/* ==========================================================================
    1. TOAST CONTAINERS (Positioning & Stacking)
========================================================================== */
.cb-toast-container {
    position: fixed;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
    box-sizing: border-box;
    padding: 20px;
}

/* Unique Corner Anchors - Prevents collisions with compiled Bootstrap */
.cb-toast-container.cb-toast-top-right    { top: 0; right: 0; align-items: flex-end; }
.cb-toast-container.cb-toast-top-left     { top: 0; left: 0; align-items: flex-start; }
.cb-toast-container.cb-toast-bottom-right { bottom: 0; right: 0; align-items: flex-end; flex-direction: column-reverse; }
.cb-toast-container.cb-toast-bottom-left  { bottom: 0; left: 0; align-items: flex-start; flex-direction: column-reverse; }

/* Unique Center Layout */
.cb-toast-container.cb-toast-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
    2. THE TOAST COMPONENT
========================================================================== */
.cb-toast {
    /* Bootstrap 5.3 Dark Palette Defaults */
    --toast-bg: #212529;          
    --toast-color: #dee2e6;       
    --toast-border-rgba: rgba(255, 255, 255, 0.15);
    --close-opacity: 0.5;
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);

    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    pointer-events: auto;
    width: 350px;
    max-width: calc(100vw - 40px);
    background-color: var(--toast-bg);
    color: var(--toast-color);
    padding: 12px 16px;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    
    /* Animation State */
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28), 
                opacity 0.3s ease;
}

/* Light Mode Overrides */
.cb-toast[data-theme="light"] {
    --toast-bg: #ffffff;          
    --toast-color: #212529;       
    --toast-border-rgba: rgba(0, 0, 0, 0.175);
    --close-opacity: 0.5;
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Entrance Animations linked to unique position classes */
.cb-toast-container.cb-toast-top-right .cb-toast,
.cb-toast-container.cb-toast-bottom-right .cb-toast { transform: translateX(110%); }
.cb-toast-container.cb-toast-top-left .cb-toast,
.cb-toast-container.cb-toast-bottom-left .cb-toast { transform: translateX(-110%); }
.cb-toast-container.cb-toast-center .cb-toast { transform: scale(0.8); }

/* Unique 'show' class to avoid Bootstrap conflicts */
.cb-toast-container.cb-toast-top-right .cb-toast.cb-toast-show,
.cb-toast-container.cb-toast-top-left .cb-toast.cb-toast-show,
.cb-toast-container.cb-toast-bottom-right .cb-toast.cb-toast-show,
.cb-toast-container.cb-toast-bottom-left .cb-toast.cb-toast-show,
.cb-toast-container.cb-toast-center .cb-toast.cb-toast-show {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* ==========================================================================
    3. HEADER & BODY STRUCTURE
========================================================================== */
.cb-toast-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 8px;
    position: relative;
}

.cb-toast-title-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cb-toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: inherit;
}

.cb-toast-icon svg {
    display: block;
}

.cb-toast-title { 
    font-size: 0.95rem; 
    font-weight: 700; 
    color: var(--toast-color); 
    margin: 0;
    line-height: 1;
}

.cb-toast-body { 
    font-size: 0.875rem; 
    line-height: 1.5; 
    color: var(--toast-color); 
    padding-top: 10px;
    border-top: 3px solid var(--toast-border-rgba);
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center; 
    gap: 12px;
}

.cb-toast-content {
    flex: 1;
}

/* ==========================================================================
    4. PROGRESS BAR (The Runner)
========================================================================== */
.cb-toast-body::after {
    content: '';
    position: absolute;
    top: -3px; 
    left: 0;
    height: 3px; 
    width: 100%; 
    z-index: 1;
    transform-origin: left;
    transform: scaleX(var(--progress, 1));
    transition: none; 
    pointer-events: none;
    background-color: transparent; 
}

/* Unique state class for progress animation */
.cb-toast.cb-toast-shrinking .cb-toast-body::after {
    transform: scaleX(0);
    transition: transform var(--duration, 0ms) linear;
}

/* ==========================================================================
    5. CLOSE BUTTON
========================================================================== */
.cb-toast-close-btn {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: inherit;
    opacity: var(--close-opacity);
    transition: opacity 0.2s ease, transform 0.3s ease;
    flex-shrink: 0; 
}

.cb-toast-close-btn:hover {
    opacity: 1;
    transform: rotate(90deg);
}

/* ==========================================================================
    6. COLOR THEMES & BORDERS
========================================================================== */

/* Coloured borders (fixes invisible borders in compiled BS projects) */
.cb-toast.cb-toast-info    { border-color: #0dcaf0; }
.cb-toast.cb-toast-success { border-color: #198754; }
.cb-toast.cb-toast-warning { border-color: #ffc107; }
.cb-toast.cb-toast-error   { border-color: #dc3545; }
.cb-toast.cb-toast-default { border-color: #6c757d; }

/* Progress Bar Colors - Default */
.cb-toast-default .cb-toast-body::after { background-color: #6c757d; }
.cb-toast-success .cb-toast-body::after { background-color: #198754; }
.cb-toast-error   .cb-toast-body::after { background-color: #dc3545; }
.cb-toast-warning .cb-toast-body::after { background-color: #ffc107; }
.cb-toast-info    .cb-toast-body::after { background-color: #0dcaf0; }

/* Progress Bar Colors - BS5 Variable Overrides */
.cb-toast-bs5.cb-toast-default .cb-toast-body::after { background-color: var(--bs-primary, #6c757d); }
.cb-toast-bs5.cb-toast-success .cb-toast-body::after { background-color: var(--bs-success, #198754); }
.cb-toast-bs5.cb-toast-error   .cb-toast-body::after { background-color: var(--bs-danger, #dc3545); }
.cb-toast-bs5.cb-toast-warning .cb-toast-body::after { background-color: var(--bs-warning, #ffc107); }
.cb-toast-bs5.cb-toast-info    .cb-toast-body::after { background-color: var(--bs-info, #0dcaf0); }