/* ============================================
   MUSKAN KUMAR - UI COMPONENTS
   ============================================ */

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.navbar-logo {
    font-size: var(--text-xl);
    font-weight: 700;
}

.navbar-logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .navbar-logo {
        font-size: var(--text-lg);
    }
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
}

.navbar-link {
    position: relative;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-link:hover {
    color: var(--text-primary);
    background: var(--border-subtle);
}

.navbar-link.active {
    color: var(--accent-primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    cursor: pointer;
    position: relative;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--accent-gradient);
    border-radius: 50%;
    transition: transform var(--transition-spring);
}

[data-theme="light"] .theme-toggle::before {
    transform: translateX(20px);
}

/* Mobile Menu */
/* Mobile Menu Button - Impressive Styling */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(79, 140, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    min-width: 48px;
    min-height: 48px;
    justify-content: center;
    align-items: center;
}

.mobile-menu-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-menu-btn:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(79, 140, 255, 0.3);
}

.mobile-menu-btn:hover::before {
    opacity: 0.1;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

/* Hamburger Animation */
.mobile-menu-btn.open span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
    background: var(--accent-primary);
}

.mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.mobile-menu-btn.open span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
    background: var(--accent-primary);
}

/* Mobile Menu Backdrop Overlay */
.menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(5, 10, 25, 0.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 40;
}

.menu-backdrop.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Prevent body scroll when menu is open */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* Mobile Menu Drawer - Enhanced */
@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        height: 100dvh;
        /* Dynamic viewport height for mobile browsers */
        flex-direction: column;
        align-items: stretch;
        padding: 80px 24px 24px;
        background: #0b0f1a;
        border-left: 1px solid rgba(79, 140, 255, 0.2);
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        z-index: 50;
    }

    .navbar-menu.open {
        right: 0;
    }

    .navbar-menu li {
        margin-bottom: 8px;
    }

    .navbar-link {
        width: 100%;
        padding: 16px 24px;
        font-size: 18px;
        font-weight: 500;
        border-radius: var(--radius-lg);
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
        display: block;
        text-align: center;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .navbar-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 4px;
        height: 0;
        background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
        border-radius: 0 var(--radius-full) var(--radius-full) 0;
        transition: height 0.3s ease;
    }

    .navbar-link:hover,
    .navbar-link.active {
        background: rgba(79, 140, 255, 0.15);
        color: var(--accent-primary);
        transform: translateX(4px);
    }

    .navbar-link:hover::before,
    .navbar-link.active::before {
        height: 60%;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Hide desktop navbar items */
    .navbar-actions .theme-toggle {
        margin-right: 8px;
    }
}

/* Tablet responsive adjustments */
@media (max-width: 1024px) and (min-width: 769px) {
    .navbar-menu {
        gap: 16px;
    }

    .navbar-link {
        font-size: 15px;
        padding: 12px 16px;
    }
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}


.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}


/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    min-height: 44px;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--text-base);
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        font-size: 16px;
    }
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(79, 140, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

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

.btn-ghost {
    background: transparent;
    color: var(--accent-primary);
}

.btn-ghost:hover {
    background: rgba(79, 140, 255, 0.1);
}

/* Cards */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

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

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

/* Stats Card */
.stat-card {
    text-align: center;
    padding: var(--space-xl);
}

.stat-value {
    font-size: var(--text-4xl);
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: var(--space-sm);
    text-transform: uppercase;
}

/* Project Card */
.project-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.project-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image {
    transform: scale(1.05);
}

.project-card-content {
    padding: var(--space-lg);
}

.project-card-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.project-card-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.project-card.flagship {
    grid-column: span 2;
    border-color: var(--accent-primary);
    box-shadow: var(--glow-primary);
}

/* Social Cards */
.social-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.social-card:hover {
    transform: translateX(8px);
}

.social-card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: var(--text-2xl);
}

.social-card-icon.github {
    background: #24292e;
}

.social-card-icon.linkedin {
    background: #0077b5;
}

.social-card-icon.twitter {
    background: #1da1f2;
}

.social-card-icon.instagram {
    background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
}

.social-card-icon.youtube {
    background: #ff0000;
}

.social-card-icon.email {
    background: var(--accent-gradient);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    min-height: 44px;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-primary);
    font-size: 16px;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

@media (max-width: 768px) {

    .form-input,
    .form-textarea,
    .form-select {
        font-size: 16px;
    }
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Chips */
.chip {
    display: inline-flex;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    max-width: 90vw;
    max-height: 90vh;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    background: var(--bg-elevated);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
}

/* Tabs */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
}

.tab {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
}

.tab:hover {
    color: var(--text-primary);
    background: var(--border-subtle);
}

.tab.active {
    color: var(--text-primary);
    background: var(--accent-gradient);
}

/* Footer */
.footer {
    padding: var(--space-2xl) 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
}

.footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-socials {
    display: flex;
    gap: var(--space-sm);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
}

.footer-social-link:hover {
    color: var(--text-primary);
    background: var(--accent-primary);
}

/* Preloader */
.preloader {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    z-index: 10000;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    font-size: var(--text-3xl);
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Command Palette */
.command-palette-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
}

.command-palette-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.command-palette {
    position: fixed;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 600px;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
}

.command-palette.active {
    opacity: 1;
    visibility: visible;
}

.command-palette-input {
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    font-size: var(--text-lg);
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-subtle);
}

.command-result {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-secondary);
    cursor: pointer;
}

.command-result:hover {
    background: var(--border-subtle);
}