/* ============================================================
   SF Toast - Premium glassmorphic notification system
   Linear / Vercel / Stripe inspired - high visibility, minimal bulk
   ============================================================ */

.sf-toast-viewport {
    --sf-toast-radius: 16px;
    --sf-toast-gap: 12px;
    --sf-toast-width: min(480px, calc(100vw - 28px));
    --sf-toast-z: 10050;
    --sf-toast-font: "Inter", "Segoe UI", system-ui, sans-serif;
    --sf-toast-font-site: "Jost", "Open Sans", "Segoe UI", system-ui, sans-serif;

    /* Light mode: solid elevated card (reads clearly on gray admin UI) */
    --sf-toast-surface: #ffffff;
    --sf-toast-surface-tint: transparent;
    --sf-toast-border: #c7d2e0;
    --sf-toast-ring: rgba(15, 23, 42, 0.1);
    --sf-toast-text: #0f172a;
    --sf-toast-text-secondary: #334155;
    --sf-toast-shadow:
        0 0 0 1px rgba(15, 23, 42, 0.08),
        0 2px 4px rgba(15, 23, 42, 0.06),
        0 8px 20px rgba(15, 23, 42, 0.1),
        0 18px 40px rgba(15, 23, 42, 0.14),
        0 32px 64px rgba(15, 23, 42, 0.08);
    --sf-toast-elevate: drop-shadow(0 16px 32px rgba(15, 23, 42, 0.16));
    --sf-toast-glow: transparent;
    --sf-toast-blur: 0px;

    --sf-toast-success: #059669;
    --sf-toast-success-soft: #10b981;
    --sf-toast-success-bg: rgba(16, 185, 129, 0.16);
    --sf-toast-success-ring: rgba(16, 185, 129, 0.28);
    --sf-toast-error: #e11d48;
    --sf-toast-error-soft: #f43f5e;
    --sf-toast-error-bg: rgba(244, 63, 94, 0.14);
    --sf-toast-error-ring: rgba(244, 63, 94, 0.32);
    --sf-toast-warning: #d97706;
    --sf-toast-warning-soft: #f59e0b;
    --sf-toast-warning-bg: rgba(245, 158, 11, 0.18);
    --sf-toast-warning-ring: rgba(245, 158, 11, 0.34);
    --sf-toast-info: #2563eb;
    --sf-toast-info-soft: #3b82f6;
    --sf-toast-info-bg: rgba(59, 130, 246, 0.14);
    --sf-toast-info-ring: rgba(59, 130, 246, 0.3);
    --sf-toast-loading: #6366f1;
    --sf-toast-loading-bg: rgba(99, 102, 241, 0.14);
    --sf-toast-loading-ring: rgba(99, 102, 241, 0.32);
    --sf-toast-brand: #6366f1;

    position: fixed;
    top: 24px;
    right: 24px;
    z-index: var(--sf-toast-z);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--sf-toast-gap);
    pointer-events: none;
    max-height: calc(100vh - 48px);
    overflow: visible;
    padding: 0;
    margin: 0;
    list-style: none;
}

[data-theme="dark"] .sf-toast-viewport,
.pr__dark .sf-toast-viewport,
body.site.pr__dark .sf-toast-viewport {
    --sf-toast-surface: rgba(22, 26, 42, 0.96);
    --sf-toast-border: rgba(255, 255, 255, 0.14);
    --sf-toast-ring: rgba(255, 255, 255, 0.08);
    --sf-toast-text: #f8fafc;
    --sf-toast-text-secondary: #cbd5e1;
    --sf-toast-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.08),
        0 8px 16px rgba(0, 0, 0, 0.28),
        0 20px 44px rgba(0, 0, 0, 0.38);
    --sf-toast-elevate: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.45));
    --sf-toast-blur: 20px;
}

body.site .sf-toast {
    font-family: var(--sf-toast-font-site);
}

.sf-toast-viewport.is-active {
    pointer-events: auto;
}

/* Stacking depth - older toasts recede slightly */
.sf-toast-viewport .sf-toast:nth-child(2) {
    transform: scale(0.985);
    opacity: 0.97;
}

