/* Modern Form Styles for CAD Training Institute
   Shared styles for login, registration, and contact pages */

:root {
    --primary-color: #64ffda;
    --secondary-color: #3a86ff;
    --dark-navy: #0a192f;
    --navy: #112240;
    --light-navy: #172a45;
    --lightest-navy: #303C55;
    --slate: #8892b0;
    --light-slate: #a8b2d1;
    --lightest-slate: #ccd6f6;
    --white: #e6f1ff;
    --form-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    --transition-standard: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Form Container Styles */
.modern-form-container {
    max-width: 550px;
    margin: 0 auto;
    background: rgba(17, 34, 64, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: var(--form-shadow);
    border: 1px solid rgba(100, 255, 218, 0.1);
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-standard);
    animation: formFadeIn 0.8s ease forwards;
}

.modern-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    z-index: 1;
}

.modern-form-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(100, 255, 218, 0.1), transparent 70%);
    z-index: -1;
}

.modern-form-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-color: rgba(100, 255, 218, 0.2);
}

/* Form Header */
.form-header {
    text-align: center;
    margin-bottom: 35px;
    position: relative;
}

.form-header h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--white), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: headerFadeIn 0.8s ease forwards;
}

.form-header p {
    color: var(--slate);
    font-size: 1rem;
    line-height: 1.6;
    animation: textFadeIn 1s ease forwards;
}

/* Form Group Styles */
.form-group {
    margin-bottom: 25px;
    position: relative;
    animation: formGroupSlideUp 0.5s ease forwards;
    opacity: 0;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }
.form-group:nth-child(6) { animation-delay: 0.6s; }

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--lightest-slate);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-standard);
    transform-origin: left;
}

.form-group.focus label {
    color: var(--primary-color);
    transform: scale(1.05);
}

/* Input Styles */
.form-control {
    width: 100%;
    padding: 15px;
    background: rgba(10, 25, 47, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 8px;
    color: var(--lightest-slate);
    font-size: 1rem;
    transition: var(--transition-standard);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
    background: rgba(17, 34, 64, 0.8);
}

.form-control::placeholder {
    color: var(--slate);
    opacity: 0.7;
}

/* Password Input */
.password-field {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--slate);
    cursor: pointer;
    transition: var(--transition-standard);
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
}

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

/* Checkbox and Radio Styles */
.checkbox-group, .radio-group {
    display: flex;
    gap: 20px;
    margin-top: 5px;
}

.custom-checkbox, .custom-radio {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.custom-checkbox input, .custom-radio input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    background-color: rgba(10, 25, 47, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.3);
    border-radius: 4px;
    transition: var(--transition-standard);
}

.radio-mark {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    background-color: rgba(10, 25, 47, 0.7);
    border: 1px solid rgba(100, 255, 218, 0.3);
    border-radius: 50%;
    transition: var(--transition-standard);
}

.custom-checkbox:hover .checkmark, .custom-radio:hover .radio-mark {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
}

.custom-checkbox input:checked ~ .checkmark, .custom-radio input:checked ~ .radio-mark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkmark:after, .radio-mark:after {
    content: "";
    position: absolute;
    display: none;
}

.custom-checkbox input:checked ~ .checkmark:after, .custom-radio input:checked ~ .radio-mark:after {
    display: block;
}

.custom-checkbox .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid var(--dark-navy);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-radio .radio-mark:after {
    top: 5px;
    left: 5px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dark-navy);
}

/* Button Styles */
.btn-modern {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-navy);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(100, 255, 218, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-align: center;
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    z-index: -1;
    transition: opacity 0.5s ease;
    opacity: 0;
}

.btn-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(100, 255, 218, 0.4);
}

.btn-modern:hover::before {
    opacity: 1;
}

.btn-modern:active {
    transform: translateY(-2px);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline::before {
    background: rgba(100, 255, 218, 0.1);
}

.btn-outline:hover {
    color: var(--primary-color);
}

/* Social Login Buttons */
.social-login {
    margin-top: 30px;
}

.social-login-title {
    text-align: center;
    position: relative;
    margin-bottom: 20px;
}

