/* ================================================
   Registration Page CSS
   Professional Registration Form Styling
   ================================================ */

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --light-color: #f8fafc;
    --dark-color: #1f2937;
    --border-color: #e5e7eb;
    --text-muted: #6b7280;
    --transition: all 0.3s ease;
}

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

body.register-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f3f4f6;
    min-height: 100vh;
}

/* ================================================
   Register Container
   ================================================ */

.register-container {
    display: flex;
    min-height: 100vh;
}

.register-info {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 60px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.register-info::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.register-info::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    bottom: -50px;
    left: -50px;
}

.info-content {
    position: relative;
    z-index: 1;
    max-width: 400px;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
}

.app-logo i {
    font-size: 40px;
}

.app-logo h1 {
    font-size: 32px;
    font-weight: 700;
    margin: 0;
}

.info-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
}

.info-content p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.6;
}

.benefits {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.benefit-item i {
    font-size: 24px;
    min-width: 24px;
}

.benefit-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 5px 0;
}

.benefit-item p {
    font-size: 12px;
    margin: 0;
    opacity: 0.8;
}

/* ================================================
   Register Form Wrapper
   ================================================ */

.register-form-wrapper {
    flex: 1;
    background: white;
    display: flex;
    flex-direction: column;
    padding: 40px;
    overflow-y: auto;
    position: relative;
}

.form-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 450px;
    margin: 0 auto;
    width: 100%;
}

/* ================================================
   Form Header
   ================================================ */

.form-header {
    margin-bottom: 40px;
    text-align: center;
}

.form-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.form-header p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* ================================================
   Registration Form
   ================================================ */

.registration-form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    font-weight: 600;
    font-size: 13px;
    color: var(--dark-color);
    margin-bottom: 8px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.required {
    color: var(--danger-color);
    font-weight: 700;
}

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    transition: var(--transition);
    background-color: #f9fafb;
}

.form-control:focus,
.form-select:focus {
    background-color: white;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* ================================================
   Input Group Styling
   ================================================ */

.input-group {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: #f9fafb;
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-group-text {
    background-color: transparent;
    border: none;
    color: var(--text-muted);
    padding: 10px 12px;
    font-size: 14px;
}

.input-group .form-control {
    border: none;
    background-color: transparent;
    padding: 10px 12px;
    flex: 1;
}

.input-group .form-control:focus {
    box-shadow: none;
}

.toggle-password,
.toggle-confirm-password {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 10px 12px;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-password:hover,
.toggle-confirm-password:hover {
    color: var(--primary-color);
}

/* ================================================
   Feedback Messages
   ================================================ */

.username-feedback,
.email-feedback,
.password-strength {
    position: absolute;
    right: 0;
    top: 0;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    display: none;
}

.username-feedback.valid {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    display: block;
}

.username-feedback.invalid {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    display: block;
}

.email-feedback.valid {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    display: block;
}

.email-feedback.invalid {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    display: block;
}

.password-strength.weak {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.password-strength.medium {
    display: block;
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.password-strength.strong {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.form-text {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ================================================
   Password Requirements
   ================================================ */

.password-requirements {
    display: none;
    margin-top: 12px;
    padding: 12px;
    background-color: #f9fafb;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.password-requirements.show {
    display: block;
}

.requirement {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.requirement:last-child {
    margin-bottom: 0;
}

.requirement i {
    font-size: 10px;
}

.requirement.met {
    color: var(--success-color);
}

.requirement.met i {
    color: var(--success-color);
}

/* ================================================
   Checkboxes
   ================================================ */

.form-check {
    margin-bottom: 15px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2px;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    outline: none;
}

.form-check-label {
    margin-left: 8px;
    font-size: 13px;
    color: var(--dark-color);
    cursor: pointer;
    user-select: none;
    font-weight: 500;
}

.form-check-label a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* ================================================
   Buttons
   ================================================ */

.btn-register {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}

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

.btn-register:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

.btn-register:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ================================================
   Login Link
   ================================================ */

.login-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-muted);
}

.login-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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

/* ================================================
   Divider
   ================================================ */

.divider {
    display: flex;
    align-items: center;
    margin: 30px 0;
    gap: 15px;
    color: var(--text-muted);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}

