/* =================================================================
   FORMS
   ================================================================= */

/* ===== FORM CONTAINER ===== */

.form {
    width: 100%;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

/* ===== LABELS ===== */

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-label--required::after {
    content: '*';
    color: #ef4444;
    margin-left: var(--space-1);
}

/* ===== INPUTS ===== */

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background-color: var(--color-bg-secondary);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-500);
}

/* Input Sizes */
.form-input--sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

.form-input--lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-lg);
}

/* Textarea */
.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ===== CHECKBOX & RADIO ===== */

.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

/* ===== SELECT ===== */

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: var(--space-10);
}

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

.form-input--error,
.form-textarea--error,
.form-select--error {
    border-color: #ef4444;
}

.form-input--error:focus,
.form-textarea--error:focus,
.form-select--error:focus {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input--success,
.form-textarea--success,
.form-select--success {
    border-color: #10b981;
}

.form-input--success:focus,
.form-textarea--success:focus,
.form-select--success:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* ===== HELP TEXT ===== */

.form-help {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.form-error {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: #ef4444;
}

.form-success {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: #10b981;
}

/* ===== INPUT GROUPS ===== */

.input-group {
    display: flex;
    width: 100%;
}

.input-group .form-input {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.input-group__addon {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-left: none;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    color: var(--color-text-secondary);
}

/* ===== FILE INPUT ===== */

.form-file {
    position: relative;
    overflow: hidden;
    display: inline-block;
}

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

.form-file-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition-base);
}

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

/* ===== RESPONSIVE ===== */

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

    .form-group {
        margin-bottom: var(--space-4);
    }
}