/*
 * Forms CSS - Alternative Investments Limited
 * Form components, validation, and styling
 */

/* Form Container */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-light);
}

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

.form-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.form-header p {
    color: var(--text-secondary);
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 0.9rem;
}

.form-group.required label::after {
    content: ' *';
    color: #e53e3e;
}

/* Form Inputs */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
    color: #333;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #2b6cb0;
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
}

.form-textarea {
    height: 120px;
    resize: vertical;
}

.form-input::placeholder,
.form-select::placeholder,
.form-textarea::placeholder {
    color: #94a3b8;
}

/* Input States */
.form-input.error,
.form-select.error,
.form-textarea.error,
input.error,
select.error,
textarea.error {
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
    animation: shake 0.3s ease-in-out;
}

.form-input.success,
.form-select.success,
.form-textarea.success,
input.success,
select.success,
textarea.success {
    border-color: #38a169;
    box-shadow: 0 0 0 3px rgba(56, 161, 105, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled,
input:disabled,
select:disabled,
textarea:disabled {
    background: var(--neutral-light);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-input.validating,
.form-select.validating,
.form-textarea.validating,
input.validating,
select.validating,
textarea.validating {
    border-color: var(--primary-medium);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
}

/* Input validation icons */
.form-group.has-validation {
    position: relative;
}

.form-group.has-validation .form-input,
.form-group.has-validation input {
    padding-right: 3rem;
}

.validation-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    margin-top: 0.75rem; /* Adjust for label */
    font-size: 1.2rem;
    opacity: 0;
    transition: var(--transition-fast);
}

.validation-icon.success {
    color: #38a169;
    opacity: 1;
}

.validation-icon.error {
    color: #e53e3e;
    opacity: 1;
}

.validation-icon.loading {
    color: var(--primary-medium);
    opacity: 1;
    animation: spin 1s linear infinite;
}

/* Input Icons */
.form-group.has-icon {
    position: relative;
}

.form-group.has-icon .form-input {
    padding-left: 3rem;
}

.form-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-top: 0.75rem; /* Adjust for label */
}

/* Error Messages */
.error-message {
    display: block;
    color: #e53e3e;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    opacity: 0;
    transform: translateY(-5px);
    transition: var(--transition-fast);
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

.success-message {
    display: block;
    color: #38a169;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    opacity: 0;
    transform: translateY(-5px);
    transition: var(--transition-fast);
}

.success-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Checkbox and Radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
}

.form-check-label {
    font-size: 0.9rem;
    line-height: 1.4;
    cursor: pointer;
    margin: 0;
}

/* Custom Checkbox */
.custom-checkbox {
    position: relative;
    display: inline-block;
}

.custom-checkbox input {
    opacity: 0;
    position: absolute;
}

.custom-checkbox .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background: white;
    border: 2px solid var(--neutral-medium);
    border-radius: 3px;
    transition: var(--transition-fast);
}

.custom-checkbox input:checked + .checkmark {
    background: var(--primary-medium);
    border-color: var(--primary-medium);
}

.custom-checkbox .checkmark::after {
    content: "";
    position: absolute;
    display: none;
}

.custom-checkbox input:checked + .checkmark::after {
    display: block;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.form-actions.space-between {
    justify-content: space-between;
}

/* Multi-step Form */
.form-steps {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 0;
    list-style: none;
}

.form-step {
    position: relative;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-step:not(:last-child)::after {
    content: '';
    width: 2rem;
    height: 2px;
    background: var(--neutral-medium);
    margin: 0 1rem;
}

.form-step.active {
    color: var(--primary-medium);
    font-weight: 600;
}

.form-step.active::after {
    background: var(--primary-medium);
}

.form-step.completed {
    color: #38a169;
}

.form-step.completed::after {
    background: #38a169;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--neutral-medium);
    color: white;
    font-weight: bold;
    margin-right: 0.5rem;
}

.form-step.active .step-number {
    background: var(--primary-medium);
}

.form-step.completed .step-number {
    background: #38a169;
}

/* File Upload */
.file-upload {
    position: relative;
    display: inline-block;
    width: 100%;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--neutral-medium);
    border-radius: var(--border-radius-small);
    background: var(--neutral-light);
    transition: var(--transition-fast);
    cursor: pointer;
}

