/* ===== MOBILE PORTFOLIO STYLES ===== */

:root {
    --primary-color: #2196f3;
    --primary-dark: #0d47a1;
    --primary-light: #bbdefb;
    --secondary-color: #00b0ff;
    --accent-color: #ff6d00;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --dark-bg: #121212;
    --light-bg: #ffffff;
    --card-bg: #f8f9fa;
    --text-primary: #212121;
    --text-secondary: #757575;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0d1117;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ===== MODE SELECTOR ===== */
.mode-selector {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    display: flex;
    gap: 12px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.desktop-mode .mode-selector {
    z-index: 1001; /* Higher z-index for desktop mode */
}

.mode-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.mode-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateY(-2px);
}

.mode-btn.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.mode-btn i {
    font-size: 16px;
}

/* ===== DEVICE CONTAINER ===== */
.device-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 1400px;
}

/* ===== MOBILE DEVICE FRAME ===== */
.mobile-device {
    width: 375px;
    height: 812px;
    background: #000;
    border-radius: 40px;
    position: relative;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px #333,
        inset 0 0 0 6px #000;
    overflow: hidden;
    transform: scale(0.9);
    transition: var(--transition);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Remove device hover/active animations to prevent weird forward/backward effects */

/* Device buttons */
.mobile-device::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 10px;
    transform: translateX(-50%);
    width: 150px;
    height: 30px;
    background: #000;
    border-radius: 15px;
    z-index: 10;
}

/* Side buttons */
.mobile-device::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 120px;
    width: 6px;
    height: 40px;
    background: #333;
    border-radius: 3px;
}

/* ===== STATUS BAR ===== */
.status-bar {
    height: 44px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    font-size: 14px;
    color: var(--text-primary);
    position: relative;
    z-index: 5;
}

.status-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.time {
    font-weight: 600;
}

.status-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.notch {
    width: 126px;
    height: 30px;
    background: #000;
    border-radius: 0 0 20px 20px;
    position: relative;
}

.notch::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: 0;
    background: var(--light-bg);
    border-radius: 0 0 18px 18px;
}

.status-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ===== APP CONTAINER ===== */
.app-container {
    height: calc(100% - 44px - 83px);
    position: relative;
    overflow: hidden;
}

/* ===== APP SCREENS ===== */
.app-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--light-bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 32px; /* Internal padding on all sides */
}

.app-screen.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.app-screen::-webkit-scrollbar {
    width: 4px;
}

.app-screen::-webkit-scrollbar-track {
    background: transparent;
}

.app-screen::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

/* ===== HOME SCREEN ===== */
.home-content {
    padding: var(--spacing-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* ===== HERO SECTION ===== */
.hero-section {
    margin-bottom: var(--spacing-xl);
}

.profile-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.profile-image-large {
    position: relative;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(33, 150, 243, 0.4);
    border: 4px solid rgba(255, 255, 255, 0.15);
    z-index: 2;
}

.profile-image-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.3;
    animation: enhanced-pulse 4s ease-in-out infinite;
    z-index: 1;
}

.profile-glow::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    opacity: 0.2;
    animation: enhanced-pulse 4s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

@keyframes enhanced-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.2;
    }
    25% {
        transform: scale(1.05);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
    75% {
        transform: scale(1.05);
        opacity: 0.3;
    }
}

.hero-text h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.role {
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.tagline {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ===== KEY STATS ===== */
.key-stats {
    display: flex;
    justify-content: space-around;
    width: 100%;
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-md);
}

/* Tablet: 2 stats per row */
body.tablet-mode .key-stats {
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

body.tablet-mode .stat-item {
    flex: 0 0 calc(50% - var(--spacing-lg) / 2);
    margin-bottom: var(--spacing-lg);
}

/* Desktop: 3 stats per row */
body.desktop-mode .key-stats {
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    justify-content: center;
}

body.desktop-mode .stat-item {
    flex: 0 0 calc(33.333% - var(--spacing-xl) * 2 / 3);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* ===== MAIN ACTIONS ===== */
.main-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    margin-bottom: var(--spacing-xl);
}

/* Tablet and Desktop: Side by side buttons */
body.tablet-mode .main-actions,
body.desktop-mode .main-actions {
    flex-direction: row;
    justify-content: center;
    gap: var(--spacing-xl);
}

body.tablet-mode .primary-action,
body.tablet-mode .secondary-action,
body.desktop-mode .primary-action,
body.desktop-mode .secondary-action {
    flex: 0 0 auto;
    min-width: 200px;
    max-width: 250px;
}

