/* Components - Buttons, Cards, Nav, Badges */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--fs-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-base);
    border: 1px solid transparent;
    gap: var(--space-2);
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-deep);
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--glass-border);
    backdrop-filter: var(--glass-blur);
}

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

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: var(--transition-base);
    backdrop-filter: var(--glass-blur);
}

.card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

/* Badges / Chips */
.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

.badge-accent {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.2);
    color: var(--accent-primary);
}

/* Sidebar Navigation (Desktop) */
#sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 80px;
    background: var(--bg-surface);
    border-right: 1px solid var(--glass-border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-8) 0;
    transition: width var(--transition-slow);
    overflow: hidden;
}

#sidebar:hover {
    width: 260px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
}

.nav-brand {
    margin-bottom: var(--space-12);
    font-weight: 800;
    font-size: var(--fs-xl);
    color: var(--accent-primary);
    white-space: nowrap;
}

.nav-links {
    list-style: none;
    width: 100%;
    flex-grow: 1;
}

.nav-item {
    width: 100%;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    color: var(--text-secondary);
    gap: var(--space-4);
    white-space: nowrap;
    position: relative;
}

.nav-link svg {
    min-width: 24px;
    text-align: center;
}

.nav-link span {
    opacity: 0;
    transition: opacity var(--transition-base);
}

#sidebar:hover .nav-link span {
    opacity: 1;
}

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

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 4px;
    background: var(--accent-primary);
    box-shadow: var(--glow-primary);
    border-radius: 0 4px 4px 0;
}

.nav-footer {
    width: 100%;
    padding: var(--space-6);
}

/* Mobile Nav (Drawer) */
.mobile-nav-toggle {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 1100;
    background: rgba(10, 10, 15, 0.5);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: transform 0.2s;
}

.mobile-nav-toggle:active {
    transform: scale(0.95);
}

#mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: rgba(5, 5, 8, 0.95);
    z-index: 1050;
    padding: var(--space-8);
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1); /* Apple-like ease */
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--glass-border);
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
}

#mobile-drawer.open {
    right: 0;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--glass-border);
}

.drawer-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

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

#mobile-drawer .nav-links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

#mobile-drawer .nav-item {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.4s ease;
}

#mobile-drawer.open .nav-item {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger animation for nav items */
#mobile-drawer.open .nav-item:nth-child(1) { transition-delay: 0.1s; }
#mobile-drawer.open .nav-item:nth-child(2) { transition-delay: 0.15s; }
#mobile-drawer.open .nav-item:nth-child(3) { transition-delay: 0.2s; }
#mobile-drawer.open .nav-item:nth-child(4) { transition-delay: 0.25s; }
#mobile-drawer.open .nav-item:nth-child(5) { transition-delay: 0.3s; }

#mobile-drawer .nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--fs-lg);
    font-weight: 600;
    transition: background 0.2s;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
}

#mobile-drawer .nav-link svg {
    color: var(--accent-primary);
    opacity: 0.8;
}

#mobile-drawer .nav-link span {
    opacity: 1;
}

#mobile-drawer .nav-link:hover,
#mobile-drawer .nav-link.active {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

#mobile-drawer .nav-link:hover svg,
#mobile-drawer .nav-link.active svg {
    opacity: 1;
    transform: scale(1.1);
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1040;
    display: none;
}

.drawer-overlay.open {
    display: block;
}

/* Responsive Nav */
@media (max-width: 1023px) {
    #sidebar {
        display: none;
    }
    .mobile-nav-toggle {
        display: flex;
    }
    body {
        padding-left: 0 !important;
    }
}

@media (min-width: 1024px) {
    .mobile-nav-toggle {
        display: none;
    }
}

@media (min-width: 1024px) {
    body {
        padding-left: 80px;
    }
}

/* Footer */
footer {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--glass-border);
    margin-top: var(--space-12);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    text-align: center;
}

.footer-content p {
    margin-bottom: 0;
    font-size: var(--fs-sm);
}