/* ==========================================================================
   Sonner Toast Notification System - UniTRS Design System
   Sleek dark glassmorphism stackable toast alerts
   ========================================================================== */

:root {
    --sonner-bg: rgba(15, 25, 42, 0.92);
    --sonner-border: rgba(255, 255, 255, 0.12);
    --sonner-text: #f8fafc;
    --sonner-muted: #94a3b8;
    --sonner-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.sonner-toaster {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
    max-width: 420px;
    width: 100%;
}

@media (max-width: 576px) {
    .sonner-toaster {
        top: 1rem;
        left: 1rem;
        right: 1rem;
        width: auto;
        max-width: none;
    }
}

.sonner-toast {
    pointer-events: auto;
    background: var(--sonner-bg);
    border: 1px solid var(--sonner-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 0.95rem 1.15rem;
    box-shadow: var(--sonner-shadow);
    color: var(--sonner-text);
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    position: relative;
    overflow: hidden;
    transform-origin: top right;
    animation: sonnerSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sonner-toast.sonner-leaving {
    animation: sonnerSlideOut 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes sonnerSlideIn {
    0% {
        opacity: 0;
        transform: translateY(-16px) scale(0.94);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes sonnerSlideOut {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-12px) scale(0.92);
    }
}

.sonner-icon-wrap {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    margin-top: 1px;
}

/* Variant Styling */
.sonner-toast.sonner-error {
    border-color: rgba(239, 68, 68, 0.3);
}
.sonner-toast.sonner-error .sonner-icon-wrap {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.35);
}

.sonner-toast.sonner-success {
    border-color: rgba(16, 185, 129, 0.3);
}
.sonner-toast.sonner-success .sonner-icon-wrap {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.35);
}

.sonner-toast.sonner-info {
    border-color: rgba(6, 182, 212, 0.3);
}
.sonner-toast.sonner-info .sonner-icon-wrap {
    background: rgba(6, 182, 212, 0.15);
    color: #06b6d4;
    box-shadow: 0 0 16px rgba(6, 182, 212, 0.35);
}

.sonner-toast.sonner-warning {
    border-color: rgba(245, 158, 11, 0.3);
}
.sonner-toast.sonner-warning .sonner-icon-wrap {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    box-shadow: 0 0 16px rgba(245, 158, 11, 0.35);
}

.sonner-content {
    flex-grow: 1;
    min-width: 0;
}

.sonner-title {
    font-weight: 600;
    font-size: 0.92rem;
    line-height: 1.35;
    margin-bottom: 0.2rem;
    color: #ffffff;
}

.sonner-description {
    font-size: 0.82rem;
    color: var(--sonner-muted);
    line-height: 1.45;
    word-break: break-word;
}

.sonner-close-btn {
    flex-shrink: 0;
    background: transparent;
    border: none;
    color: var(--sonner-muted);
    opacity: 0.7;
    cursor: pointer;
    font-size: 1rem;
    padding: 2px 4px;
    line-height: 1;
    border-radius: 6px;
    transition: all 0.15s ease;
    margin-top: 2px;
}

.sonner-close-btn:hover {
    color: #ffffff;
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

.sonner-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #4facfe, #00f2fe);
    width: 100%;
    transform-origin: left;
    animation: sonnerProgress linear forwards;
}

.sonner-toast.sonner-error .sonner-progress-bar {
    background: #ef4444;
}

.sonner-toast.sonner-success .sonner-progress-bar {
    background: #10b981;
}

.sonner-toast.sonner-warning .sonner-progress-bar {
    background: #f59e0b;
}

@keyframes sonnerProgress {
    0% {
        transform: scaleX(1);
    }
    100% {
        transform: scaleX(0);
    }
}