover {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.gradient-primary {
    background: linear-gradient(135deg, #2563EB, #1d4ed8);
}

.gradient-secondary {
    background: linear-gradient(135deg, #14B8A6, #0d9488);
}

.gradient-success {
    background: linear-gradient(135deg, #22C55E, #16a34a);
}

.gradient-warning {
    background: linear-gradient(135deg, #F59E0B, #d97706);
}

.gradient-danger {
    background: linear-gradient(135deg, #EF4444, #dc2626);
}

.gradient-mixed {
    background: linear-gradient(135deg, #2563EB, #14B8A6);
}

.gradient-onco {
    background: linear-gradient(135deg, #8B5CF6, #A855F7);
}

.gradient-hope {
    background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 50%, #D946EF 100%);
}

.gradient-ribbon {
    background: linear-gradient(135deg, #EC4899, #F472B6);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.badge-remission {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

.badge-remission::before {
    background: #22C55E;
}

.badge-active {
    background: rgba(139, 92, 246, 0.1);
    color: #7c3aed;
}

.badge-active::before {
    background: #8B5CF6;
}

.badge-critical {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.badge-critical::before {
    background: #EF4444;
}

.badge-chemo {
    background: rgba(37, 99, 235, 0.1);
    color: #1d4ed8;
}

.badge-chemo::before {
    background: #2563EB;
}

.badge-radiation {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.badge-radiation::before {
    background: #F59E0B;
}

.badge-scheduled {
    background: rgba(20, 184, 166, 0.1);
    color: #0d9488;
}

.badge-scheduled::before {
    background: #14B8A6;
}

.notif-dot::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background: #EF4444;
    border-radius: 50%;
    border: 2px solid white;
}

.dark .notif-dot::after {
    border-color: #1E293B;
}

.dropdown-menu {
    transform-origin: top right;
}

.dropdown-menu.show {
    animation: ddIn 0.25s ease forwards;
}

@keyframes ddIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-4px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

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

.modal-box {
    background: white;
    border-radius: 20px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dark .modal-box {
    background: #1E293B;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

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

.toast-item {
    animation: toastSlide 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    pointer-events: auto;
}

@keyframes toastSlide {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-item.removing {
    animation: toastHide 0.3s ease forwards;
}

@keyframes toastHide {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-ring {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(139, 92, 246, 0.2);
    border-top-color: #8B5CF6;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Awareness ribbon */
@keyframes ribbon-pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

.ribbon-pulse {
    animation: ribbon-pulse 3s ease-in-out infinite;
}

/* Hope glow */
@keyframes hope-glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(139, 92, 246, 0.6);
    }
}

.hope-glow {
    animation: hope-glow 3s ease-in-out infinite;
}

/* Cell division animation */
@keyframes cell-drift {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(180deg);
    }
}

.cell-drift {
    animation: cell-drift 6s ease-in-out infinite;
}

/* Progress */
.progress-animated {
    animation: progressGrow 2s ease-out forwards;
    width: 0;
}

@keyframes progressGrow {
    to {
        width: var(--pw);
    }
}

/* Tabs */
.tab-btn {
    position: relative;
    transition: all 0.2s ease;
}

.tab-btn.active {
    color: #8B5CF6 !important;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: #8B5CF6;
    border-radius: 2px;
}

/* Doctor card */
.dept-doctor-card {
    transition: all 0.3s ease;
}

.dept-doctor-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.1);
}

/* Cancer type card */
.cancer-type-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.cancer-type-card:hover {
    transform: translateY(-4px) scale(1.02);
}

/* Treatment card */
.treatment-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.treatment-card:hover {
    transform: translateX(4px);
}

/* Support card */
.support-item {
    transition: all 0.2s ease;
}

.support-item:hover {
    background: rgba(139, 92, 246, 0.05);
}

.dark .support-item:hover {
    background: rgba(139, 92, 246, 0.1);
}

/* Chemo cycle progress */
.cycle-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 800;
    transition: all 0.2s ease;
}

.cycle-dot.completed {
    background: #8B5CF6;
    color: white;
}

.cycle-dot.current {
    background: #A855F7;
    color: white;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}

.cycle-dot.pending {
    background: #E2E8F0;
    color: #94A3B8;
}

.dark .cycle-dot.pending {
    background: #334155;
    color: #64748b;
}

.cycle-connector {
    flex: 1;
    height: 3px;
    background: #E2E8F0;
}

.dark .cycle-connector {
    background: #334155;
}

.cycle-connector.completed {
    background: #8B5CF6;
}