/* CSS Design System and Modern Stylesheet */

:root {
    /* Color Palette (HSL for precision tuning) */
    --bg-base: hsl(230, 25%, 8%);
    --bg-surface: hsla(230, 25%, 15%, 0.45);
    --bg-surface-hover: hsla(230, 25%, 22%, 0.6);
    
    --text-primary: hsl(210, 40%, 98%);
    --text-secondary: hsl(215, 20%, 75%);
    --text-muted: hsl(215, 15%, 55%);
    
    --color-accent: hsl(250, 85%, 65%);
    --color-accent-glow: hsla(250, 85%, 65%, 0.15);
    --color-success: hsl(142, 70%, 50%);
    --color-success-glow: hsla(142, 70%, 50%, 0.2);
    --color-danger: hsl(0, 84%, 60%);
    
    /* Layout and Spacing */
    --border-radius-lg: 16px;
    --border-radius-md: 10px;
    --border-radius-sm: 6px;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.16);
}

/* Reset & Base Elements */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100dvh;
    overflow-x: hidden;
    scrollbar-gutter: stable;
    position: relative;
}

/* Decorative Background Glowing Blobs */
.glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
    animation: pulseGlow 15s infinite alternate ease-in-out;
}

.glow-1 {
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    top: -200px;
    left: -150px;
}

.glow-2 {
    background: radial-gradient(circle, hsl(320, 85%, 60%) 0%, transparent 70%);
    bottom: -200px;
    right: -150px;
    animation-delay: -5s;
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.15) translate(50px, 30px); }
}

/* Outer layout wrapper */
.container-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-height: 100dvh;
}

/* Main Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.icon-logo {
    font-size: 2.5rem;
    color: var(--color-accent);
    filter: drop-shadow(0 0 10px var(--color-accent));
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.1rem;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 30px;
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
    font-weight: 500;
}

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

.status-indicator.online {
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
    animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

/* Controls Section (Search & Filter) */
.controls-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
}

.search-bar-wrapper {
    position: relative;
    flex: 1;
    min-width: 300px;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

#search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

#search-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
    background: var(--bg-surface-hover);
}

/* Category Navigation Filter Tabs */
.category-tabs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 4px;
}

.tab-btn {
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: var(--border-color-hover);
}

.tab-btn.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

/* App Grid Section */
.grid-section {
    flex: 1;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* App Cards */
.app-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 1.75rem;
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: var(--transition-smooth);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.app-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-color-hover);
    background: var(--bg-surface-hover);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.4), 0 0 15px 0 var(--color-accent-glow);
}

.app-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.app-icon-box {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, var(--color-accent), hsl(270, 85%, 65%));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.35rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

/* Specific app status indicator in header */
.app-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.app-status.checking {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.app-status.online {
    background: var(--color-success-glow);
    color: var(--color-success);
}

.app-status.offline {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
}

.app-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.app-status.online .app-status-dot {
    background-color: var(--color-success);
    box-shadow: 0 0 5px var(--color-success);
}

.app-status.offline .app-status-dot {
    background-color: var(--color-danger);
}

.app-card-body h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.app-card-body p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: clip;
    margin-bottom: 1.5rem;
}

.app-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.app-action-link {
    color: var(--color-accent);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
}

.app-card:hover .app-action-link {
    text-decoration: underline;
}

/* Loading & Empty States */
.loading-state, .empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 2rem;
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    border: 1px dashed var(--border-color);
    text-align: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.loading-state i {
    font-size: 2.5rem;
    color: var(--color-accent);
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-muted);
}

/* Footer & Config Panel */
.portal-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.config-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

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

.config-panel {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.config-panel.hidden {
    display: none;
}

.config-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.config-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.config-body {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cmd-code {
    display: block;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: monospace;
    font-size: 0.85rem;
    color: hsl(45, 100%, 65%);
    overflow-x: auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container-wrapper {
        padding: 1.5rem 1rem;
    }
    
    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .system-status {
        align-self: flex-start;
    }
    
    .controls-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-tabs {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}