/* ==============================================
   Satya Photography - Book a Call Plugin Styles
   EXACT REPLICA of reference website design
   Uses !important to override WP theme styles
   ============================================== */

/* ---------- CSS Custom Properties ---------- */
.spb-wrapper {
    --spb-primary: #D4A574;
    --spb-primary-hover: #C8956C;
    --spb-primary-light: #F5E6D3;
    --spb-primary-20: rgba(212, 165, 116, 0.2);
    --spb-bg: #FFF8F0;
    --spb-foreground: #1A1A2E;
    --spb-muted-foreground: #6B7280;
    --spb-border: #E5D5C3;
    --spb-white: #FFFFFF;
    --spb-badge-bg: #F5E6D3;
    --spb-badge-text: #6B2D5B;
    --spb-shadow: rgba(0, 0, 0, 0.1) 0px 1px 3px 0px, rgba(0, 0, 0, 0.1) 0px 1px 2px -1px;
    --spb-shadow-sm: rgba(0, 0, 0, 0.05) 0px 1px 2px 0px;
    --spb-radius: 14px;
    --spb-radius-sm: 8px;
    --spb-radius-lg: 10px;
    --spb-transition: all 0.2s ease;

    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
    background-color: var(--spb-bg) !important;
    padding: 32px 16px !important;
    position: relative !important;
    overflow: hidden !important;
    color: var(--spb-foreground) !important;
    line-height: 1.5 !important;
}

/* ---------- Subtle background ---------- */
.spb-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(212, 165, 116, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(107, 45, 91, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ---------- Container ---------- */
.spb-container {
    max-width: 896px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ---------- Toggle Button ("Book a Call") ---------- */
.spb-toggle-wrap {
    display: flex !important;
    justify-content: center !important;
    margin-bottom: 8px !important;
    transition: var(--spb-transition);
}

.spb-toggle-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    background-color: var(--spb-badge-bg) !important;
    color: var(--spb-badge-text) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    padding: 10px 20px !important;
    border-radius: var(--spb-radius-lg) !important;
    border: 1px solid var(--spb-border) !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    font-family: inherit !important;
    letter-spacing: 0.02em !important;
    text-transform: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    outline: none !important;
    box-shadow: var(--spb-shadow) !important;
}

.spb-toggle-btn:hover {
    background-color: var(--spb-primary) !important;
    color: var(--spb-white) !important;
    border-color: var(--spb-primary) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(212, 165, 116, 0.3) !important;
}

.spb-toggle-btn:active {
    transform: translateY(0) !important;
}

.spb-toggle-icon {
    width: 14px !important;
    height: 14px !important;
    flex-shrink: 0 !important;
}

.spb-toggle-chevron {
    width: 14px !important;
    height: 14px !important;
    flex-shrink: 0 !important;
    transition: transform 0.3s ease !important;
}

/* Chevron rotates when panel is open */
.spb-toggle-btn-active .spb-toggle-chevron {
    transform: rotate(180deg) !important;
}

/* When panel is open, button becomes more subtle */
.spb-toggle-btn-active {
    background-color: var(--spb-primary-light) !important;
    color: var(--spb-primary-hover) !important;
    border-color: transparent !important;
    box-shadow: none !important;
    padding: 6px 14px !important;
    font-size: 12px !important;
}

/* ---------- Collapsible Panel ---------- */
.spb-panel {
    max-height: 0 !important;
    overflow: hidden !important;
    opacity: 0 !important;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.4s ease,
                margin 0.4s ease !important;
    margin-top: 0 !important;
}

.spb-panel-open {
    max-height: 2000px !important;
    overflow: visible !important;
    opacity: 1 !important;
    margin-top: 16px !important;
}

/* ---------- Header ---------- */
.spb-header {
    text-align: center;
    margin-bottom: 48px !important;
    animation: spbFadeInUp 0.6s ease-out;
}

.spb-title {
    font-family: 'Playfair Display', Georgia, 'Times New Roman', serif !important;
    font-size: 48px !important;
    font-weight: 700 !important;
    color: var(--spb-foreground) !important;
    margin: 0 0 12px 0 !important;
    line-height: 1 !important;
    letter-spacing: -0.025em !important;
    text-transform: none !important;
}

.spb-accent-text {
    color: var(--spb-primary) !important;
    position: relative;
}

.spb-accent-text::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--spb-primary);
    border-radius: 2px;
    opacity: 0.3;
}

