/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: none;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: none;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h1 {
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInDown 0.8s ease-out;
}

.logo i {
    color: #ffd700;
    animation: rotate 3s linear infinite;
}

/* Navigation Styles */
.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 1001;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    background: none;
    border: none;
    box-shadow: none;
    transition: color 0.3s;
    position: relative;
    overflow: visible;
    backdrop-filter: none;
    white-space: nowrap;
    display: inline-block;
}

.nav-link:hover, .nav-link.active {
    color: #ffd700;
    background: none;
    border: none;
    box-shadow: none;
    text-decoration: none;
    border-radius: 0;
    transition: color 0.2s;
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn {
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    z-index: 1002;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Main Content */
main {
    margin-top: 80px;
    padding-top: 2rem;
    flex: 1;
}

.section {
    padding: 4rem 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.tool-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.tool-card:hover::before {
    left: 100%;
}

.tool-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #667eea;
    animation: bounce 2s infinite;
}

.tool-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.tool-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* About Section */
.about-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #333;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    text-align: center;
    padding: 1.5rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.feature h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.service-card i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-group input:hover,
.form-group select:hover {
    border-color: #667eea;
    transform: translateY(-1px);
}

/* Input validation styles */
.form-group input:valid {
    border-color: #4CAF50;
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: #f44336;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: #999;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

.modal h2 {
    margin-bottom: 2rem;
    color: #333;
    text-align: center;
}

/* Tool Interface Styles */
.tool-interface {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.upload-area {
    border: 2px dashed #667eea;
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: #764ba2;
    background: rgba(102, 126, 234, 0.05);
}

.upload-area input[type="file"] {
    display: none;
}

.upload-area i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.upload-area p {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.upload-area small {
    color: #999;
    font-size: 0.9rem;
}

.conversion-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.conversion-options label {
    font-weight: 600;
    color: #333;
}

.conversion-options select {
    padding: 0.75rem;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    background: white;
    transition: border-color 0.3s ease;
}

.conversion-options select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.file-info {
    background: rgba(102, 126, 234, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.file-info h4 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.file-info p {
    color: #666;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.button-center {
    display: flex;
    justify-content: center;
    margin: 1rem 0;
}

.conversion-result {
    background: rgba(76, 175, 80, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(76, 175, 80, 0.2);
    text-align: center;
}

.conversion-result.success {
    background: rgba(76, 175, 80, 0.1);
    border-color: rgba(76, 175, 80, 0.2);
}

.conversion-result.error {
    background: rgba(244, 67, 54, 0.1);
    border-color: rgba(244, 67, 54, 0.2);
}

/* Calculator Styles */
.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.input-group {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-group label i {
    color: #667eea;
    font-size: 1.1rem;
}

.input-group input,
.input-group select {
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.input-group input:hover,
.input-group select:hover {
    border-color: #667eea;
    transform: translateY(-1px);
}

/* Input validation styles */
.input-group input:valid {
    border-color: #4CAF50;
}

.input-group input:invalid:not(:placeholder-shown) {
    border-color: #f44336;
}

.calculator-result {
    background: rgba(102, 126, 234, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-top: 1rem;
    display: none;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.result-item:hover {
    transform: translateY(-2px);
}

.result-item i {
    font-size: 1.5rem;
    color: #667eea;
}

.result-item div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.result-value {
    font-size: 1.3rem;
    color: #4CAF50;
    font-weight: 700;
}

.update-time {
    margin-top: 1rem;
    color: #666;
    font-size: 0.9rem;
    text-align: center;
}

.update-time i {
    margin-right: 0.3rem;
    color: #667eea;
}

/* Focus effects for input groups */
.input-group.focused input {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Button disabled state */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Password Generator Styles */
.password-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.password-result {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.password-result input {
    flex: 1;
    font-family: monospace;
    font-size: 1.1rem;
}

/* Copy button specific styling */
#copy-password {
    min-width: 50px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 8px;
    transition: all 0.3s ease;
}

#copy-password i {
    font-size: 1.2rem;
    display: inline-block;
}

#copy-password:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 3rem 0 0;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ffd700;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffd700;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #ffd700;
}

/* Ad Container */
.ad-container {
    text-align: center;
    margin: 2rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
    margin: 0;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        z-index: 999;
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
        width: 100%;
    }

    .nav-link {
        width: 80%;
        max-width: 300px;
        margin: 0 auto;
        display: block;
        text-align: center;
    }

    .auth-buttons {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .password-result {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .password-result input {
        font-size: 1rem;
    }
    
    #copy-password {
        min-width: 45px;
        height: 40px;
    }
    
    #copy-password i {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header .container {
        padding: 1rem 15px;
    }

    .nav {
        gap: 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .tool-card {
        padding: 1.5rem;
    }

    .about-content,
    .contact-content {
        padding: 2rem;
    }

    .nav-link {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* Enhanced Authentication Modals */
.auth-modal {
    max-width: 450px;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #ffd700;
}

.auth-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.auth-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.auth-form .form-group {
    margin-bottom: 1.5rem;
}

.input-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon-wrapper i {
    position: absolute;
    left: 15px;
    color: #667eea;
    font-size: 1.2rem;
    z-index: 2;
}

.input-icon-wrapper input {
    width: 100%;
    padding: 15px 15px 15px 50px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.input-icon-wrapper input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.input-icon-wrapper input:focus {
    outline: none;
    border-color: #ffd700;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
}

.input-error {
    color: #ff6b6b;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: none;
    animation: errorSlideIn 0.3s ease-out;
}

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

.input-icon-wrapper.focused input {
    border-color: #ffd700;
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.password-toggle {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: #ffd700;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark {
    background: #ffd700;
    border-color: #ffd700;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #333;
    font-size: 12px;
    font-weight: bold;
}

.forgot-password {
    color: #ffd700;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #ffed4e;
    text-decoration: underline;
}

.terms-link {
    color: #ffd700;
    text-decoration: none;
}

.terms-link:hover {
    text-decoration: underline;
}

.auth-divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.auth-divider span {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 12px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-social:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-google:hover {
    border-color: #4285f4;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.2);
}

.btn-facebook:hover {
    border-color: #1877f2;
    box-shadow: 0 0 0 3px rgba(24, 119, 242, 0.2);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.auth-link {
    color: #ffd700;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-link:hover {
    color: #ffed4e;
    text-decoration: underline;
}

/* Animation for auth modals */
.auth-modal {
    animation: authModalSlideIn 0.4s ease-out;
}

@keyframes authModalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsive design for auth modals */
@media (max-width: 480px) {
    .auth-modal {
        margin: 10% auto;
        padding: 1.5rem;
        max-width: 95%;
    }
    
    .auth-header h2 {
        font-size: 1.5rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .social-login {
        gap: 0.8rem;
    }
}