* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Beautiful Animated Background Glows */
.bg-gradient-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,0,0,0) 70%);
    top: -100px;
    right: -100px;
    z-index: -2;
    filter: blur(80px);
    pointer-events: none;
    animation: slow-drift 20s infinite alternate;
}

.bg-noise {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 0);
    background-size: 24px 24px;
    z-index: -1;
    pointer-events: none;
}

@keyframes slow-drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-80px, 80px) scale(1.1); }
}

/* Main Loader */
.app-loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loader-content {
    text-align: center;
    max-width: 400px;
    width: 80%;
}

.loader-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-highlight);
    margin-bottom: 24px;
}

.logo-icon-spin {
    color: var(--accent);
    animation: spin 3s linear infinite;
}

.logo-accent {
    color: var(--accent);
}

.loader-bar-container {
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 12px;
}

.loader-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, #a855f7 100%);
    border-radius: 10px;
    transition: width 0.2s ease;
}

.loader-status {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* App Shell Layout */
.app-shell {
    display: flex;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-glass);
    border-right: 1px solid var(--border-glass);
    backdrop-filter: blur(var(--blur-val));
    -webkit-backdrop-filter: blur(var(--blur-val));
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 100;
    transition: transform 0.3s ease, background 0.3s ease, border-right 0.3s ease;
}

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

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-highlight);
}

.sidebar-logo i {
    color: var(--accent);
}

.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
}

.active-skills-container {
    padding: 0 24px 16px 24px;
    border-bottom: 1px solid var(--border-glass);
}

.active-skills-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 1px;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

.active-skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 24px;
}

.skill-badge-empty {
    font-size: 0.75rem;
    font-style: italic;
    color: var(--text-secondary);
}

.skill-active-pill {
    background: rgba(93, 108, 252, 0.15);
    border: 1px solid rgba(93, 108, 252, 0.3);
    border-radius: 20px;
    padding: 2px 8px;
    font-size: 0.7rem;
    color: var(--text-highlight);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}

.skill-pill-remove {
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.15s ease;
}

.skill-pill-remove:hover {
    color: var(--accent-red);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: 8px;
    transition: background 0.2s ease, color 0.2s ease;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-highlight);
}

.nav-item.active {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-glass);
}

.theme-toggle-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: background 0.2s ease;
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.06);
}

/* Main Workspace Area */
.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    position: relative;
}

/* Header */
.app-header {
    height: 64px;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border-glass);
    backdrop-filter: blur(var(--blur-val));
    -webkit-backdrop-filter: blur(var(--blur-val));
    z-index: 90;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
}

.header-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-highlight);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Global Model Selector */
.global-model-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.select-container {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    overflow: hidden;
}

.global-model-selector select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 6px 32px 6px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    appearance: none;
}

.select-container::after {
    content: '\f078';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.model-info-icon {
    font-size: 0.95rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.15s ease;
}

.model-info-icon:hover {
    color: var(--accent);
}

/* Tooltip Popover styling */
.popover-container {
    position: absolute;
    z-index: 1000;
    padding: 8px 12px;
    border-radius: 8px;
    max-width: 250px;
    box-shadow: var(--shadow);
    display: none;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

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

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    width: 90%;
    max-width: 480px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.modal-title-icon {
    font-size: 1.5rem;
}

.modal-body {
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.disclaimer-alert-card {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 8px;
    padding: 12px;
    margin: 12px 0;
}

.text-amber {
    color: var(--accent-amber);
}

.text-highlight {
    color: var(--text-highlight);
    font-weight: 700;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.btn {
    border: none;
    border-radius: 20px;
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
}

.btn:active {
    transform: scale(0.97);
}

.btn-secondary {
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.08);
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-amber {
    background: var(--accent-amber) !important;
    color: #000000 !important;
}

.btn-amber:hover {
    background: #e08e06 !important;
}

/* View Mounting */
.view-mount-point {
    flex: 1;
    overflow: hidden;
    position: relative;
    padding: 24px;
}

/* Glassmorphism utility */
.glass-panel {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(var(--blur-val));
    -webkit-backdrop-filter: blur(var(--blur-val));
    box-shadow: var(--shadow);
    border-radius: 16px;
    transition: background 0.3s ease, border 0.3s ease;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: 0; top: 0; bottom: 0;
        transform: translateX(-100%);
    }
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    .sidebar-close-btn {
        display: block;
    }
    .sidebar-toggle-btn {
        display: block;
    }
}