.spb-subtitle {
    color: var(--spb-muted-foreground) !important;
    font-size: 16px !important;
    line-height: 1.5 !important;
    max-width: 576px !important;
    margin: 0 auto !important;
    font-weight: 400 !important;
}

/* ---------- Two-Column Grid ---------- */
.spb-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 32px !important;
    align-items: start;
    animation: spbFadeInUp 0.6s ease-out 0.15s both;
}

/* ---------- Cards ---------- */
.spb-card {
    background: var(--spb-white) !important;
    border: 1px solid var(--spb-border) !important;
    border-radius: var(--spb-radius) !important;
    box-shadow: var(--spb-shadow) !important;
    overflow: hidden !important;
    transition: var(--spb-transition);
}

.spb-card:hover {
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1) !important;
}

.spb-card-body {
    padding: 24px !important;
}

.spb-card-title {
    font-family: 'Playfair Display', Georgia, 'Times New Roman', serif !important;
    font-size: 20px !important;
    font-weight: 700 !important;
    color: var(--spb-foreground) !important;
    margin: 0 0 24px 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    text-transform: none !important;
}

.spb-card-icon {
    color: var(--spb-primary) !important;
    flex-shrink: 0;
}

/* ---------- Calendar ---------- */
.spb-calendar-wrapper {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
}

.spb-calendar {
    background: var(--spb-white) !important;
    border: 1px solid var(--spb-border) !important;
    border-radius: var(--spb-radius-sm) !important;
    padding: 16px !important;
}

.spb-calendar-nav {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: 16px !important;
    padding: 0 4px !important;
}

/* === CRITICAL FIX: Arrow buttons - NO black, clearly visible === */
.spb-calendar-nav-btn,
button.spb-calendar-nav-btn,
.spb-calendar-nav-btn[type="button"] {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    border: none !important;
    border-width: 0 !important;
    border-style: none !important;
    border-color: transparent !important;
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    border-radius: var(--spb-radius-sm) !important;
    cursor: pointer !important;
    transition: var(--spb-transition);
    padding: 0 !important;
    margin: 0 !important;
    outline: none !important;
    box-shadow: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    text-indent: 0 !important;
    color: transparent !important;
    font-size: 0 !important;
    line-height: 0 !important;
    overflow: visible !important;
    -webkit-box-shadow: none !important;
    text-decoration: none !important;
    text-transform: none !important;
}

/* Arrow SVG icons - clearly visible, warm navy color, NO black */
.spb-calendar-nav-btn svg,
button.spb-calendar-nav-btn svg {
    display: block !important;
    width: 16px !important;
    height: 16px !important;
    color: var(--spb-foreground) !important;
    stroke: var(--spb-foreground) !important;
    stroke-width: 2 !important;
    fill: none !important;
    pointer-events: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    overflow: visible !important;
}

/* Target SVG path elements inside arrow buttons directly */
.spb-calendar-nav-btn svg path {
    stroke: var(--spb-foreground) !important;
    fill: none !important;
    color: var(--spb-foreground) !important;
}

.spb-calendar-nav-btn:hover,
button.spb-calendar-nav-btn:hover {
    background: var(--spb-primary-light) !important;
    background-color: var(--spb-primary-light) !important;
    background-image: none !important;
}

.spb-calendar-nav-btn:hover svg,
button.spb-calendar-nav-btn:hover svg {
    color: var(--spb-primary) !important;
    stroke: var(--spb-primary) !important;
}

.spb-calendar-nav-btn:hover svg path {
    stroke: var(--spb-primary) !important;
    color: var(--spb-primary) !important;
}

.spb-calendar-month-year {
    font-weight: 500 !important;
    font-size: 14px !important;
    color: var(--spb-foreground) !important;
    user-select: none !important;
    text-transform: none !important;
}

.spb-calendar-weekdays {
    display: grid !important;
    grid-template-columns: repeat(7, 1fr) !important;
    gap: 2px !important;
    margin-bottom: 8px !important;
}

.spb-calendar-weekday {
    text-align: center !important;
    font-size: 12.8px !important;
    font-weight: 400 !important;
    color: var(--spb-muted-foreground) !important;
    padding: 4px 0 !important;
    user-select: none !important;
    text-transform: none !important;
}

.spb-calendar-days {
    display: grid !important;
    grid-template-columns: repeat(7, 1fr) !important;
    gap: 2px !important;
}

