/* ==========================================================================
   Base: Modal System
   Shared overlay, backdrop, popup, close button, spinner, scrollbar, mobile
   ========================================================================== */

/* --- Overlay --- */
.dsb-modal {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.dsb-modal--open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* --- Backdrop --- */
.dsb-modal__backdrop {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(6, 7, 9, 0);
    transition: background 0.35s ease;
}

.dsb-modal--open .dsb-modal__backdrop {
    background: rgba(6, 7, 9, 0.4);
}

/* --- Popup --- */
.dsb-modal__popup {
    position: relative;
    width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--color-accent-100);
    border: 1px solid var(--color-accent-200);
    border-radius: var(--radius-xl);
    padding: 24px 40px 40px;
    z-index: 1;
    transform: translateY(20px) scale(0.97);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.35s ease;
}

.dsb-modal--open .dsb-modal__popup {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* --- Width modifier --- */
.dsb-modal__popup--wide {
    width: 600px;
}

/* --- Smooth scrollbar --- */
.dsb-modal__popup::-webkit-scrollbar {
    width: 4px;
}

.dsb-modal__popup::-webkit-scrollbar-track {
    background: transparent;
}

.dsb-modal__popup::-webkit-scrollbar-thumb {
    background: var(--color-dark-300);
    border-radius: 2px;
}

/* --- Close button (absolute variant — contact, gift) --- */
.dsb-modal__close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    padding: 0;
    transition: transform 0.2s ease;
}

.dsb-modal__close:hover {
    transform: rotate(90deg);
}

/* --- Submit spinner --- */
.dsb-modal__submit--loading {
    position: relative;
    color: transparent !important;
}

.dsb-modal__submit--loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-text);
    border-top-color: transparent;
    border-radius: 50%;
    animation: dsb-modal-spin 0.6s linear infinite;
}

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

/* ==========================================================================
   Success screen (universal — injected by base.showSuccess())
   ========================================================================== */

/* --- Hide form content when success is active --- */
.dsb-modal-success--form-hide {
    opacity: 0;
    transform: translateY(8px) scale(0.97);
    pointer-events: none;
    position: absolute;
    visibility: hidden;
    height: 0;
    overflow: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

/* --- Success container --- */
.dsb-modal-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0 var(--spacing-sm);
    text-align: center;
    opacity: 0;
    transform: translateY(16px) scale(0.95);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.dsb-modal-success--active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* --- Animated icon --- */
.dsb-modal-success__icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-sm);
}

/* Circle ring */
.dsb-modal-success__circle {
    width: 80px;
    height: 80px;
}

.dsb-modal-success__circle circle {
    stroke: var(--color-accent-600);
    stroke-dasharray: 226;
    stroke-dashoffset: 226;
    transform-origin: center;
}

.dsb-modal-success--active .dsb-modal-success__circle circle {
    animation: dsb-success-circle 0.7s cubic-bezier(0.65, 0, 0.35, 1) 0.15s forwards;
}

@keyframes dsb-success-circle {
    to {
        stroke-dashoffset: 0;
    }
}

/* Checkmark */
.dsb-modal-success__check {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 32px;
    height: 32px;
    transform: translate(-50%, -50%);
    color: var(--color-accent-600);
    opacity: 0;
}

.dsb-modal-success__check polyline {
    stroke-dasharray: 40;
    stroke-dashoffset: 40;
}

.dsb-modal-success--active .dsb-modal-success__check {
    opacity: 1;
    transition: opacity 0.2s ease 0.5s;
}

.dsb-modal-success--active .dsb-modal-success__check polyline {
    animation: dsb-success-check 0.45s cubic-bezier(0.65, 0, 0.35, 1) 0.55s forwards;
}

@keyframes dsb-success-check {
    to {
        stroke-dashoffset: 0;
    }
}

/* Sparkle particles */
.dsb-modal-success__sparkles {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
}

.dsb-modal-success__spark {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--color-accent-600);
    border-radius: 50%;
    opacity: 0;
    transform: translate(-50%, -50%) rotate(var(--spark-angle)) translateY(0);
}

.dsb-modal-success--active .dsb-modal-success__spark {
    animation: dsb-success-spark 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

@keyframes dsb-success-spark {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(var(--spark-angle)) translateY(-20px) scale(1);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(var(--spark-angle)) translateY(-48px) scale(0.3);
    }
}

/* --- Title --- */
.dsb-modal-success__title {
    font-family: var(--font-family-serif);
    font-size: 28px;
    font-weight: 500;
    line-height: 40px;
    color: var(--color-text);
    margin: 0;
    opacity: 0;
}

.dsb-modal-success--active .dsb-modal-success__title {
    animation: dsb-success-fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.35s forwards;
}

/* --- Text --- */
.dsb-modal-success__text {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 20px;
    color: var(--color-dark-500);
    margin: 0;
    max-width: 360px;
    opacity: 0;
}

.dsb-modal-success--active .dsb-modal-success__text {
    animation: dsb-success-fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.45s forwards;
}

/* --- Button --- */
.dsb-modal-success__btn {
    width: 100%;
    padding: 18px 26px;
    font-size: var(--font-size-lg);
    font-weight: 500;
    line-height: 20px;
    margin-top: var(--spacing-sm);
    opacity: 0;
}

.dsb-modal-success--active .dsb-modal-success__btn {
    animation: dsb-success-fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.55s forwards;
}

/* Shared fade-up animation */
@keyframes dsb-success-fade-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   RESPONSIVE — 768px (Mobile: bottom-sheet)
   ========================================================================== */

@media (max-width: 768px) {
    .dsb-modal {
        align-items: flex-end;
        padding: 10px;
    }

    .dsb-modal__popup {
        width: 100%;
        max-height: calc(100vh - 20px);
        padding: 16px 24px 24px;
        transform: translateY(100%) scale(1);
    }

    .dsb-modal--open .dsb-modal__popup {
        transform: translateY(0) scale(1);
    }

    .dsb-modal-success__title {
        font-size: 24px;
        line-height: 26px;
    }

    .dsb-modal-success__btn {
        padding: 15px 18px;
        font-size: var(--font-size-base);
        line-height: 18px;
    }
}