.divider span {
    font-size: 13px;
    font-weight: 500;
}

/* ================================================
   Social Registration
   ================================================ */

.social-registration {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-social {
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    border: 1px solid var(--border-color);
    background-color: white;
    color: var(--dark-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
}

.btn-social:hover {
    background-color: var(--light-color);
    border-color: var(--text-muted);
}

.btn-social i {
    font-size: 18px;
}

/* ================================================
   Register Footer
   ================================================ */

.register-footer {
    margin-top: 40px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 12px;
}

.register-footer p {
    margin-bottom: 10px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* ================================================
   Success Modal
   ================================================ */

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--success-color), #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    animation: scaleIn 0.5s ease-out;
}

.success-icon i {
    font-size: 40px;
    color: white;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.modal-content h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.modal-content p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* ================================================
   Responsive Design
   ================================================ */

@media (max-width: 1024px) {
    .register-container {
        flex-direction: column;
    }

    .register-info {
        min-height: 300px;
        padding: 40px 20px;
    }

    .info-content {
        max-width: none;
    }

    .app-logo h1 {
        font-size: 24px;
    }

    .info-content h2 {
        font-size: 24px;
    }

    .register-form-wrapper {
        padding: 30px 20px;
    }
}

@media (max-width: 768px) {
    .register-form-wrapper {
        padding: 20px;
    }

    .form-container {
        max-width: 100%;
    }

    .form-header h2 {
        font-size: 24px;
    }

    .benefits {
        gap: 15px;
    }

    .benefit-item {
        gap: 12px;
        padding: 12px;
    }

    .social-registration {
        flex-direction: row;
    }

    .btn-social {
        flex: 1;
    }
}

@media (max-width: 576px) {
    .register-container {
        min-height: auto;
    }

    .register-info {
        min-height: auto;
        padding: 30px 15px;
        text-align: center;
    }

    .info-content {
        max-width: 100%;
    }

    .app-logo {
        justify-content: center;
        margin-bottom: 20px;
    }

    .app-logo h1 {
        font-size: 20px;
    }

    .info-content h2 {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .info-content p {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .benefits {
        gap: 12px;
    }

    .benefit-item {
        gap: 10px;
        padding: 10px;
    }

    .benefit-item i {
        font-size: 18px;
    }

    .benefit-item h4 {
        font-size: 12px;
    }

    .benefit-item p {
        font-size: 11px;
    }

    .register-form-wrapper {
        padding: 15px;
    }

    .form-header {
        margin-bottom: 25px;
    }

    .form-header h2 {
        font-size: 20px;
    }

    .form-group {
        margin-bottom: 15px;
    }

    .divider {
        margin: 20px 0;
    }

    .social-registration {
        flex-direction: column;
    }

    .btn-social {
        width: 100%;
    }

    .password-requirements {
        padding: 10px;
    }

    .requirement {
        font-size: 11px;
    }

    .form-check-label {
        font-size: 12px;
    }
}

/* ================================================
   Dark Mode Support (Optional)
   ================================================ */

@media (prefers-color-scheme: dark) {
    body.register-page {
        background-color: #111827;
    }

    .register-form-wrapper {
        background: #1f2937;
    }

    .form-control,
    .form-select {
        background-color: #374151;
        border-color: #4b5563;
        color: white;
    }

    .form-control:focus,
    .form-select:focus {
        background-color: #1f2937;
    }

    .form-control::placeholder {
        color: #9ca3af;
    }

    .form-header h2 {
        color: white;
    }

    .form-label {
        color: #e5e7eb;
    }

    .form-text {
        color: #9ca3af;
    }

    .form-check-label {
        color: #e5e7eb;
    }

    .input-group {
        background-color: #374151;
        border-color: #4b5563;
    }

    .input-group-text {
        color: #9ca3af;
    }

    .divider::before,
    .divider::after {
        background-color: #4b5563;
    }

    .btn-social {
        background-color: #374151;
        color: #e5e7eb;
        border-color: #4b5563;
    }

    .btn-social:hover {
        background-color: #4b5563;
    }

    .register-footer {
        border-top-color: #4b5563;
        color: #9ca3af;
    }
}