/*
 * Dog Breed Identifier - Custom CSS
 * Created by: Janith Deshan
 * Last Updated: 2025-10-20 18:24:56 UTC
 * User: IT24102137
 */

:root {
    /* Main color palette */
    --primary: #4a6fa5;
    --primary-dark: #345481;
    --primary-light: #6a8fc5;
    --secondary: #ff8b5e;
    --secondary-dark: #e67a4d;
    --secondary-light: #ff9f7a;
    --accent: #54d1bd;
    --text: #2e3a59;
    --text-light: #7988a3;
    --light: #f9fafc;
    --dark: #273149;
    --white: #ffffff;
    --background: #f5f7fa;
    --gray-100: #f6f8fb;
    --gray-200: #e9ecf3;
    --gray-300: #d2d9e5;
    --shadow: rgba(46, 58, 89, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
    color: var(--primary);
}

a:hover {
    color: var(--secondary);
}

.btn {
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(74, 111, 165, 0.25);
}

.btn i {
    margin-right: 8px;
}

img {
    max-width: 100%;
}

.rounded-4 {
    border-radius: 16px;
}

/* Background animations */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    background-color: var(--primary-light);
    border-radius: 50%;
    opacity: 0.3;
    animation: float linear infinite;
}

.paw-prints {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.paw {
    position: absolute;
    width: 20px;
    height: 20px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="%234a6fa5" opacity="0.1" d="M256 224c-79.41 0-192 122.76-192 200.25 0 34.9 26.81 55.75 71.74 55.75 48.84 0 81.09-25.08 120.26-25.08 39.51 0 71.85 25.08 120.26 25.08 44.93 0 71.74-20.85 71.74-55.75C448 346.76 335.41 224 256 224zm-147.28-12.61c-10.4-34.65-42.44-57.09-71.56-50.13-29.12 6.96-44.29 40.69-33.89 75.34 10.4 34.65 42.44 57.09 71.56 50.13 29.12-6.96 44.29-40.69 33.89-75.34zm294.56 0c-10.4 34.65 4.77 68.38 33.89 75.34 29.12 6.96 61.15-15.48 71.56-50.13 10.4-34.65-4.77-68.38-33.89-75.34-29.12-6.96-61.15 15.48-71.56 50.13z"/></svg>');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.1;
}

@keyframes float {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.2;
    }
    100% {
        transform: translateY(-100vh) translateX(20px) rotate(180deg);
        opacity: 0;
    }
}

/* App Wrapper */
.app-wrapper {
    position: relative;
    z-index: 1;
}

/* Navbar */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--primary);
}

.navbar-brand i {
    font-size: 1.8rem;
    margin-right: 10px;
    color: var(--secondary);
}

.navbar-toggler {
    border: none;
    color: var(--primary);
    font-size: 1.5rem;
    padding: 5px;
}

.navbar-nav .nav-link {
    font-weight: 600;
    color: var(--text);
    padding: 10px 15px;
    position: relative;
}

.navbar-nav .nav-link:after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background: var(--secondary);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s ease;
    border-radius: 10px;
}

.navbar-nav .nav-link.active:after,
.navbar-nav .nav-link:hover:after {
    width: 60%;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
    color: var(--primary);
}

/* Hero Section */
.hero-section {
    padding: 140px 0 80px;
    position: relative;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
    position: relative;
    display: inline-block;
}

.hero-content h1:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 5px;
    background: var(--secondary);
    bottom: -15px;
    left: 0;
    border-radius: 10px;
}

.hero-content .lead {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-image {
    position: relative;
    padding: 10px;
}

.hero-image img {
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
}

.hero-image:hover img {
    transform: translateY(-10px);
    box-shadow: 0 35px 60px rgba(0, 0, 0, 0.15);
}

.floating-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    animation: float-icon 3s ease-in-out infinite;
}

.floating-icon i {
    font-size: 1.3rem;
}

.icon-1 {
    top: -20px;
    left: 10%;
    background: var(--primary);
    color: var(--white);
    animation-delay: 0s;
}

.icon-2 {
    top: 20%;
    right: -15px;
    background: var(--secondary);
    color: var(--white);
    animation-delay: 1s;
}

.icon-3 {
    bottom: 10px;
    left: 20%;
    background: var(--accent);
    color: var(--white);
    animation-delay: 2s;
}

@keyframes float-icon {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.scan-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(255,255,255,0) 0%,
        rgba(74,111,165,0.15) 50%,
        rgba(255,255,255,0) 100%);
    pointer-events: none;
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100%);
    }
}