.sf-toast-viewport .sf-toast:nth-child(n+3) {
    transform: scale(0.97);
    opacity: 0.92;
}

.sf-toast-viewport .sf-toast--enter,
.sf-toast-viewport .sf-toast--exit {
    transform: none;
    opacity: 1;
}

/* ── Toast card ───────────────────────────────────────────── */
.sf-toast {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 14px;
    width: var(--sf-toast-width);
    min-height: 72px;
    padding: 16px 16px 18px 18px;
    border-radius: var(--sf-toast-radius);
    background: var(--sf-toast-surface);
    border: 1px solid var(--sf-toast-border);
    box-shadow: var(--sf-toast-shadow), var(--sf-toast-glow);
    filter: var(--sf-toast-elevate);
    backdrop-filter: blur(var(--sf-toast-blur)) saturate(1.45);
    -webkit-backdrop-filter: blur(var(--sf-toast-blur)) saturate(1.45);
    isolation: isolate;
    color: var(--sf-toast-text);
    font-family: var(--sf-toast-font);
    font-size: 14px;
    line-height: 1.5;
    pointer-events: auto;
    overflow: hidden;
    transform-origin: top right;
    will-change: transform, opacity;
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.32s ease, box-shadow 0.25s ease;
}

.sf-toast::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, transparent 28%);
    pointer-events: none;
    opacity: 0.5;
}

.sf-toast::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--sf-toast-surface-tint);
    pointer-events: none;
    opacity: 1;
}

[data-theme="dark"] .sf-toast::before,
.pr__dark .sf-toast::before {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, transparent 48%);
    opacity: 1;
}

/* Type accents & glow - stronger on light backgrounds */
.sf-toast--success {
    border-color: rgba(16, 185, 129, 0.42);
    --sf-toast-glow: inset 4px 0 0 0 rgba(16, 185, 129, 0.55);
    --sf-toast-surface-tint: linear-gradient(105deg, rgba(16, 185, 129, 0.12) 0%, rgba(16, 185, 129, 0.03) 42%, transparent 62%);
    --sf-toast-elevate: drop-shadow(0 14px 36px rgba(16, 185, 129, 0.22)) drop-shadow(0 8px 20px rgba(15, 23, 42, 0.12));
}

.sf-toast--error {
    border-color: rgba(244, 63, 94, 0.45);
    --sf-toast-glow: inset 4px 0 0 0 rgba(244, 63, 94, 0.55);
    --sf-toast-surface-tint: linear-gradient(105deg, rgba(244, 63, 94, 0.12) 0%, rgba(244, 63, 94, 0.03) 42%, transparent 62%);
    --sf-toast-elevate: drop-shadow(0 14px 36px rgba(244, 63, 94, 0.2)) drop-shadow(0 8px 20px rgba(15, 23, 42, 0.12));
}

.sf-toast--warning {
    border-color: rgba(245, 158, 11, 0.48);
    --sf-toast-glow: inset 4px 0 0 0 rgba(245, 158, 11, 0.55);
    --sf-toast-surface-tint: linear-gradient(105deg, rgba(245, 158, 11, 0.14) 0%, rgba(245, 158, 11, 0.04) 42%, transparent 62%);
    --sf-toast-elevate: drop-shadow(0 14px 36px rgba(245, 158, 11, 0.18)) drop-shadow(0 8px 20px rgba(15, 23, 42, 0.12));
}

.sf-toast--info {
    border-color: rgba(59, 130, 246, 0.42);
    --sf-toast-glow: inset 4px 0 0 0 rgba(59, 130, 246, 0.5);
    --sf-toast-surface-tint: linear-gradient(105deg, rgba(59, 130, 246, 0.12) 0%, rgba(59, 130, 246, 0.03) 42%, transparent 62%);
    --sf-toast-elevate: drop-shadow(0 14px 36px rgba(59, 130, 246, 0.18)) drop-shadow(0 8px 20px rgba(15, 23, 42, 0.12));
}

