/* ===== REGISTER PAGE STYLES ===== */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow-light: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 16px 48px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 24px 64px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
}

/* ===== PAGE LAYOUT ===== */

.register-page {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
}

.register-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.register-page .container-fluid {
    position: relative;
    z-index: 2;
    min-height: 100vh;
}

/* ===== FLOATING SHAPES ANIMATION ===== */

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.floating-shapes .shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 120px;
    height: 120px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 80px;
    height: 80px;
    top: 70%;
    left: 80%;
    animation-delay: 5s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 30%;
    left: 85%;
    animation-delay: 10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 80%;
    left: 5%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-40px) rotate(180deg);
        opacity: 0.7;
    }
    75% {
        transform: translateY(-20px) rotate(270deg);
        opacity: 0.4;
    }
}

/* ===== LEFT SIDE - BRANDING SECTION ===== */

.branding-section {
    background: transparent;
    padding: 3rem 2rem;
    position: relative;
    z-index: 3;
}

.branding-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.brand-logo {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.brand-logo i {
    font-size: 2rem;
    margin-right: 1rem;
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.brand-title .highlight {
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* ===== BENEFITS LIST ===== */

.benefits-list {
    margin-bottom: 3rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.benefit-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-medium);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-light);
}

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

.benefit-content h4 {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.benefit-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
}

/* ===== COMMUNITY STATS ===== */

.community-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== RIGHT SIDE - REGISTER SECTION ===== */

.register-section {
    background: transparent;
    padding: 2rem 1rem;
    position: relative;
    z-index: 3;
    min-height: 100vh;
    justify-content: flex-end !important;
}

.register-container {
    width: 100%;
    max-width: 480px;
    padding: 1rem 1rem 1rem 3rem;
}

.register-glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-heavy);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.register-glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

/* ===== REGISTER HEADER ===== */

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

.register-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-medium);
}

.register-icon i {
    font-size: 2rem;
    color: white;
}

.register-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.register-header p {
    color: #64748b;
    font-size: 1rem;
    margin: 0;
}

/* ===== SOCIAL REGISTRATION ===== */

.social-register-section {
    margin-bottom: 1.5rem;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    color: #475569;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.95rem;
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
    border-color: currentColor;
}

.social-btn i {
    font-size: 1.2rem;
}

.google-btn:hover {
    border-color: #ea4335;
    color: #ea4335;
}

.github-btn:hover {
    border-color: #333;
    color: #333;
}

.microsoft-btn:hover {
    border-color: #0078d4;
    color: #0078d4;
}

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

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e2e8f0;
    z-index: 1;
}

.divider span {
    background: white;
    color: #64748b;
    padding: 0 1rem;
    font-size: 0.875rem;
    position: relative;
    z-index: 2;
}

/* ===== FORM STYLING ===== */

.register-form {
    margin-bottom: 1.5rem;
}

.floating-input {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-input:focus + .floating-label,
.form-input:not(:placeholder-shown) + .floating-label {
    transform: translateY(-2.5rem) scale(0.85);
    color: #667eea;
    background: white;
    padding: 0 0.5rem;
}

.floating-label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: #94a3b8;
    font-size: 1rem;
    transition: var(--transition);
    pointer-events: none;
    display: flex;
    align-items: center;
    transform-origin: left;
}

.textarea-label {
    top: 1rem;
}

.form-input.bio-input {
    min-height: 100px;
    resize: vertical;
    padding-top: 1rem;
    line-height: 1.5;
}

.bio-input:focus + .textarea-label,
.bio-input:not(:placeholder-shown) + .textarea-label {
    transform: translateY(-2.5rem) scale(0.85);
    color: #667eea;
    background: white;
    padding: 0 0.5rem;
}

.input-help {
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 0.25rem;
    margin-left: 1rem;
}

.validation-error {
    display: block;
    color: #ef4444;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    margin-left: 1rem;
}

/* ===== PASSWORD FIELDS ===== */

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
    z-index: 10;
}

.password-toggle:hover {
    color: #667eea;
}

.password-strength {
    margin-top: 0.5rem;
}

.strength-meter {
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.strength-bar {
    height: 100%;
    width: 0%;
    background: #ef4444;
    transition: var(--transition);
    border-radius: 2px;
}

.strength-text {
    font-size: 0.75rem;
    color: #64748b;
    margin-left: 1rem;
}

/* Password strength levels */
.strength-weak .strength-bar {
    width: 25%;
    background: #ef4444;
}

.strength-fair .strength-bar {
    width: 50%;
    background: #f59e0b;
}

.strength-good .strength-bar {
    width: 75%;
    background: #10b981;
}

.strength-strong .strength-bar {
    width: 100%;
    background: #059669;
}

/* ===== CUSTOM CHECKBOXES ===== */

.terms-section,
.newsletter-section {
    margin-bottom: 1rem;
}

.custom-checkbox {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.5;
}

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

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e2e8f0;
    border-radius: 4px;
    margin-right: 0.75rem;
    margin-top: 0.125rem;
    background: white;
    transition: var(--transition);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-checkbox input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-gradient);
    border-color: #667eea;
}

