/**
 * BAIRS — Form de contacto moderno
 * Label flotante, validación inline, submit con estado loading/success.
 */

.bairs-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4, 16px);
}

.bairs-form-field {
    position: relative;
}

.bairs-form-input,
.bairs-form-textarea {
    width: 100%;
    background: var(--color-bg-0, #07090d);
    border: 1px solid var(--color-line, rgba(255,255,255,0.12));
    color: #fff;
    font: inherit;
    font-size: 16px;
    padding: 22px 16px 8px;
    border-radius: var(--radius-md, 12px);
    transition: border-color var(--dur-normal, 320ms) var(--ease-out, ease);
    appearance: none;
}

.bairs-form-textarea {
    min-height: 140px;
    resize: vertical;
    line-height: 1.5;
}

.bairs-form-input:focus,
.bairs-form-textarea:focus {
    outline: 0;
    border-color: var(--color-primary-soft, #38bdf8);
}

.bairs-form-input:invalid:not(:placeholder-shown),
.bairs-form-textarea:invalid:not(:placeholder-shown) {
    border-color: var(--color-warm, #ff8a3d);
}

.bairs-form-label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.5);
    pointer-events: none;
    transition: top var(--dur-micro, 180ms) var(--ease-out, ease),
                font-size var(--dur-micro, 180ms) var(--ease-out, ease),
                color var(--dur-micro, 180ms) var(--ease-out, ease);
    font-size: 15px;
}

.bairs-form-textarea + .bairs-form-label {
    top: 22px;
    transform: none;
}

.bairs-form-input:focus + .bairs-form-label,
.bairs-form-input:not(:placeholder-shown) + .bairs-form-label,
.bairs-form-textarea:focus + .bairs-form-label,
.bairs-form-textarea:not(:placeholder-shown) + .bairs-form-label {
    top: 8px;
    transform: none;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary-soft, #38bdf8);
}

/* Mensaje de error inline (lo añade JS) */
.bairs-form-error {
    color: var(--color-warm, #ff8a3d);
    font-size: 13px;
    margin-top: var(--space-2, 8px);
    display: none;
}

.bairs-form-field.has-error .bairs-form-error {
    display: block;
}

.bairs-form-field.has-error .bairs-form-input,
.bairs-form-field.has-error .bairs-form-textarea {
    border-color: var(--color-warm, #ff8a3d);
}

/* Submit button */
.bairs-form-submit {
    appearance: none;
    background: var(--color-primary-soft, #38bdf8);
    color: var(--color-bg-0, #07090d);
    border: 0;
    border-radius: 999px;
    padding: 16px 36px;
    font: inherit;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
    align-self: flex-start;
    position: relative;
    min-width: 180px;
    transition: transform var(--dur-micro, 180ms) var(--ease-out, ease),
                box-shadow var(--dur-normal, 320ms) var(--ease-out, ease);
}

.bairs-form-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.bairs-form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.bairs-form-submit-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid currentColor;
    border-top-color: transparent;
    animation: bairs-spin 800ms linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

.bairs-form.is-loading .bairs-form-submit-spinner { display: inline-block; }
.bairs-form.is-loading .bairs-form-submit { pointer-events: none; opacity: 0.7; }

@keyframes bairs-spin {
    to { transform: rotate(360deg); }
}

/* Success / error states */
.bairs-form-status {
    margin-top: var(--space-4, 16px);
    padding: 12px 16px;
    border-radius: var(--radius-md, 12px);
    font-size: 14px;
    display: none;
}

.bairs-form-status.is-success {
    display: block;
    background: rgba(56,189,248,0.12);
    color: var(--color-primary-soft, #38bdf8);
    border: 1px solid rgba(56,189,248,0.4);
}

.bairs-form-status.is-error {
    display: block;
    background: rgba(255,138,61,0.12);
    color: var(--color-warm, #ff8a3d);
    border: 1px solid rgba(255,138,61,0.4);
}