/**
 * Form Components - Reusable Form Styles
 * Modern, accessible form elements
 */

/* ============================================
   FORM BASE
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

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

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   LABELS
   ============================================ */
label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-normal);
}

label .required {
    color: var(--color-error);
    margin-left: var(--spacing-xs);
}

/* ============================================
   INPUT FIELDS
   ============================================ */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-base);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 2px solid rgba(0, 123, 255, 0.2);
    box-shadow: 0 0 0 1px rgba(0, 123, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1), 0 0 10px rgba(0, 123, 255, 0.2);
}

input[type="text"]:disabled,
input[type="email"]:disabled,
input[type="tel"]:disabled,
input[type="url"]:disabled,
input[type="search"]:disabled,
input[type="password"]:disabled,
input[type="number"]:disabled,
textarea:disabled,
select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: var(--color-bg-light);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="tel"]::placeholder,
input[type="url"]::placeholder,
input[type="search"]::placeholder,
input[type="password"]::placeholder,
input[type="number"]::placeholder,
textarea::placeholder {
    color: var(--color-text-lighter);
    opacity: 1;
}

textarea {
    min-height: 120px;
    resize: vertical;
    font-family: var(--font-family);
}

/* ============================================
   SELECT DROPDOWN
   ============================================ */
select {
    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='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-base) center;
    background-size: 12px;
    padding-right: var(--spacing-2xl);
    cursor: pointer;
}

select:focus {
    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='%23007bff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* ============================================
   CHECKBOX & RADIO
   ============================================ */
input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
    margin: 0 var(--spacing-sm) 0 0;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    flex-shrink: 0;
}

input[type="radio"] {
    border-radius: var(--radius-full);
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-color: #007bff;
    box-shadow: 0 0 10px rgba(0, 123, 255, 0.3);
}

input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 4px;
    height: 10px;
    border: solid #FFFFFF;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: #FFFFFF;
    border-radius: var(--radius-full);
}

input[type="checkbox"]:focus,
input[type="radio"]:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.checkbox-label,
.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: var(--font-weight-normal);
}

/* ============================================
   FORM MESSAGES
   ============================================ */
.form-message {
    padding: var(--spacing-base);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-base);
    font-size: var(--font-size-sm);
    display: none;
}

.form-message.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-message.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ============================================
   FORM SUBMIT
   ============================================ */
.form-submit {
    margin-top: var(--spacing-lg);
}

.form-submit .btn {
    width: 100%;
}

@media (min-width: 768px) {
    .form-submit .btn {
        width: auto;
        min-width: 200px;
    }
}

/* ============================================
   SEARCH FORM
   ============================================ */
.search-form {
    display: flex;
    gap: var(--spacing-sm);
    align-items: stretch;
}

.search-field {
    flex: 1;
    min-width: 0;
}

.search-submit {
    flex-shrink: 0;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 480px) {
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="url"],
    input[type="search"],
    input[type="password"],
    input[type="number"],
    textarea,
    select {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}