.sf-toast--loading,
.sf-toast--confirm {
    border-color: rgba(99, 102, 241, 0.38);
    --sf-toast-glow: inset 4px 0 0 0 rgba(99, 102, 241, 0.5);
    --sf-toast-surface-tint: linear-gradient(105deg, rgba(99, 102, 241, 0.1) 0%, transparent 48%);
    --sf-toast-elevate: drop-shadow(0 14px 32px rgba(99, 102, 241, 0.16)) drop-shadow(0 8px 20px rgba(15, 23, 42, 0.12));
}

[data-theme="dark"] .sf-toast--success,
.pr__dark .sf-toast--success {
    border-color: rgba(16, 185, 129, 0.35);
}

[data-theme="dark"] .sf-toast--error,
.pr__dark .sf-toast--error {
    border-color: rgba(244, 63, 94, 0.35);
}

.sf-toast:hover {
    box-shadow: var(--sf-toast-shadow), var(--sf-toast-glow);
    filter: var(--sf-toast-elevate);
}

/* Left accent bar */
.sf-toast__accent {
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 4px;
    border-radius: 0 6px 6px 0;
    background: var(--sf-toast-brand);
    box-shadow: 0 0 12px currentColor;
    z-index: 2;
    opacity: 0.95;
}

.sf-toast--success .sf-toast__accent {
    background: linear-gradient(180deg, var(--sf-toast-success-soft), var(--sf-toast-success));
    color: var(--sf-toast-success-soft);
}

.sf-toast--error .sf-toast__accent {
    background: linear-gradient(180deg, var(--sf-toast-error-soft), var(--sf-toast-error));
    color: var(--sf-toast-error-soft);
}

.sf-toast--warning .sf-toast__accent {
    background: linear-gradient(180deg, var(--sf-toast-warning-soft), var(--sf-toast-warning));
    color: var(--sf-toast-warning-soft);
}

.sf-toast--info .sf-toast__accent {
    background: linear-gradient(180deg, var(--sf-toast-info-soft), var(--sf-toast-info));
    color: var(--sf-toast-info-soft);
}

.sf-toast--loading .sf-toast__accent,
.sf-toast--confirm .sf-toast__accent {
    background: linear-gradient(180deg, #818cf8, var(--sf-toast-loading));
    color: var(--sf-toast-loading);
}

/* Icon */
.sf-toast__icon-wrap {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-left: 8px;
    font-size: 18px;
    background: var(--sf-toast-loading-bg);
    color: var(--sf-toast-loading);
    border: 1px solid var(--sf-toast-loading-ring);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.12);
    transition: transform 0.28s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.sf-toast--success .sf-toast__icon-wrap {
    background: var(--sf-toast-success-bg);
    color: var(--sf-toast-success);
    border-color: var(--sf-toast-success-ring);
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.18);
}

.sf-toast--error .sf-toast__icon-wrap {
    background: var(--sf-toast-error-bg);
    color: var(--sf-toast-error);
    border-color: var(--sf-toast-error-ring);
    box-shadow: 0 2px 10px rgba(244, 63, 94, 0.2);
}

.sf-toast--warning .sf-toast__icon-wrap {
    background: var(--sf-toast-warning-bg);
    color: var(--sf-toast-warning);
    border-color: var(--sf-toast-warning-ring);
    box-shadow: 0 2px 10px rgba(245, 158, 11, 0.18);
}

.sf-toast--info .sf-toast__icon-wrap {
    background: var(--sf-toast-info-bg);
    color: var(--sf-toast-info);
    border-color: var(--sf-toast-info-ring);
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.18);
}

