/* ========================================
   Form layout
======================================== */

.form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1rem;
}

.form-col-12 {
    grid-column: span 12;
}

.form-col-8 {
    grid-column: span 8;
}

.form-col-6 {
    grid-column: span 6;
}

.form-col-4 {
    grid-column: span 4;
}

.form-col-3 {
    grid-column: span 3;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-label {
    color: var(--text);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-hint {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: -0.1rem;
}

/* ========================================
   Inputs
======================================== */

.form-control,
.form-select,
.form-textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    min-height: 44px;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface-alt);
    color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

textarea,
.form-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

select,
.form-select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
    background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 2.5rem;
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
    color: #7f8ca8;
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: rgba(111, 177, 255, 0.7);
    box-shadow: 0 0 0 4px rgba(111, 177, 255, 0.12);
    background: #1b2640;
    outline: none;
}

/* ========================================
   Checkboxes / radios
======================================== */

.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
}

    .form-check input[type="checkbox"],
    .form-check input[type="radio"] {
        width: 18px;
        height: 18px;
        margin-top: 0.2rem;
        accent-color: var(--primary);
    }

.form-check-label {
    color: var(--text);
}

.form-check-hint {
    margin-top: 0.15rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========================================
   Input validation
======================================== */

.input-validation-error,
input.input-validation-error,
select.input-validation-error,
textarea.input-validation-error {
    border-color: rgba(239, 115, 115, 0.65);
    box-shadow: 0 0 0 4px rgba(239, 115, 115, 0.1);
}

.field-validation-error {
    color: var(--danger);
    font-size: 0.85rem;
    font-weight: 500;
}

.field-validation-valid {
    display: none;
}

.validation-summary-errors {
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(239, 115, 115, 0.25);
    background: rgba(239, 115, 115, 0.08);
    color: var(--text);
}

    .validation-summary-errors ul {
        margin: 0.5rem 0 0;
        padding-left: 1.2rem;
    }

.validation-summary-valid {
    display: none;
}

/* ========================================
   Input groups / actions
======================================== */

.input-group {
    display: flex;
    align-items: stretch;
}

    .input-group .form-control {
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
    }

    .input-group .btn {
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
    }

/* ========================================
   Form actions
======================================== */

.form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

/* ========================================
   Responsive
======================================== */

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

    .form-col-12,
    .form-col-8,
    .form-col-6,
    .form-col-4,
    .form-col-3 {
        grid-column: auto;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
}