.file-upload:hover .file-upload-label,
.file-upload.dragover .file-upload-label {
    border-color: var(--primary-medium);
    background: rgba(43, 108, 176, 0.05);
}

.file-upload-icon {
    font-size: 2rem;
    color: var(--primary-medium);
    margin-bottom: 1rem;
}

.file-upload-text {
    text-align: center;
    color: var(--text-secondary);
}

.file-list {
    margin-top: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    background: white;
    border: 1px solid var(--neutral-medium);
    border-radius: var(--border-radius-small);
    margin-bottom: 0.5rem;
}

.file-item-name {
    font-size: 0.9rem;
}

.file-item-remove {
    background: #e53e3e;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    font-size: 0.8rem;
}

/* Search Form */
.search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    padding-right: 3rem;
}

.search-button {
    position: absolute;
    right: 0.5rem;
    background: none;
    border: none;
    color: var(--primary-medium);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-small);
    transition: var(--transition-fast);
}

.search-button:hover {
    background: var(--primary-medium);
    color: white;
}

/* Form Grid */
.form-grid {
    display: grid;
    gap: 1.5rem;
}

.form-grid.two-column {
    grid-template-columns: 1fr 1fr;
}

.form-grid.three-column {
    grid-template-columns: 1fr 1fr 1fr;
}

/* Loading States */
.form-loading {
    position: relative;
    pointer-events: none;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    z-index: 10;
}

.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading .fas {
    animation: spin 1s linear infinite;
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0;
    transform: translateY(-5px);
    transition: var(--transition-fast);
}

.password-strength.strength-weak {
    color: #e53e3e;
    opacity: 1;
    transform: translateY(0);
}

.password-strength.strength-medium {
    color: #f6ad55;
    opacity: 1;
    transform: translateY(0);
}

.password-strength.strength-strong {
    color: #38a169;
    opacity: 1;
    transform: translateY(0);
}

/* Alert/Notification Styles */
.alert-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    max-width: 400px;
}

.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-light);
    animation: slideInRight 0.3s ease-out;
    position: relative;
    background: white;
    border-left: 4px solid;
}

.alert-success {
    border-left-color: #38a169;
}

.alert-error {
    border-left-color: #e53e3e;
}

.alert-warning {
    border-left-color: #f6ad55;
}

.alert-info {
    border-left-color: var(--primary-medium);
}

.alert-icon {
    font-size: 1.2rem;
    font-weight: bold;
}

.alert-success .alert-icon {
    color: #38a169;
}

.alert-error .alert-icon {
    color: #e53e3e;
}

.alert-warning .alert-icon {
    color: #f6ad55;
}

.alert-info .alert-icon {
    color: var(--primary-medium);
}

.alert-message {
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.4;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.alert-close:hover {
    background: var(--neutral-light);
}

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

.form-row.two-columns {
    grid-template-columns: 1fr 1fr;
}

.form-row.three-columns {
    grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 768px) {
    .form-row.two-columns,
    .form-row.three-columns {
        grid-template-columns: 1fr;
    }
}

/* Advanced Form Components */
.form-section {
    padding: 2rem 0;
    border-bottom: 1px solid var(--neutral-light);
    margin-bottom: 2rem;
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.form-section-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.form-section-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* Loan Application Specific Styles */
.loan-application-form {
    max-width: 800px;
    margin: 0 auto;
}

.loan-calculation {
    background: var(--neutral-light);
    border: 1px solid var(--neutral-medium);
    border-radius: var(--border-radius-small);
    padding: 1.5rem;
    margin: 2rem 0;
}

.loan-calculation h4 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.calc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: white;
    border-radius: var(--border-radius-small);
    border: 1px solid var(--neutral-light);
}

.calc-item span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.calc-item strong {
    color: var(--primary-dark);
    font-weight: 600;
}

/* Responsive Forms */
@media (max-width: 768px) {
    .form-container {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions.space-between {
        flex-direction: column;
    }
    
    .form-grid.two-column,
    .form-grid.three-column {
        grid-template-columns: 1fr;
    }
    
    .form-steps {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .form-step:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 480px) {
    .form-header h2 {
        font-size: 1.5rem;
    }
    
    .file-upload-label {
        padding: 1.5rem 1rem;
    }
    
    .file-upload-icon {
        font-size: 1.5rem;
    }
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes slideInRight {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(43, 108, 176, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(43, 108, 176, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(43, 108, 176, 0);
    }
}