/*
 * Toast Notification System
 * Modern, non-intrusive notifications
 */

/* ===== Toast Container ===== */
.toast-container {
    position: fixed;
    top: var(--space-6, 1.5rem);
    right: var(--space-6, 1.5rem);
    z-index: var(--z-toast, 99999);
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 0.75rem);
    pointer-events: none;
}

/* ===== Toast Base ===== */
.toast {
    min-width: 320px;
    max-width: 420px;
    background: var(--color-white, #ffffff);
    border-radius: var(--radius-lg, 0.5rem);
    box-shadow: var(--shadow-2xl, 0 25px 50px -12px rgba(0, 0, 0, 0.25));
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, 0.75rem);
    padding: var(--space-4, 1rem);
    pointer-events: auto;
    position: relative;
    overflow: hidden;
    animation: toastSlideIn 0.3s ease-out;
}

.toast.toast-exit {
    animation: toastSlideOut 0.3s ease-out forwards;
}

/* ===== Toast Icon ===== */
.toast-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md, 0.375rem);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ===== Toast Content ===== */
.toast-content {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-text-primary, #1f2937);
    margin-bottom: var(--space-1, 0.25rem);
}

.toast-message {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-secondary, #6b7280);
    line-height: var(--line-height-normal, 1.5);
}

.toast-message p {
    margin: 0;
}

/* ===== Toast Close Button ===== */
.toast-close {
    position: absolute;
    top: var(--space-3, 0.75rem);
    right: var(--space-3, 0.75rem);
    background: transparent;
    border: none;
    color: var(--color-text-muted, #9ca3af);
    cursor: pointer;
    padding: var(--space-1, 0.25rem);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm, 0.25rem);
    transition: all var(--transition-fast, 0.15s ease);
    font-size: 1rem;
}

.toast-close:hover {
    background: var(--color-bg-secondary, #f3f4f6);
    color: var(--color-text-primary, #1f2937);
}

/* ===== Progress Bar ===== */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.toast-progress-bar {
    height: 100%;
    background: currentColor;
    animation: toastProgress 5s linear forwards;
}

/* ===== Toast Variants ===== */

/* Success Toast */
.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-success .toast-icon {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
    color: var(--color-white);
}

.toast-success .toast-progress-bar {
    background: var(--color-success);
}

/* Error/Danger Toast */
.toast-error,
.toast-danger {
    border-left: 4px solid var(--color-danger);
}

.toast-error .toast-icon,
.toast-danger .toast-icon {
    background: linear-gradient(135deg, var(--color-danger) 0%, #c53030 100%);
    color: var(--color-white);
}

.toast-error .toast-progress-bar,
.toast-danger .toast-progress-bar {
    background: var(--color-danger);
}

/* Warning Toast */
.toast-warning {
    border-left: 4px solid var(--color-warning);
}

.toast-warning .toast-icon {
    background: linear-gradient(135deg, var(--color-warning) 0%, #d97706 100%);
    color: var(--color-white);
}

.toast-warning .toast-progress-bar {
    background: var(--color-warning);
}

/* Info Toast */
.toast-info {
    border-left: 4px solid var(--color-info);
}

.toast-info .toast-icon {
    background: linear-gradient(135deg, var(--color-info) 0%, #0284c7 100%);
    color: var(--color-white);
}

.toast-info .toast-progress-bar {
    background: var(--color-info);
}

/* Primary Toast */
.toast-primary {
    border-left: 4px solid var(--color-primary-start);
}

.toast-primary .toast-icon {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.toast-primary .toast-progress-bar {
    background: var(--color-primary-start);
}

/* ===== Toast with Actions ===== */
.toast-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.toast-action-btn {
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-secondary);
}

.toast-action-btn:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.toast-action-btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
}

.toast-action-btn-primary:hover {
    opacity: 0.9;
}

/* ===== Compact Toast ===== */
.toast-compact {
    padding: var(--space-3);
    min-width: 280px;
}

.toast-compact .toast-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
}

.toast-compact .toast-title {
    font-size: 0.875rem;
}

.toast-compact .toast-message {
    font-size: 0.75rem;
}

/* ===== Animations ===== */
@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

@keyframes toastProgress {
    from {
        width: 100%;
    }
    to {
        width: 0%;
    }
}

/* ===== Bottom Position ===== */
.toast-container-bottom {
    top: auto;
    bottom: var(--space-6);
}

.toast-container-bottom .toast {
    animation: toastSlideUp 0.3s ease-out;
}

.toast-container-bottom .toast.toast-exit {
    animation: toastSlideDown 0.3s ease-out forwards;
}

@keyframes toastSlideUp {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toastSlideDown {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(100%);
    }
}

/* ===== Left Position ===== */
.toast-container-left {
    left: var(--space-6);
    right: auto;
}

.toast-container-left .toast {
    animation: toastSlideInLeft 0.3s ease-out;
}

.toast-container-left .toast.toast-exit {
    animation: toastSlideOutLeft 0.3s ease-out forwards;
}

@keyframes toastSlideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOutLeft {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-100%);
    }
}

/* ===== Center Position ===== */
.toast-container-center {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
    .toast-container {
        top: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
        max-width: calc(100% - var(--space-8));
    }

    .toast {
        min-width: 100%;
        max-width: 100%;
    }

    .toast-container-left {
        left: var(--space-4);
    }

    .toast-container-center {
        left: var(--space-4);
        right: var(--space-4);
        transform: none;
    }
}

/* ===== Stacked Toasts ===== */
.toast-container .toast:not(:last-child) {
    margin-bottom: var(--space-3);
}

/* Limit visible toasts */
.toast-container .toast:nth-child(n+4) {
    opacity: 0;
    pointer-events: none;
    display: none;
}

/* ===== Reduced Motion Support ===== */
@media (prefers-reduced-motion: reduce) {
    .toast {
        animation: fadeIn 0.2s ease-out;
    }

    .toast.toast-exit {
        animation: fadeOut 0.2s ease-out forwards;
    }

    .toast-progress-bar {
        animation: none;
    }
}