/* === CRITICAL FIX: Calendar day buttons - NO black backgrounds === */
.spb-calendar-day {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    border: none !important;
    background: transparent !important;
    background-color: transparent !important;
    color: var(--spb-foreground) !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    border-radius: var(--spb-radius-sm) !important;
    cursor: pointer !important;
    transition: var(--spb-transition);
    position: relative !important;
    margin: 0 auto !important;
    padding: 0 !important;
    outline: none !important;
    box-shadow: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    font-family: inherit !important;
    line-height: 1 !important;
    text-decoration: none !important;
    text-transform: none !important;
    text-indent: 0 !important;
}

.spb-calendar-day:hover:not(.spb-day-disabled):not(.spb-day-outside) {
    background: var(--spb-primary-20) !important;
    background-color: var(--spb-primary-20) !important;
    color: var(--spb-primary) !important;
}

.spb-calendar-day.spb-day-outside {
    color: var(--spb-muted-foreground) !important;
    cursor: default !important;
    opacity: 0.5 !important;
}

.spb-calendar-day.spb-day-disabled {
    color: var(--spb-muted-foreground) !important;
    cursor: not-allowed !important;
    opacity: 0.5 !important;
    background: transparent !important;
    background-color: transparent !important;
}

.spb-calendar-day.spb-day-today:not(.spb-day-selected) {
    font-weight: 600 !important;
}

/* Selected date - warm gold background, dark navy text, NO black */
.spb-calendar-day.spb-day-selected {
    background: var(--spb-primary) !important;
    background-color: var(--spb-primary) !important;
    color: var(--spb-foreground) !important;
    font-weight: 600 !important;
    border-radius: var(--spb-radius-sm) !important;
    box-shadow: 0 2px 8px rgba(212, 165, 116, 0.35) !important;
}

.spb-calendar-day.spb-day-selected:hover {
    background: var(--spb-primary-hover) !important;
    background-color: var(--spb-primary-hover) !important;
    color: var(--spb-foreground) !important;
}

/* ---------- Time Slots ---------- */
.spb-time-section {
    animation: spbFadeInUp 0.3s ease-out;
}

.spb-time-title {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--spb-foreground) !important;
    margin: 0 0 12px 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    text-transform: none !important;
}

.spb-time-title-icon {
    color: var(--spb-primary) !important;
    flex-shrink: 0;
}

.spb-time-slots {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 8px !important;
    max-height: 192px !important;
    overflow-y: auto !important;
    padding-right: 4px !important;
}

/* Time slot buttons - cream bg, no black */
.spb-time-slot {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 8px 12px !important;
    border: none !important;
    border-radius: var(--spb-radius-lg) !important;
    background: var(--spb-primary-light) !important;
    background-color: var(--spb-primary-light) !important;
    color: var(--spb-muted-foreground) !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    outline: none !important;
    box-shadow: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    font-family: inherit !important;
    line-height: 1.2 !important;
    text-transform: none !important;
    text-decoration: none !important;
}

.spb-time-slot:hover {
    background: var(--spb-primary-20) !important;
    background-color: var(--spb-primary-20) !important;
    color: var(--spb-primary) !important;
}

.spb-time-slot.spb-time-selected {
    background: var(--spb-primary) !important;
    background-color: var(--spb-primary) !important;
    border-color: var(--spb-primary) !important;
    color: var(--spb-white) !important;
    font-weight: 500 !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06) !important;
}

.spb-time-slot.spb-time-selected:hover {
    background: var(--spb-primary-hover) !important;
    background-color: var(--spb-primary-hover) !important;
    color: var(--spb-white) !important;
}

/* ---------- Summary Box ---------- */
.spb-summary {
    background: var(--spb-primary-light) !important;
    border-radius: var(--spb-radius-lg) !important;
    padding: 12px !important;
    margin-bottom: 20px !important;
    display: none;
}

.spb-summary.spb-summary-visible {
    display: block;
    animation: spbFadeInUp 0.3s ease-out;
}

.spb-summary-row {
    font-size: 14px !important;
    color: var(--spb-muted-foreground) !important;
    line-height: 1.6 !important;
}

.spb-summary-row strong {
    color: var(--spb-foreground) !important;
    font-weight: 500 !important;
}

/* ---------- Form ---------- */
.spb-form {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
}