.sf-toast__body {
    position: relative;
    z-index: 2;
    min-width: 0;
    padding: 2px 4px 2px 0;
}

.sf-toast__title-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 4px;
}

.sf-toast__title {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--sf-toast-text);
}

.sf-toast--success .sf-toast__title { color: #065f46; }
.sf-toast--error .sf-toast__title { color: #9f1239; }
.sf-toast--warning .sf-toast__title { color: #92400e; }
.sf-toast--info .sf-toast__title { color: #1e40af; }

.sf-toast--success .sf-toast__message { color: #166534; }
.sf-toast--error .sf-toast__message { color: #9f1239; }
.sf-toast--warning .sf-toast__message { color: #a16207; }
.sf-toast--info .sf-toast__message { color: #1e3a8a; }

[data-theme="dark"] .sf-toast--success .sf-toast__title { color: #6ee7b7; }
[data-theme="dark"] .sf-toast--error .sf-toast__title { color: #fda4af; }
[data-theme="dark"] .sf-toast--warning .sf-toast__title { color: #fcd34d; }
[data-theme="dark"] .sf-toast--info .sf-toast__title { color: #93c5fd; }

[data-theme="dark"] .sf-toast--success .sf-toast__message,
[data-theme="dark"] .sf-toast--error .sf-toast__message,
[data-theme="dark"] .sf-toast--warning .sf-toast__message,
[data-theme="dark"] .sf-toast--info .sf-toast__message,
.pr__dark .sf-toast--success .sf-toast__message,
.pr__dark .sf-toast--error .sf-toast__message,
.pr__dark .sf-toast--warning .sf-toast__message,
.pr__dark .sf-toast--info .sf-toast__message {
    color: var(--sf-toast-text-secondary);
}

[data-theme="dark"] .sf-toast--success,
[data-theme="dark"] .sf-toast--error,
[data-theme="dark"] .sf-toast--warning,
[data-theme="dark"] .sf-toast--info,
[data-theme="dark"] .sf-toast--loading,
[data-theme="dark"] .sf-toast--confirm,
.pr__dark .sf-toast--success,
.pr__dark .sf-toast--error,
.pr__dark .sf-toast--warning,
.pr__dark .sf-toast--info,
.pr__dark .sf-toast--loading,
.pr__dark .sf-toast--confirm {
    --sf-toast-glow: none;
}

.sf-toast__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: rgba(99, 102, 241, 0.18);
    color: var(--sf-toast-brand);
    border: 1px solid rgba(99, 102, 241, 0.22);
}

.sf-toast__message {
    margin: 0;
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.55;
    color: var(--sf-toast-text-secondary);
    word-break: break-word;
}

/* Close */
.sf-toast__close {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    align-self: flex-start;
    width: 32px;
    height: 32px;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--sf-toast-border);
    border-radius: 10px;
    background: #f1f5f9;
    color: #64748b;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

[data-theme="dark"] .sf-toast__close,
.pr__dark .sf-toast__close {
    background: rgba(255, 255, 255, 0.06);
}

.sf-toast__close:hover {
    background: rgba(15, 23, 42, 0.08);
    border-color: rgba(15, 23, 42, 0.18);
    color: var(--sf-toast-text);
    transform: scale(1.04);
}

[data-theme="dark"] .sf-toast__close:hover,
.pr__dark .sf-toast__close:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.16);
}

.sf-toast__close:active {
    transform: scale(0.96);
}

/* Actions */
.sf-toast__actions {
    grid-column: 2 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    padding-left: 58px;
}

.sf-toast__btn {
    appearance: none;
    border: 1px solid var(--sf-toast-border);
    border-radius: 9px;
    padding: 7px 14px;
    font-size: 12.5px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.sf-toast__btn:hover {
    transform: translateY(-1px);
}

.sf-toast__btn--primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.sf-toast__btn--ghost {
    background: rgba(15, 23, 42, 0.04);
    color: var(--sf-toast-text-secondary);
}