.social-login-title span {
    background: rgba(17, 34, 64, 0.7);
    padding: 0 15px;
    position: relative;
    z-index: 1;
    color: var(--slate);
    font-size: 0.9rem;
}

.social-login-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: rgba(100, 255, 218, 0.2);
    z-index: 0;
}

.social-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 15px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-standard);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(10, 25, 47, 0.7);
    color: var(--lightest-slate);
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

.social-btn.google {
    color: #ea4335;
    border-color: rgba(234, 67, 53, 0.3);
}

.social-btn.facebook {
    color: #1877f2;
    border-color: rgba(24, 119, 242, 0.3);
}

.social-btn.twitter {
    color: #1da1f2;
    border-color: rgba(29, 161, 242, 0.3);
}

.social-btn.linkedin {
    color: #0077b5;
    border-color: rgba(0, 119, 181, 0.3);
}

/* Form Footer */
.form-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    color: var(--slate);
    font-size: 0.9rem;
    animation: formFooterFadeIn 1s ease forwards;
}

.form-footer a {
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition-standard);
}

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

/* Alert Messages */
.alert {
    padding: 15px;
    margin-bottom: 25px;
    border-radius: 8px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: alertSlideIn 0.5s ease forwards;
}

.alert i {
    font-size: 1.2rem;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    border-left: 4px solid #28a745;
    color: #d4edda;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-left: 4px solid #dc3545;
    color: #f8d7da;
}

.alert-info {
    background-color: rgba(58, 134, 255, 0.1);
    border-left: 4px solid #3a86ff;
    color: #cce5ff;
}

/* Form Sections (for multi-step forms) */
.form-section {
    display: none;
    animation: formSectionFadeIn 0.5s ease forwards;
}

.form-section.active {
    display: block;
}

.form-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

/* Form Progress */
.form-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.form-progress::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: rgba(100, 255, 218, 0.1);
    z-index: 0;
}

.progress-step {
    position: relative;
    z-index: 1;
    width: 30px;
    height: 30px;
    background-color: var(--light-navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--slate);
    font-weight: 600;
    transition: var(--transition-standard);
}

.progress-step.active {
    background-color: var(--primary-color);
    color: var(--dark-navy);
    box-shadow: 0 0 0 5px rgba(100, 255, 218, 0.2);
}

.progress-step.completed {
    background-color: var(--primary-color);
    color: var(--dark-navy);
}

/* Contact Form Specific */
.contact-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Help Section */
.help-section {
    margin-top: 80px;
    padding: 60px 0;
    background-color: rgba(17, 34, 64, 0.3);
    position: relative;
}

.help-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(58, 134, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.help-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.help-option {
    background-color: rgba(17, 34, 64, 0.5);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: var(--transition-standard);
}

.help-option:hover {
    transform: translateY(-10px);
    border-color: rgba(100, 255, 218, 0.3);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.help-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: var(--dark-navy);
    transition: var(--transition-standard);
}

.help-option:hover .help-icon {
    transform: rotateY(180deg);
}

.help-option h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--lightest-slate);
}

.help-option p {
    color: var(--slate);
    margin-bottom: 20px;
    line-height: 1.6;
}

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

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

@keyframes textFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes formFooterFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

/* Floating Label Animation (Optional) */
.floating-label {
    position: relative;
    margin-bottom: 25px;
}

.floating-label label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--slate);
    pointer-events: none;
    transition: var(--transition-standard);
}

.floating-label input:focus ~ label,
.floating-label input:not(:placeholder-shown) ~ label,
.floating-label textarea:focus ~ label,
.floating-label textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    padding: 0 5px;
    background-color: var(--navy);
    color: var(--primary-color);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .modern-form-container {
        padding: 30px;
    }
    
    .form-header h2 {
        font-size: 1.8rem;
    }
    
    .contact-form-grid {
        grid-template-columns: 1fr;
    }
    
    .social-buttons {
        flex-direction: column;
    }
    
    .help-options {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .modern-form-container {
        padding: 25px;
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
    
    .btn-modern {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .checkbox-group, .radio-group {
        flex-direction: column;
        gap: 10px;
    }
}