.spb-form-group {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
}

.spb-label {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--spb-foreground) !important;
    text-transform: none !important;
}

.spb-required {
    color: #E53E3E !important;
}

.spb-input-wrapper {
    position: relative !important;
    display: flex !important;
    align-items: center !important;
}

/* Input field icons */
.spb-input-icon {
    position: absolute !important;
    left: 12px !important;
    color: #A0AEC0 !important;
    pointer-events: none !important;
    transition: color 0.2s ease !important;
    z-index: 2 !important;
    width: 16px !important;
    height: 16px !important;
    flex-shrink: 0 !important;
}

.spb-input {
    width: 100% !important;
    padding: 4px 12px 4px 38px !important;
    height: 36px !important;
    border: 1px solid var(--spb-border) !important;
    border-radius: var(--spb-radius-sm) !important;
    font-size: 14px !important;
    color: var(--spb-foreground) !important;
    background: var(--spb-white) !important;
    background-color: var(--spb-white) !important;
    transition: var(--spb-transition);
    outline: none !important;
    font-family: inherit !important;
    box-sizing: border-box !important;
    box-shadow: var(--spb-shadow-sm) !important;
    text-transform: none !important;
}

.spb-input::placeholder {
    color: var(--spb-muted-foreground) !important;
}

.spb-input:focus {
    border-color: var(--spb-primary) !important;
    box-shadow: 0 0 0 3px var(--spb-primary-20) !important;
}

.spb-input:focus + .spb-input-icon,
.spb-input-wrapper:focus-within .spb-input-icon {
    color: var(--spb-primary) !important;
}

/* Phone input */
.spb-phone-wrapper {
    gap: 0 !important;
}

.spb-phone-prefix {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 12px !important;
    background: var(--spb-primary-light) !important;
    background-color: var(--spb-primary-light) !important;
    border: 1px solid var(--spb-border) !important;
    border-right: none !important;
    border-radius: var(--spb-radius-sm) 0 0 var(--spb-radius-sm) !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--spb-foreground) !important;
    white-space: nowrap !important;
    height: 36px !important;
    box-sizing: border-box !important;
}

.spb-phone-input {
    border-radius: 0 var(--spb-radius-sm) var(--spb-radius-sm) 0 !important;
    padding-left: 38px !important;
    max-width: 200px !important;
    letter-spacing: 0.05em !important;
}

/* Phone error state - red border on both prefix and input */
.spb-phone-wrapper .spb-input-error {
    border-color: #E53E3E !important;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1) !important;
}

.spb-phone-wrapper .spb-input-error + .spb-phone-prefix,
.spb-phone-wrapper:has(.spb-input-error) .spb-phone-prefix {
    border-color: #E53E3E !important;
}

.spb-phone-field-icon {
    left: calc(44px + 12px) !important;
}

/* Select */
.spb-select-wrapper {
    position: relative !important;
}

.spb-select {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    padding-right: 38px !important;
    cursor: pointer !important;
}

.spb-select-arrow {
    position: absolute !important;
    right: 12px !important;
    color: var(--spb-muted-foreground) !important;
    pointer-events: none !important;
    transition: transform 0.2s ease !important;
}

/* ---------- Submit Button ---------- */
.spb-submit-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    width: 100% !important;
    padding: 20px 16px !important;
    background: var(--spb-primary) !important;
    background-color: var(--spb-primary) !important;
    color: var(--spb-white) !important;
    border: none !important;
    border-radius: var(--spb-radius-sm) !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: var(--spb-transition);
    position: relative !important;
    overflow: hidden !important;
    font-family: inherit !important;
    margin-top: 4px !important;
    outline: none !important;
    box-shadow: var(--spb-shadow-sm) !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    text-transform: none !important;
    text-decoration: none !important;
    line-height: 1.2 !important;
}

.spb-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.spb-submit-btn:hover:not(:disabled)::before {
    left: 100%;
}

.spb-submit-btn:hover:not(:disabled) {
    background: var(--spb-primary-hover) !important;
    background-color: var(--spb-primary-hover) !important;
    color: var(--spb-white) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06) !important;
}

.spb-submit-btn:active:not(:disabled) {
    transform: translateY(0) !important;
}

.spb-submit-btn:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    background: var(--spb-primary) !important;
    background-color: var(--spb-primary) !important;
}

