/* ==========================================================================
   FS PayU Donations Widget
   Scoped to .fs-payu-widget — no global side-effects.
   Bold, spacious, modern design. Fully customizable via shortcode attributes.
   ========================================================================== */

.fs-payu-widget {
    --fs-primary: #FD9800;
    --fs-dark: #0F172A;
    --fs-cream: #FEF9E1;
    --fs-radius: 50px;
    --fs-radius-sm: 16px;
    --fs-font-body: 'Karla', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fs-font-heading: 'Bricolage Grotesque', 'Karla', sans-serif;

    font-family: var(--fs-font-body);
    color: var(--fs-dark);
    max-width: 580px;
    margin: 0 auto;
    padding: 40px 44px;
    background: #ffffff;
    border-radius: var(--fs-radius-sm);
    box-sizing: border-box;
}

.fs-payu-widget *,
.fs-payu-widget *::before,
.fs-payu-widget *::after {
    box-sizing: border-box;
}

/* Title & description */
.fs-payu-widget__title {
    font-family: var(--fs-font-heading);
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 12px;
    text-align: center;
    color: var(--fs-dark);
    line-height: 1.2;
}

.fs-payu-widget__description {
    font-size: 17px;
    margin: 0 0 28px;
    text-align: center;
    color: #64748b;
    line-height: 1.6;
}

/* Toggle (one-time / monthly) */
.fs-payu-widget__toggle {
    display: flex;
    background: var(--fs-cream);
    border-radius: var(--fs-radius);
    padding: 5px;
    margin-bottom: 28px;
    gap: 4px;
}

.fs-payu-widget__toggle-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: var(--fs-radius);
    background: transparent;
    color: var(--fs-dark);
    font-family: var(--fs-font-body);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.3;
}

.fs-payu-widget__toggle-btn--active {
    background: var(--fs-primary);
    color: #ffffff;
    box-shadow: 0 2px 10px rgba(253, 152, 0, 0.35);
}

.fs-payu-widget__toggle-btn:hover:not(.fs-payu-widget__toggle-btn--active) {
    background: rgba(253, 152, 0, 0.1);
}

/* Amount buttons */
.fs-payu-widget__amounts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.fs-payu-widget__amount-btn {
    padding: 18px 12px;
    border: 2px solid #e2e8f0;
    border-radius: var(--fs-radius);
    background: #ffffff;
    color: var(--fs-dark);
    font-family: var(--fs-font-body);
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.fs-payu-widget__amount-btn:hover {
    border-color: var(--fs-primary);
    color: var(--fs-primary);
}

.fs-payu-widget__amount-btn--active {
    border-color: var(--fs-primary);
    background: var(--fs-primary);
    color: #ffffff;
    box-shadow: 0 3px 10px rgba(253, 152, 0, 0.35);
}

.fs-payu-widget__amount-btn--custom {
    grid-column: span 2;
    font-size: 16px;
    font-weight: 700;
    padding: 16px;
}

/* Custom amount input */
.fs-payu-widget__custom-amount {
    margin-bottom: 24px;
}

.fs-payu-widget__input-group {
    display: flex;
    align-items: center;
    border: 2px solid #e2e8f0;
    border-radius: var(--fs-radius);
    overflow: hidden;
    transition: border-color 0.2s;
}

.fs-payu-widget__input-group:focus-within {
    border-color: var(--fs-primary);
}

.fs-payu-widget__input-group .fs-payu-widget__input {
    border: none;
    border-radius: 0;
    padding: 16px 20px;
    flex: 1;
}

.fs-payu-widget__input-group .fs-payu-widget__input:focus {
    box-shadow: none;
    border: none;
}

.fs-payu-widget__input-suffix {
    padding: 0 20px;
    font-weight: 700;
    color: #94a3b8;
    font-size: 16px;
    white-space: nowrap;
}

/* Form fields */
.fs-payu-widget__field {
    margin-bottom: 14px;
}

.fs-payu-widget__input {
    width: 100%;
    padding: 16px 24px;
    border: 2px solid #e2e8f0;
    border-radius: var(--fs-radius);
    font-family: var(--fs-font-body);
    font-size: 16px;
    color: var(--fs-dark);
    background: #ffffff;
    transition: border-color 0.2s;
    outline: none;
}