.custom-checkbox input[type="checkbox"]:checked + .checkmark::after {
    content: '\f26a';
    font-family: 'Bootstrap Icons';
    color: white;
    font-size: 0.7rem;
}

.checkbox-text {
    flex: 1;
}

.terms-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.terms-link:hover {
    color: #5a67d8;
    text-decoration: underline;
}

/* ===== REGISTER BUTTON ===== */

.register-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-light);
    margin-bottom: 1.5rem;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-icon {
    font-size: 1.2rem;
    transition: var(--transition);
}

.register-btn:hover .btn-icon {
    transform: translateX(3px);
}

/* ===== REGISTER FOOTER ===== */

.register-footer {
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
}

.signin-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.signin-link:hover {
    color: #5a67d8;
    text-decoration: underline;
}

/* ===== ALERT STYLING ===== */

.modern-alert {
    border: none;
    border-radius: 12px;
    background: #fef2f2;
    border-left: 4px solid #ef4444;
    color: #991b1b;
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.modern-alert i {
    margin-top: 0.125rem;
    flex-shrink: 0;
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 992px) {
    .register-page .row {
        flex-direction: column-reverse;
    }
    
    .branding-section {
        padding: 2rem 1rem;
        text-align: center;
    }
    
    .register-section {
        justify-content: center !important;
        padding: 2rem 1rem;
    }
    
    .register-container {
        padding: 1rem;
        max-width: 500px;
    }
    
    .brand-title {
        font-size: 2.5rem;
    }
    
    .benefits-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1rem;
        margin: 2rem 0;
    }
    
    .community-stats {
        justify-content: center;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .brand-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .brand-subtitle {
        font-size: 1.1rem;
    }
    
    .register-glass-card {
        padding: 1.5rem;
    }
    
    .register-icon {
        width: 60px;
        height: 60px;
    }
    
    .register-icon i {
        font-size: 1.5rem;
    }
    
    .register-header h3 {
        font-size: 1.5rem;
    }
    
    .benefit-item {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .benefit-icon {
        width: 50px;
        height: 50px;
    }
    
    .benefit-icon i {
        font-size: 1.25rem;
    }
    
    .social-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .register-container {
        padding: 0.5rem;
    }
    
    .register-glass-card {
        padding: 1rem;
        border-radius: 12px;
    }
    
    .form-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.875rem 0.875rem 0.875rem 2.5rem;
    }
    
    .floating-label {
        left: 0.875rem;
        top: 0.875rem;
        font-size: 0.9rem;
    }
    
    .row.g-3 .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .benefits-list {
        grid-template-columns: 1fr;
    }
    
    .community-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* ===== ACCESSIBILITY ===== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-shapes .shape {
        animation: none;
    }
}

/* ===== HIGH CONTRAST MODE ===== */

@media (prefers-contrast: high) {
    .register-glass-card {
        background: white;
        border: 2px solid #000;
    }
    
    .form-input:focus {
        border-color: #000;
        box-shadow: 0 0 0 2px #000;
    }
    
    .register-btn {
        background: #000;
        border: 2px solid #000;
    }
    
    .social-btn:hover {
        background: #000;
        color: white;
    }
}

/* ===== FOCUS INDICATORS ===== */

.form-input:focus,
.register-btn:focus,
.social-btn:focus,
.custom-checkbox:focus-within {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.form-input:focus:not(:focus-visible),
.register-btn:focus:not(:focus-visible),
.social-btn:focus:not(:focus-visible) {
    outline: none;
} 

/* ===== REGISTRATION TABS ===== */

.registration-tabs {
    margin-bottom: 1.5rem;
}

.tab-navigation {
    display: flex;
    background: #f8fafc;
    border-radius: 12px;
    padding: 0.5rem;
    margin-bottom: 2rem;
    gap: 0.5rem;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #64748b;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tab-btn:hover {
    color: #475569;
    background: rgba(255, 255, 255, 0.5);
}

.tab-btn.active {
    background: white;
    color: #667eea;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.tab-btn i {
    font-size: 1.1rem;
}

.tab-content {
    display: none;
    animation: fadeInUp 0.3s ease-out;
}

.tab-content.active {
    display: block;
}

.tab-description {
    text-align: center;
    margin-bottom: 1.5rem;
}

.tab-description p {
    color: #64748b;
    font-size: 0.95rem;
    margin: 0;
}

/* ===== SOCIAL LOGIN TAB ===== */

.social-register-section {
    padding: 1rem 0;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin-bottom: 2rem;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    color: #475569;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.social-btn::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: var(--transition);
}

.social-btn:hover::before {
    left: 100%;
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: currentColor;
}