/* Progress */
.sf-toast__progress {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: rgba(15, 23, 42, 0.08);
    z-index: 3;
    overflow: hidden;
}

[data-theme="dark"] .sf-toast__progress,
.pr__dark .sf-toast__progress {
    background: rgba(255, 255, 255, 0.08);
}

.sf-toast__progress-bar {
    height: 100%;
    width: 100%;
    transform-origin: left center;
    transform: scaleX(0);
    background: linear-gradient(90deg, var(--sf-toast-brand), #8b5cf6);
    opacity: 1;
    border-radius: 0 2px 2px 0;
}

.sf-toast--success .sf-toast__progress-bar {
    background: linear-gradient(90deg, var(--sf-toast-success-soft), var(--sf-toast-success));
}

.sf-toast--error .sf-toast__progress-bar {
    background: linear-gradient(90deg, var(--sf-toast-error-soft), var(--sf-toast-error));
}

.sf-toast--warning .sf-toast__progress-bar {
    background: linear-gradient(90deg, var(--sf-toast-warning-soft), var(--sf-toast-warning));
}

.sf-toast--info .sf-toast__progress-bar {
    background: linear-gradient(90deg, var(--sf-toast-info-soft), var(--sf-toast-info));
}

.sf-toast__progress-bar.is-running {
    animation: sf-toast-progress linear forwards;
}

.sf-toast__progress-bar.is-paused {
    animation-play-state: paused;
}

@keyframes sf-toast-progress {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

.sf-toast__spinner {
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(99, 102, 241, 0.22);
    border-top-color: var(--sf-toast-loading);
    border-radius: 50%;
    animation: sf-toast-spin 0.65s linear infinite;
}

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

/* Enter / exit */
.sf-toast--enter {
    animation: sf-toast-enter 0.52s cubic-bezier(0.22, 1.12, 0.36, 1) both;
}

.sf-toast--exit {
    animation: sf-toast-exit 0.34s cubic-bezier(0.4, 0, 0.8, 0.4) both;
}

@keyframes sf-toast-enter {
    0% {
        opacity: 0;
        transform: translateX(28px) translateY(-6px) scale(0.94);
    }
    65% {
        opacity: 1;
        transform: translateX(-4px) translateY(0) scale(1.01);
    }
    100% {
        opacity: 1;
        transform: translateX(0) translateY(0) scale(1);
    }
}

@keyframes sf-toast-exit {
    from {
        opacity: 1;
        transform: translateX(0) scale(1);
        max-height: 120px;
        margin-bottom: 0;
    }
    to {
        opacity: 0;
        transform: translateX(20px) scale(0.96);
        max-height: 0;
        margin-bottom: calc(-1 * var(--sf-toast-gap));
        padding-top: 0;
        padding-bottom: 0;
        min-height: 0;
    }
}

.sf-toast:hover .sf-toast__icon-wrap {
    transform: scale(1.05);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .sf-toast--enter,
    .sf-toast--exit,
    .sf-toast__progress-bar.is-running {
        animation: none !important;
    }

    .sf-toast-viewport .sf-toast:nth-child(n+2) {
        transform: none;
        opacity: 1;
    }

    .sf-toast__spinner {
        animation-duration: 1.2s;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .sf-toast-viewport {
        top: auto;
        bottom: 20px;
        right: 16px;
        left: 16px;
        align-items: stretch;
    }

    .sf-toast {
        width: 100%;
        min-height: 68px;
        transform-origin: bottom center;
    }

    @keyframes sf-toast-enter {
        0% {
            opacity: 0;
            transform: translateY(22px) scale(0.94);
        }
        65% {
            opacity: 1;
            transform: translateY(-3px) scale(1.01);
        }
        100% {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    @keyframes sf-toast-exit {
        from {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
        to {
            opacity: 0;
            transform: translateY(14px) scale(0.96);
        }
    }
}