.fs-payu-widget__input:focus {
    border-color: var(--fs-primary);
}

.fs-payu-widget__input::placeholder {
    color: #94a3b8;
}

.fs-payu-widget__input::-webkit-outer-spin-button,
.fs-payu-widget__input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.fs-payu-widget__input[type="number"] {
    -moz-appearance: textfield;
}

/* Card section (Secure Form) */
.fs-payu-widget__card-section {
    margin: 24px 0;
    padding: 24px;
    background: var(--fs-cream);
    border-radius: var(--fs-radius-sm);
}

.fs-payu-widget__card-label {
    margin: 0 0 14px;
    font-size: 16px;
    font-weight: 700;
    color: var(--fs-dark);
}

.fs-payu-widget__card-form {
    min-height: 54px;
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 16px 18px;
    transition: border-color 0.2s;
}

.fs-payu-widget__card-form.payu-secure-form-focus {
    border-color: var(--fs-primary);
}

.fs-payu-widget__card-form.payu-secure-form-invalid {
    border-color: #ef4444;
}

.fs-payu-widget__card-info {
    margin: 12px 0 0;
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.5;
}

/* Error message */
.fs-payu-widget__error {
    padding: 14px 18px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    color: #dc2626;
    font-size: 15px;
    margin-bottom: 18px;
    line-height: 1.5;
}

/* Submit button */
.fs-payu-widget__submit {
    width: 100%;
    padding: 20px 32px;
    margin-top: 12px;
    border: none;
    border-radius: var(--fs-radius);
    background: var(--fs-primary);
    color: #ffffff;
    font-family: var(--fs-font-body);
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.02em;
}

.fs-payu-widget__submit:hover {
    background: #e88a00;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(253, 152, 0, 0.4);
}

.fs-payu-widget__submit:active {
    transform: translateY(0);
}

.fs-payu-widget__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Legal */
.fs-payu-widget__legal {
    margin: 20px 0 0;
    font-size: 13px;
    color: #94a3b8;
    text-align: center;
    line-height: 1.6;
}

.fs-payu-widget__legal a {
    color: var(--fs-primary);
    text-decoration: underline;
}

.fs-payu-widget__legal a:hover {
    color: #e88a00;
}

/* Powered by PayU */
.fs-payu-widget__powered {
    margin-top: 20px;
    text-align: center;
    font-size: 13px;
    color: #94a3b8;
}

.fs-payu-widget__powered strong {
    color: #64748b;
}

/* Spinner on submit */
.fs-payu-widget__submit--loading {
    position: relative;
    color: transparent !important;
}

.fs-payu-widget__submit--loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: fs-payu-spin 0.6s linear infinite;
}

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

/* Textarea */
.fs-payu-widget__textarea {
    border-radius: var(--fs-radius-sm) !important;
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

/* Checkbox */
.fs-payu-widget__checkbox {
    margin-bottom: 14px;
}

.fs-payu-widget__checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #64748b;
    cursor: pointer;
    line-height: 1.5;
}

.fs-payu-widget__checkbox input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--fs-primary);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Dark theme support — when bg is dark, adjust borders and placeholders */
.fs-payu-widget[style*="background:#1"] .fs-payu-widget__amount-btn,
.fs-payu-widget[style*="background:#2"] .fs-payu-widget__amount-btn,
.fs-payu-widget[style*="background:#1"] .fs-payu-widget__input,
.fs-payu-widget[style*="background:#2"] .fs-payu-widget__input {
    border-color: #475569;
    background: #334155;
}

.fs-payu-widget[style*="background:#1"] .fs-payu-widget__card-form,
.fs-payu-widget[style*="background:#2"] .fs-payu-widget__card-form {
    background: #334155;
    border-color: #475569;
}

/* Responsive */
@media (max-width: 600px) {
    .fs-payu-widget {
        padding: 28px 20px;
        border-radius: 12px;
    }

    .fs-payu-widget__title {
        font-size: 26px;
    }

    .fs-payu-widget__description {
        font-size: 15px;
    }

    .fs-payu-widget__toggle-btn {
        font-size: 14px;
        padding: 12px 14px;
    }

    .fs-payu-widget__amount-btn {
        font-size: 18px;
        padding: 16px 10px;
    }

    .fs-payu-widget__submit {
        font-size: 18px;
        padding: 18px 24px;
    }
}