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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #f8fafc;
    overflow-x: hidden;
}

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

.bg-element {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(29, 78, 216, 0.1));
    animation: float 8s ease-in-out infinite;
}

.bg-element-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: -50px;
    animation-delay: 0s;
}

.bg-element-2 {
    width: 300px;
    height: 300px;
    top: 50%;
    right: -100px;
    animation-delay: 2s;
}

.bg-element-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
        opacity: 0.7;
    }
    50% { 
        transform: translateY(-30px) rotate(180deg); 
        opacity: 1;
    }
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-brand:hover {
    color: #667eea;
}

.nav-brand i {
    color: #667eea;
    margin-right: 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 8px 16px;
    border-radius: 8px;
}

.nav-link:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

/* Main Content */
.main-content {
    padding-top: 100px;
    min-height: 100vh;
}

.signup-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

/* Form Section */
.signup-form-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid #e1e5e9;
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}

.form-header p {
    color: #6b7280;
    font-size: 1.1rem;
}

/* Alerts */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    position: relative;
    animation: slideIn 0.3s ease;
}

.alert-error {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1d4ed8;
}

.alert-success {
    background: #dbeafe;
    border: 1px solid #bfdbfe;
    color: #1d4ed8;
}

.alert i {
    font-size: 1.2rem;
    margin-top: 2px;
}

.alert-content h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.alert-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    padding: 4px;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.alert-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

@keyframes slideIn {
    from { 
        transform: translateY(-20px); 
        opacity: 0; 
    }
    to { 
        transform: translateY(0); 
        opacity: 1; 
    }
}

/* Form Sections */
.form-section {
    margin-bottom: 2.5rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #f1f5f9;
}

.section-title i {
    color: #667eea;
}

/* Form Layout */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-label {
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.required {
    color: #1d4ed8;
}

/* Input Styling */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafbfc;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input:valid {
    border-color: #1d4ed8;
}

.form-input.error {
    border-color: #1d4ed8;
    background: #eff6ff;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: #9ca3af;
    z-index: 2;
    transition: color 0.3s ease;
}

.form-input:focus + .input-icon,
.input-wrapper:hover .input-icon {
    color: #667eea;
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.3s ease;
    z-index: 2;
}

.password-toggle:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

/* Password Strength */
.password-strength {
    margin-top: 0.5rem;
    height: 4px;
    background: #e1e5e9;
    border-radius: 2px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.password-strength.weak {
    background: linear-gradient(90deg, #93c5fd 33%, #e1e5e9 33%);
}

.password-strength.medium {
    background: linear-gradient(90deg, #60a5fa 66%, #e1e5e9 66%);
}

.password-strength.strong {
    background: #1d4ed8;
}

/* Form Errors */
.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    min-height: 1.25rem;
}

.form-error:not(:empty):before {
    content: "⚠";
}

/* Checkbox Styling */
.checkbox-group {
    margin: 1.5rem 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #e1e5e9;
    border-radius: 6px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-input:checked + .checkbox-custom {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

.checkbox-input:checked + .checkbox-custom:after {
    content: "✓";
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.checkbox-text {
    color: #374151;
}

.checkbox-text a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.checkbox-text a:hover {
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

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

.btn-spinner {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

/* Form Actions */
.form-actions {
    margin: 2rem 0;
}

.form-actions .btn {
    width: 100%;
}

/* Form Footer */
.form-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e1e5e9;
}

.form-footer p {
    color: #6b7280;
}

.login-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

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

/* Info Section */
.signup-info-section {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 20px;
    color: white;
    position: relative;
    overflow: hidden;
}

.signup-info-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="70" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="80" r="2.5" fill="rgba(255,255,255,0.1)"/></svg>');
}

.info-content {
    padding: 3rem;
    position: relative;
    z-index: 2;
}

.info-header {
    text-align: center;
    margin-bottom: 3rem;
}

.info-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.info-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* Benefits List */
.benefits-list {
    margin-bottom: 3rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 1.5rem;
    color: white;
}

.benefit-text h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
}

.benefit-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* Info Stats */
.info-stats {
    display: flex;
    justify-content: space-around;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.5rem;
}

.stat p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .signup-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .signup-info-section {
        order: -1;
    }
    
    .info-content {
        padding: 2rem;
    }
    
    .benefits-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    /* Hide the info section on small screens */
    .signup-info-section {
        display: none;
    }
    
    /* Make the form section take full width on small screens */
    .signup-wrapper {
        grid-template-columns: 1fr;
        gap: 0;
        max-width: 600px;
    }
    
    .signup-form-section {
        padding: 2rem 1.5rem;
    }
    
    .form-header h1 {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-link span {
        display: none;
    }
    
    .benefits-list {
        grid-template-columns: 1fr;
    }
    
    .info-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding-top: 80px;
    }
    
    .signup-form-section {
        padding: 1.5rem 1rem;
        margin: 0 10px;
    }
    
    .info-content {
        padding: 1.5rem;
    }
    
    .form-header h1 {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.1rem;
    }
}

/* Loading States */
.loading {
    pointer-events: none;
    opacity: 0.7;
}

.loading .btn-text {
    opacity: 0;
}

.loading .btn-spinner {
    display: block !important;
}

/* Success Animation */
@keyframes checkmark {
    0% {
        height: 0;
        width: 0;
        opacity: 1;
    }
    20% {
        height: 0;
        width: 7px;
        opacity: 1;
    }
    40% {
        height: 14px;
        width: 7px;
        opacity: 1;
    }
    100% {
        height: 14px;
        width: 7px;
        opacity: 1;
    }
}

.success-checkmark {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #1d4ed8;
    stroke-miterlimit: 10;
    margin: 10px auto;
    box-shadow: inset 0px 0px 0px #1d4ed8;
    animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
}

.success-checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #1d4ed8;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.success-checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes scale {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}

@keyframes fill {
    100% {
        box-shadow: inset 0px 0px 0px 30px #1d4ed8;
    }
}

/* Mobile App Download Link */
.mobile-app-link {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid #e2e8f0;
    text-align: center;
}

.mobile-app-link p {
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 12px;
}

.play-store-badge {
    display: inline-block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.play-store-badge:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.play-store-badge img {
    display: block;
    height: 50px;
    width: auto;
}

@media (max-width: 480px) {
    .mobile-app-link {
        margin-top: 20px;
        padding-top: 20px;
    }
    
    .play-store-badge img {
        height: 45px;
    }
}