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

.social-btn i {
    font-size: 1.3rem;
    z-index: 2;
    position: relative;
}

.social-btn span {
    z-index: 2;
    position: relative;
}

.google-btn:hover {
    border-color: #ea4335;
    color: #ea4335;
    background: linear-gradient(135deg, #ea433520, #ea433510);
}

.github-btn:hover {
    border-color: #333;
    color: #333;
    background: linear-gradient(135deg, #33333320, #33333310);
}

.microsoft-btn:hover {
    border-color: #0078d4;
    color: #0078d4;
    background: linear-gradient(135deg, #0078d420, #0078d410);
}

/* ===== SOCIAL BENEFITS ===== */

.social-benefits {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #bae6fd;
}

.benefit-point {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: #475569;
}

.benefit-point:last-child {
    margin-bottom: 0;
}

.benefit-point i {
    flex-shrink: 0;
    font-size: 1rem;
}

.benefit-point span {
    line-height: 1.4;
}

/* ===== MANUAL REGISTRATION TAB ===== */

.manual-register-section {
    padding: 0.5rem 0;
}

/* ===== UPDATED FORM STYLING FOR TABS ===== */

.register-form {
    margin-bottom: 0;
}

.floating-input {
    position: relative;
    margin-bottom: 1.25rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 0.875rem 0.875rem 2.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background: white;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-input:focus + .floating-label,
.form-input:not(:placeholder-shown) + .floating-label {
    transform: translateY(-2.25rem) scale(0.85);
    color: #667eea;
    background: white;
    padding: 0 0.5rem;
}

.floating-label {
    position: absolute;
    left: 0.875rem;
    top: 0.875rem;
    color: #94a3b8;
    font-size: 0.95rem;
    transition: var(--transition);
    pointer-events: none;
    display: flex;
    align-items: center;
    transform-origin: left;
}

.password-toggle {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    z-index: 10;
}

.password-toggle:hover {
    color: #667eea;
}

.input-help {
    font-size: 0.7rem;
    color: #64748b;
    margin-top: 0.25rem;
    margin-left: 0.875rem;
}

.validation-error {
    display: block;
    color: #ef4444;
    font-size: 0.7rem;
    margin-top: 0.25rem;
    margin-left: 0.875rem;
}

/* ===== PASSWORD STRENGTH (COMPACT) ===== */

.password-strength {
    margin-top: 0.375rem;
    margin-left: 0.875rem;
}

.strength-meter {
    height: 3px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.strength-bar {
    height: 100%;
    width: 0%;
    background: #ef4444;
    transition: var(--transition);
    border-radius: 2px;
}

.strength-text {
    font-size: 0.7rem;
    color: #64748b;
}

/* ===== CUSTOM CHECKBOXES (COMPACT) ===== */

.terms-section,
.newsletter-section {
    margin-bottom: 0.875rem;
}

.custom-checkbox {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.85rem;
    color: #475569;
    line-height: 1.4;
}

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

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #e2e8f0;
    border-radius: 3px;
    margin-right: 0.625rem;
    margin-top: 0.125rem;
    background: white;
    transition: var(--transition);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-checkbox input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-gradient);
    border-color: #667eea;
}

.custom-checkbox input[type="checkbox"]:checked + .checkmark::after {
    content: '\f26a';
    font-family: 'Bootstrap Icons';
    color: white;
    font-size: 0.65rem;
}

/* ===== REGISTER BUTTON (COMPACT) ===== */

.register-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-light);
    margin-bottom: 1rem;
    margin-top: 0.5rem;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-icon {
    font-size: 1.1rem;
    transition: var(--transition);
}

.register-btn:hover .btn-icon {
    transform: translateX(3px);
}

/* ===== TAB ANIMATIONS ===== */

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

.tab-content.active {
    animation: fadeInUp 0.3s ease-out;
}

/* ===== RESPONSIVE TABS ===== */

@media (max-width: 768px) {
    .tab-navigation {
        padding: 0.375rem;
        gap: 0.375rem;
    }
    
    .tab-btn {
        padding: 0.75rem 0.75rem;
        font-size: 0.875rem;
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .tab-btn span {
        font-size: 0.8rem;
    }
    
    .tab-btn i {
        font-size: 1rem;
    }
    
    .social-btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .social-btn i {
        font-size: 1.2rem;
    }
    
    .social-benefits {
        padding: 1.25rem;
    }
    
    .benefit-point {
        font-size: 0.85rem;
        margin-bottom: 0.625rem;
    }
}

@media (max-width: 576px) {
    .tab-btn {
        padding: 0.625rem 0.5rem;
    }
    
    .tab-btn span {
        display: none;
    }
    
    .tab-btn i {
        font-size: 1.25rem;
    }
    
    .tab-btn.active::after {
        display: none;
    }
    
    .social-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .form-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem 0.75rem 0.75rem 2.5rem;
    }
    
    .floating-label {
        left: 0.75rem;
        top: 0.75rem;
        font-size: 0.9rem;
    }
    
    .password-toggle {
        right: 0.75rem;
    }
    
    .row.g-3 .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}