/**
 * Forms Component - Just Dev It
 * Sistema de formularios profesional con validación visual
 */

/* ===== FORM BASE ===== */
.form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--space-6);
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== LABELS ===== */
.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-lighter);
    transition: color var(--transition-fast);
}

.form-label.required::after {
    content: '*';
    color: var(--color-error);
    margin-left: var(--space-1);
}

/* ===== INPUTS ===== */
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-base);
    color: var(--color-neutral-lightest);
    background-color: var(--bg-secondary);
    border: 2px solid rgba(155, 97, 164, 0.2);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-neutral-medium);
    opacity: 0.7;
}

/* Focus states */
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-brand-secondary);
    background-color: var(--bg-tertiary);
    box-shadow: 0 0 0 4px rgba(4, 199, 170, 0.1);
}

/* Hover states */
.form-input:hover,
.form-textarea:hover,
.form-select:hover {
    border-color: rgba(155, 97, 164, 0.4);
}

/* ===== TEXTAREA ===== */
.form-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
    line-height: var(--leading-relaxed);
}

/* ===== SELECT ===== */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-12);
    cursor: pointer;
}

/* ===== VALIDATION STATES ===== */

/* Success */
.form-group.success .form-input,
.form-group.success .form-textarea,
.form-group.success .form-select {
    border-color: var(--color-success);
    background-color: rgba(16, 185, 129, 0.05);
}

.form-group.success .form-label {
    color: var(--color-success);
}

/* Error */
.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
    border-color: var(--color-error);
    background-color: rgba(239, 68, 68, 0.05);
}

.form-group.error .form-label {
    color: var(--color-error);
}

/* ===== VALIDATION MESSAGES ===== */
.form-message {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.form-message-success {
    color: var(--color-success);
}

.form-message-error {
    color: var(--color-error);
}

.form-message-info {
    color: var(--color-info);
}

/* Icons for validation */
.form-message::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-size: contain;
    background-repeat: no-repeat;
}

.form-message-success::before {
    background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13.3334 4L6.00002 11.3333L2.66669 8' stroke='%2310B981' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.form-message-error::before {
    background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 2L2 12H14L8 2Z' stroke='%23EF4444' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M8 7V9' stroke='%23EF4444' stroke-width='2' stroke-linecap='round'/%3E%3Cpath d='M8 11H8.01' stroke='%23EF4444' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
}

/* ===== CHECKBOX & RADIO ===== */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
    user-select: none;
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
    appearance: none;
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid rgba(155, 97, 164, 0.3);
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    margin-top: 2px;
}

.form-radio input[type="radio"] {
    border-radius: 50%;
}

/* Checked state */
.form-checkbox input[type="checkbox"]:checked,
.form-radio input[type="radio"]:checked {
    background-color: var(--color-brand-primary);
    border-color: var(--color-brand-primary);
}

.form-checkbox input[type="checkbox"]:checked::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4L3.5 6.5L9 1' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.form-radio input[type="radio"]:checked::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: 50%;
}

/* Focus state */
.form-checkbox input[type="checkbox"]:focus,
.form-radio input[type="radio"]:focus {
    outline: 2px solid var(--color-brand-secondary);
    outline-offset: 2px;
}

.form-checkbox-label,
.form-radio-label {
    font-size: var(--text-sm);
    color: var(--color-neutral-light);
    line-height: var(--leading-snug);
}

/* ===== FORM BUTTONS ===== */
.form-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

@media (max-width: 640px) {
    .form-submit {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .form-submit .btn {
        width: 100%;
    }
}

/* ===== INPUT GROUPS ===== */
.input-group {
    display: flex;
    align-items: center;
}

.input-group .form-input {
    border-radius: 0;
}

.input-group .form-input:first-child {
    border-top-left-radius: var(--radius-lg);
    border-bottom-left-radius: var(--radius-lg);
}

.input-group .form-input:last-child {
    border-top-right-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.input-group-addon {
    display: flex;
    align-items: center;
    padding: var(--space-4);
    background-color: var(--bg-secondary);
    border: 2px solid rgba(155, 97, 164, 0.2);
    color: var(--color-neutral-light);
    white-space: nowrap;
}

.input-group-addon:first-child {
    border-right: none;
    border-top-left-radius: var(--radius-lg);
    border-bottom-left-radius: var(--radius-lg);
}

.input-group-addon:last-child {
    border-left: none;
    border-top-right-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

/* ===== FILE UPLOAD ===== */
.form-file {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    padding: var(--space-6);
    border: 2px dashed rgba(155, 97, 164, 0.3);
    border-radius: var(--radius-lg);
    background-color: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.form-file:hover {
    border-color: var(--color-brand-secondary);
    background-color: var(--bg-tertiary);
}

.form-file input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.form-file-content {
    text-align: center;
    pointer-events: none;
}

.form-file-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-3);
    color: var(--color-brand-primary);
}

.form-file-text {
    color: var(--color-neutral-light);
    font-size: var(--text-sm);
}

/* ===== LOADING STATE ===== */
.form-input.loading,
.form-textarea.loading,
.form-select.loading {
    background-image: linear-gradient(
        90deg,
        transparent,
        rgba(155, 97, 164, 0.1),
        transparent
    );
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ===== DISABLED STATE ===== */
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-secondary);
}

/* ===== FLOATING LABELS ===== */
.form-floating {
    position: relative;
}

.form-floating .form-input,
.form-floating .form-textarea {
    padding-top: var(--space-6);
}

.form-floating .form-label {
    position: absolute;
    top: var(--space-4);
    left: var(--space-5);
    margin: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
    color: var(--color-neutral-medium);
}

.form-floating .form-input:focus ~ .form-label,
.form-floating .form-input:not(:placeholder-shown) ~ .form-label,
.form-floating .form-textarea:focus ~ .form-label,
.form-floating .form-textarea:not(:placeholder-shown) ~ .form-label {
    top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-brand-secondary);
}

/* ===== FORM SECTION ===== */
.form-section {
    margin-bottom: var(--space-12);
}

.form-section-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-6);
    color: var(--color-neutral-lightest);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid rgba(155, 97, 164, 0.2);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
    .form-input,
    .form-textarea,
    .form-select {
        padding: var(--space-3) var(--space-4);
    }
}