/* Identifier Section */
.identifier-section {
    padding: 80px 0;
    position: relative;
}

.identifier-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 15px 40px var(--shadow);
    overflow: hidden;
    transition: all 0.3s ease;
}

.identifier-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.card-header {
    padding: 25px 30px;
    background: var(--primary);
    color: var(--white);
    text-align: center;
}

.card-header h2 {
    color: var(--white);
    font-weight: 700;
    margin-bottom: 5px;
    font-size: 1.8rem;
}

.card-header p {
    opacity: 0.9;
    margin: 0;
}

.card-body {
    padding: 30px;
}

/* Upload Container */
.upload-container {
    margin-bottom: 25px;
}

.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    background: var(--gray-100);
    position: relative;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary);
    background: var(--gray-200);
}

.upload-area.drag-over {
    border-color: var(--secondary);
    background: rgba(255, 139, 94, 0.05);
}

.upload-area.file-selected {
    border-color: var(--accent);
    background: rgba(84, 209, 189, 0.05);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.upload-text {
    margin-bottom: 10px;
}

.upload-text span {
    display: block;
    margin-bottom: 10px;
    color: var(--text-light);
}

.browse-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    padding: 0;
}

.browse-btn:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.upload-info {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 10px 0 0;
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.selected-file {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--text);
    text-align: center;
    min-height: 24px;
    font-weight: 500;
}

/* Image Preview Styles */
.preview-container {
    display: none;
    position: relative;
    width: 100%;
    max-width: 300px;
    margin: 15px auto 0;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    overflow: hidden;
    background: var(--gray-100);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    min-height: 150px;
}

#image-preview {
    width: 100%;
    height: auto;
    display: none;
}

#preview-text {
    display: block;
    padding: 20px;
    color: var(--text-light);
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}

/* Upload Error Message */
.upload-error {
    margin-top: 15px;
    text-align: left;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.upload-error i {
    margin-right: 8px;
    font-size: 1rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.loading-spinner {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 8px solid var(--gray-200);
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading-message {
    font-weight: 600;
    color: var(--primary-dark);
    margin-top: 15px;
    text-align: center;
}

.loading-dog {
    width: 60px;
    height: 60px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="%234a6fa5" d="M256 224c-79.41 0-192 122.76-192 200.25 0 34.9 26.81 55.75 71.74 55.75 48.84 0 81.09-25.08 120.26-25.08 39.51 0 71.85 25.08 120.26 25.08 44.93 0 71.74-20.85 71.74-55.75C448 346.76 335.41 224 256 224zm-147.28-12.61c-10.4-34.65-42.44-57.09-71.56-50.13-29.12 6.96-44.29 40.69-33.89 75.34 10.4 34.65 42.44 57.09 71.56 50.13 29.12-6.96 44.29-40.69 33.89-75.34zm294.56 0c-10.4 34.65 4.77 68.38 33.89 75.34 29.12 6.96 61.15-15.48 71.56-50.13 10.4-34.65-4.77-68.38-33.89-75.34-29.12-6.96-61.15 15.48-71.56 50.13z"/></svg>');
    background-repeat: no-repeat;
    background-position: center;
    margin: 0 auto;
    animation: bounce 1.5s ease infinite alternate;
}

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

@keyframes bounce {
    0% { transform: translateY(0); }
    100% { transform: translateY(-15px); }
}

/* Results Section */
.result-section {
    margin-top: 40px;
    border-top: 1px solid var(--gray-200);
    padding-top: 30px;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

.result-header h3 {
    margin: 0;
    color: var(--primary-dark);
    font-size: 1.5rem;
}

.analysis-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(84, 209, 189, 0.15);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.analysis-badge i {
    margin-right: 6px;
}

.result-content {
    background: var(--gray-100);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.result-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(74,111,165,0.1) 0%,
        rgba(255,255,255,0) 100%);
    pointer-events: none;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(74,111,165,0.7);
    box-shadow: 0 0 10px rgba(74,111,165,0.5);
    animation: scan-result 2s linear infinite;
}

@keyframes scan-result {
    0% {
        top: 0;
    }
    100% {
        top: 100%;
    }
}

.result-details {
    padding: 10px;
}

.result-item {
    margin-bottom: 20px;
}

.item-label {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.item-label i {
    margin-right: 8px;
    color: var(--primary);
}

.item-value {
    font-weight: 700;
    color: var(--dark);
    font-size: 1.1rem;
}