.spb-submit-btn svg {
    flex-shrink: 0 !important;
}

/* ---------- Footer ---------- */
.spb-footer {
    text-align: center !important;
    font-size: 12px !important;
    color: var(--spb-muted-foreground) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 4px 8px !important;
    margin-top: 8px !important;
    line-height: 1.5 !important;
    text-transform: none !important;
}

/* ---------- Success Message ---------- */
/* Modal is created dynamically by JS and appended to <body> */
/* Default state: hidden. Only .spb-success-visible shows it. */
.spb-success-message {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(26, 26, 46, 0.5) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 10000 !important;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
}

/* Only show when JS adds .spb-success-visible class */
.spb-success-message.spb-success-visible {
    display: flex !important;
    animation: spbFadeIn 0.3s ease-out;
}

.spb-success-content {
    background: #FFFFFF !important;
    border-radius: 16px !important;
    padding: 48px !important;
    text-align: center !important;
    max-width: 440px !important;
    width: 90% !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15) !important;
    animation: spbScaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.spb-success-icon {
    width: 72px !important;
    height: 72px !important;
    border-radius: 50% !important;
    background: #D4A574 !important;
    background-color: #D4A574 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 auto 20px !important;
    color: white !important;
    animation: spbPulse 2s ease-in-out infinite;
}

.spb-success-title {
    font-family: 'Playfair Display', Georgia, 'Times New Roman', serif !important;
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    color: #1A1A2E !important;
    margin: 0 0 8px 0 !important;
    text-transform: none !important;
}

.spb-success-text {
    color: #6B7280 !important;
    font-size: 0.9rem !important;
    line-height: 1.6 !important;
    margin: 0 0 24px 0 !important;
}

.spb-success-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 12px 24px !important;
    background: #D4A574 !important;
    background-color: #D4A574 !important;
    color: #FFFFFF !important;
    border: none !important;
    border-radius: 8px !important;
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    font-family: inherit !important;
    text-transform: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}

.spb-success-btn:hover {
    background: #C8956C !important;
    background-color: #C8956C !important;
    color: #FFFFFF !important;
}

/* ---------- Animations ---------- */
@keyframes spbFadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spbFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes spbScaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes spbPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(212, 165, 116, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(212, 165, 116, 0); }
}

/* ---------- Field validation ---------- */
.spb-input.spb-input-error {
    border-color: #E53E3E !important;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1) !important;
}

.spb-error-text {
    font-size: 0.75rem !important;
    color: #E53E3E !important;
    margin-top: 2px !important;
    display: none;
}

.spb-input-error + .spb-error-text,
.spb-form-group .spb-error-text.spb-show {
    display: block;
    animation: spbFadeInUp 0.2s ease-out;
}

/* ---------- Loading state ---------- */
.spb-submit-btn.spb-loading {
    pointer-events: none !important;
    opacity: 0.8 !important;
}

.spb-submit-btn.spb-loading span {
    opacity: 0 !important;
}

.spb-submit-btn.spb-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--spb-white);
    border-radius: 50%;
    animation: spbSpin 0.7s linear infinite;
}

@keyframes spbSpin {
    to { transform: rotate(360deg); }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .spb-wrapper {
        padding: 24px 16px !important;
    }

    .spb-title {
        font-size: 28px !important;
    }

    .spb-subtitle {
        font-size: 14px !important;
    }

    .spb-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .spb-card-body {
        padding: 20px !important;
    }

    .spb-time-slots {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    .spb-success-content {
        padding: 32px 24px !important;
    }

    .spb-toggle-btn {
        font-size: 13px !important;
        padding: 8px 16px !important;
    }
}

@media (max-width: 480px) {
    .spb-wrapper {
        padding: 16px 12px !important;
    }

    .spb-title {
        font-size: 24px !important;
    }

    .spb-card-body {
        padding: 16px !important;
    }

    .spb-calendar {
        padding: 12px !important;
    }

    .spb-calendar-day {
        font-size: 12px !important;
        width: 28px !important;
        height: 28px !important;
        min-width: 28px !important;
        min-height: 28px !important;
    }

    .spb-time-slots {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .spb-phone-prefix {
        font-size: 0.8rem !important;
        padding: 0 8px !important;
    }

    .spb-footer {
        font-size: 0.7rem !important;
    }

    .spb-success-content {
        padding: 24px 16px !important;
    }

    .spb-toggle-btn {
        font-size: 12px !important;
        padding: 6px 14px !important;
    }
}