.primary-action,
.secondary-action {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.primary-action {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.primary-action:hover {
    /* Removed hover effects for stable phone UI */
}

.secondary-action {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid var(--primary-light);
}

.secondary-action:hover {
    /* Removed hover effects for stable phone UI */
}

.primary-action i,
.secondary-action i {
    font-size: 18px;
}

/* ===== QUICK LINKS ===== */
.quick-links {
    display: flex;
    justify-content: space-around;
    width: 100%;
    padding: 0 var(--spacing-lg);
}

.link-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.link-item:hover {
    /* Removed hover effects for stable phone UI */
}

.link-item i {
    font-size: 20px;
    margin-bottom: 2px;
}

.link-item span {
    font-size: 12px;
    font-weight: 500;
}

/* ===== SCREEN HEADER ===== */
.screen-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.back-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.back-btn:hover {
    /* Removed hover effects for stable phone UI */
}

.screen-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.spacer {
    flex: 1;
}

/* ===== SECTION CARDS ===== */
.section-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.section-header i {
    color: var(--primary-color);
    font-size: 20px;
}

.section-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== TIMELINE ===== */
.timeline-container {
    position: relative;
    padding-left: 20px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -27px;
    top: 24px;
    width: 16px;
    height: 16px;
    background: var(--light-bg);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    box-shadow: var(--shadow);
    z-index: 1;
}

.timeline-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.institution {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 16px;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.period {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.period::before {
    content: '📅';
    font-size: 14px;
}

.description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* Tablet and Desktop: Enhanced timeline */
body.tablet-mode .timeline-item,
body.desktop-mode .timeline-item {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

body.tablet-mode .timeline-content h4,
body.desktop-mode .timeline-content h4 {
    font-size: 20px;
}

body.tablet-mode .institution,
body.desktop-mode .institution {
    font-size: 17px;
}

body.tablet-mode .description,
body.desktop-mode .description {
    font-size: 15px;
    line-height: 1.7;
}

/* ===== SKILLS CONTENT ===== */
.skills-section {
    margin-bottom: var(--spacing-xl);
}

.skills-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Tablet: 2 skills per row */
body.tablet-mode .skill-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

/* Desktop: 3 skills per row */
body.desktop-mode .skill-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.skill-item {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
}

.skill-level {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

.skill-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    transition: width 1s ease-in-out;
}

/* ===== PROJECTS CONTENT ===== */
.projects-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Tablet: 2 projects per row */
body.tablet-mode .projects-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

/* Desktop: 3 projects per row */
body.desktop-mode .projects-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    /* Removed hover effects for stable phone UI */
}

.project-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

/* Tablet: Bigger project images */
body.tablet-mode .project-image {
    height: 250px;
}

/* Desktop: Even bigger project images */
body.desktop-mode .project-image {
    height: 300px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    /* Removed hover effects for stable phone UI */
}

.no-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
}

.project-info {
    padding: var(--spacing-lg);
}

.project-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.project-info p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.project-tags span {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 500;
}

/* ===== CERTIFICATIONS CONTENT ===== */
.certifications-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Tablet: 2 certifications per row */
body.tablet-mode .certifications-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

/* Desktop: 3 certifications per row */
body.desktop-mode .certifications-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.cert-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.cert-card:hover {
    /* Removed hover effects for stable phone UI */
}

.cert-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 24px;
    flex-shrink: 0;
}

.flutter-icon {
    width: 48px;
    height: 48px;
}

.cert-info {
    flex: 1;
}

.cert-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.cert-issuer {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.cert-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

/* ===== BOTTOM NAVIGATION ===== */
.bottom-nav {
    height: 83px;
    background: var(--light-bg);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 10;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    min-width: 60px;
}

.nav-item.active {
    color: var(--primary-color);
    background: rgba(33, 150, 243, 0.1);
}

.nav-item i {
    font-size: 20px;
    margin-bottom: 2px;
}

.nav-item span {
    font-size: 10px;
    font-weight: 500;
}

/* ===== HOME INDICATOR ===== */
.home-indicator {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 134px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

/* ===== ANIMATIONS ===== */
/* Removed staggered animations for authentic mobile app feel */

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 480px) {
    .mobile-device {
        width: 320px;
        height: 568px;
        transform: scale(0.8);
    }

    .mobile-device:hover {
        transform: scale(0.85);
    }

    body {
        padding: 10px;
    }
}

@media (max-width: 360px) {
    .mobile-device {
        width: 280px;
        height: 500px;
        transform: scale(0.7);
    }