.prediction-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary-light);
    color: var(--white);
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 3px 6px rgba(74, 111, 165, 0.2);
}

.progress {
    height: 6px;
    background-color: var(--gray-200);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(to right, var(--primary), var(--accent));
    border-radius: 10px;
    animation: progress 1s ease-out forwards;
}

.progress-bar.high-confidence {
    background: linear-gradient(to right, var(--primary), var(--accent));
}

.progress-bar.medium-confidence {
    background: linear-gradient(to right, var(--primary-light), var(--accent));
}

.progress-bar.low-confidence {
    background: linear-gradient(to right, var(--secondary), var(--secondary-light));
}

@keyframes progress {
    0% {
        width: 0;
    }
}

.other-predictions li {
    margin-bottom: 5px;
    padding-bottom: 5px;
    border-bottom: 1px dashed var(--gray-200);
    font-weight: 500;
    font-size: 0.95rem;
}

.other-predictions li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* "Not a Dog" Icon Styles */
.not-dog-icon {
    font-size: 3rem;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
    margin-bottom: 15px;
}

.not-dog-icon i.fa-paw {
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.not-dog-icon i.fa-ban {
    color: var(--secondary);
    position: absolute;
    font-size: 3.5rem;
    opacity: 0.8;
}

.prediction-text {
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 10px;
}

/* Share Results Section */
.share-results {
    margin-top: 20px;
    text-align: center;
    padding-top: 15px;
    border-top: 1px solid var(--gray-200);
}

.share-text {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.share-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.btn-facebook {
    background-color: #3b5998;
    border-color: #3b5998;
    color: white;
}

.btn-twitter {
    background-color: #1da1f2;
    border-color: #1da1f2;
    color: white;
}

.btn-pinterest {
    background-color: #bd081c;
    border-color: #bd081c;
    color: white;
}

.btn-email {
    background-color: #737373;
    border-color: #737373;
    color: white;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    color: white;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background-color: var(--gray-100);
    position: relative;
}

.about-section h2 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.section-lead {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow);
    height: 100%;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.feature-card:hover .feature-icon {
    background: var(--secondary);
    color: var(--white);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    background: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    box-shadow: 0 5px 15px var(--shadow);
}

.tech-badge span {
    margin: 0 10px;
    font-weight: 600;
    color: var(--text-light);
}

.tech-badge i {
    font-size: 1.5rem;
    color: var(--primary-dark);
}

/* Footer */
.footer-section {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 30px;
    position: relative;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.4rem;
    position: relative;
    padding-bottom: 15px;
}

.footer-section h4:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary);
    border-radius: 3px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--secondary);
    margin-right: 10px;
}

.footer-logo span {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--white);
}

.footer-about p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.tech-stack {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.tech-stack span {
    opacity: 0.7;
    font-size: 0.9rem;
}

.tech-stack i {
    font-size: 1.3rem;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.tech-stack i:hover {
    color: var(--secondary);
    transform: translateY(-3px);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.footer-links a i {
    margin-right: 8px;
    font-size: 0.8rem;
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.developer-info {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 25px;
}

.dev-profile {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.dev-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.dev-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dev-details {
    flex: 1;
}

.dev-details h5 {
    color: var(--white);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.dev-details p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.7;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 50px;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 991px) {
    .hero-content {
        margin-top: 30px;
        text-align: center;
    }
    
    .hero-content h1:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .hero-section {
        padding: 120px 0 60px;
    }
    
    .about-section h2,
    .section-lead {
        text-align: center;
    }
    
    .feature-card {
        margin-bottom: 30px;
    }
    
    .footer-about,
    .footer-links,
    .developer-info {
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .card-header h2 {
        font-size: 1.5rem;
    }
    
    .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .result-image {
        margin-bottom: 20px;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section h4:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .dev-profile {
        flex-direction: column;
        text-align: center;
    }
    
    .dev-avatar {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-links a {
        justify-content: center;
    }
    
    .footer-bottom {
        text-align: center;
    }
    
    .share-buttons {
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content .lead {
        font-size: 1rem;
    }
    
    .floating-icon {
        width: 40px;
        height: 40px;
    }
    
    .floating-icon i {
        font-size: 1rem;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .upload-icon {
        font-size: 2.5rem;
    }
    
    .footer-section {
        padding: 60px 0 30px;
    }
    
    .preview-container {
        max-width: 100%;
    }
    
    .loading-message {
        padding: 0 20px;
    }
}