    .mobile-device:hover {
        transform: scale(0.75);
    }
}

/* ===== LOADING ANIMATION ===== */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== REFRESH INDICATOR ===== */
.refresh-indicator {
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow);
    z-index: 10;
    animation: refresh-pulse 1s ease-in-out infinite;
}

.refresh-indicator i {
    animation: spin 1s linear infinite;
}

@keyframes refresh-pulse {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1.05);
    }
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--success-color);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-dark);
    z-index: 1000;
    animation: toast-appear 0.3s ease-out;
}

.toast.success {
    background: var(--success-color);
}

.toast.error {
    background: var(--error-color);
}

.toast i {
    font-size: 16px;
}

@keyframes toast-appear {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ===== ENHANCED TOUCH FEEDBACK ===== */
@media (hover: none) and (pointer: coarse) {
    /* Mobile-specific touch enhancements */
    .mobile-device {
        cursor: default;
    }

    .action-btn:active,
    .nav-item:active,
    .back-btn:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }

    .stat-card:active,
    .project-card:active,
    .cert-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
}

/* ===== BATTERY AND SIGNAL ANIMATIONS ===== */
.status-right i {
    transition: opacity 0.3s ease;
}

.status-right i:nth-child(1) {
    animation: signal-pulse 3s ease-in-out infinite;
}

.status-right i:nth-child(2) {
    animation: wifi-pulse 4s ease-in-out infinite;
}

.status-right i:nth-child(3) {
    animation: battery-pulse 5s ease-in-out infinite;
}

@keyframes signal-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes wifi-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes battery-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ===== LOADING SKELETON ===== */
.skeleton {
    background: linear-gradient(90deg, var(--border-color) 25%, transparent 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: #1e1e1e;
        --card-bg: #2a2a2a;
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
        --border-color: #404040;
    }
}

/* ===== DEVICE MODES ===== */

/* Tablet Mode */
body.tablet-mode .mobile-device {
    width: 768px;
    height: 1024px;
    border-radius: 20px;
    transform: scale(0.85);
}

body.tablet-mode .mobile-device::before {
    width: 200px;
    height: 20px;
    border-radius: 10px;
}

body.tablet-mode .mobile-device::after {
    width: 8px;
    height: 60px;
    right: -4px;
    top: 150px;
}

body.tablet-mode .status-bar {
    height: 48px;
}

body.tablet-mode .notch {
    width: 180px;
    height: 25px;
}

body.tablet-mode .notch::before {
    border-radius: 0 0 15px 15px;
}

body.tablet-mode .bottom-nav {
    height: 88px;
}

body.tablet-mode .home-indicator {
    width: 180px;
    height: 6px;
    border-radius: 3px;
}

/* Desktop Mode */
body.desktop-mode .mobile-device {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    transform: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
}

body.desktop-mode .mobile-device::before {
    width: 400px;
    height: 30px;
    border-radius: 15px;
}

body.desktop-mode .mobile-device::after {
    display: none; /* No side buttons on desktop */
}

body.desktop-mode .status-bar {
    height: 45px;
    padding: 0 40px;
}

body.desktop-mode .notch {
    display: none; /* No notch on desktop */
}

body.desktop-mode .bottom-nav {
    height: 85px;
    padding: 0 50px;
}

body.desktop-mode .home-indicator {
    display: none; /* No home indicator on desktop */
}

body.desktop-mode .nav-item {
    min-width: 100px;
}

body.desktop-mode .nav-item i {
    font-size: 26px;
    margin-bottom: 6px;
}

body.desktop-mode .nav-item span {
    font-size: 14px;
}

/* Responsive adjustments for device modes */
@media (max-width: 1600px) {
    body.tablet-mode .mobile-device {
        transform: scale(0.75);
    }

    body.desktop-mode .mobile-device {
        transform: scale(0.65);
    }
}

@media (max-width: 1400px) {
    body.tablet-mode .mobile-device {
        transform: scale(0.7);
    }

    body.desktop-mode .mobile-device {
        transform: scale(0.6);
    }
}

@media (max-width: 1200px) {
    body.tablet-mode .mobile-device {
        transform: scale(0.65);
    }

    body.desktop-mode .mobile-device {
        transform: scale(0.55);
    }
}

@media (max-width: 1000px) {
    body.tablet-mode .mobile-device {
        transform: scale(0.6);
    }

    body.desktop-mode .mobile-device {
        transform: scale(0.5);
    }
}

@media (max-width: 800px) {
    body.tablet-mode .mobile-device {
        transform: scale(0.55);
    }

    body.desktop-mode .mobile-device {
        transform: scale(0.45);
    }
}