/* ===============================
   SCOPED CSS VARIABLES (NO :ROOT)
================================ */
#ios-ui-toast-container,
.ios-ui-alert-overlay {
    --ios-ui-bg-color: #f2f2f7;
    --ios-ui-text-primary: #000;
    --ios-ui-alert-bg: rgba(255, 255, 255, 0.85);
    --ios-ui-alert-divider: rgba(60, 60, 67, 0.29);
    --ios-ui-btn-active: rgba(0, 0, 0, 0.05);
    
    --ios-ui-success: #34C759;
    --ios-ui-error: #FF3B30;
    --ios-ui-info: #007AFF;
    --ios-ui-warning: #FF9500;
    
    color-scheme: light dark;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
    #ios-ui-toast-container,
    .ios-ui-alert-overlay {
        --ios-ui-bg-color: #000000;
        --ios-ui-text-primary: #fff;
        --ios-ui-alert-bg: rgba(30, 30, 30, 0.75);
        --ios-ui-alert-divider: rgba(84, 84, 88, 0.65);
        --ios-ui-btn-active: rgba(255, 255, 255, 0.1);
    }
}

/* ===============================
   TOAST CONTAINER & ANIMATIONS
================================ */
#ios-ui-toast-container {
    position: fixed;
    top: max(20px, env(safe-area-inset-top));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: end;
    gap: 10px;
    z-index: 99999;
    pointer-events: none;
    width: 100%;
}

.ios-ui-toast {
    width: 90%;
    max-width: 380px;
    background: var(--ios-ui-alert-bg);
    color: var(--ios-ui-text-primary);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
    transform: translateY(-50px) scale(0.9);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
    pointer-events: auto;
    border: 0.5px solid var(--ios-ui-alert-divider);
}

.ios-ui-toast.ios-ui-show {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.ios-ui-toast-content {
    display: flex;
    align-items: center;
    padding: 16px;
}

.ios-ui-toast-icon {
    width: 24px;
    height: 24px;
    margin-right: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Icon Background Colors */
.ios-ui-toast.ios-ui-success .ios-ui-toast-icon { color: var(--ios-ui-success); }
.ios-ui-toast.ios-ui-error .ios-ui-toast-icon { color: var(--ios-ui-error); }
.ios-ui-toast.ios-ui-info .ios-ui-toast-icon { color: var(--ios-ui-info); }
.ios-ui-toast.ios-ui-warning .ios-ui-toast-icon { color: var(--ios-ui-warning); }

.ios-ui-toast-icon svg { width: 24px; height: 24px; fill: currentColor; }

.ios-ui-toast-message {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.3;
}

.ios-ui-toast-close {
    cursor: pointer;
    font-size: 20px;
    color: var(--ios-ui-text-primary);
    opacity: 0.4;
    padding: 0 4px;
    transition: opacity 0.2s;
}
.ios-ui-toast-close:hover { opacity: 0.8; }

.ios-ui-toast-progress {
    height: 3px;
    width: 100%;
    background: transparent;
    position: absolute;
    bottom: 0;
    left: 0;
}

.ios-ui-toast-progress-bar {
    height: 100%;
    width: 100%;
    border-radius: 0 0 0 20px;
}
.ios-ui-toast.ios-ui-success .ios-ui-toast-progress-bar { background: var(--ios-ui-success); }
.ios-ui-toast.ios-ui-error .ios-ui-toast-progress-bar { background: var(--ios-ui-error); }
.ios-ui-toast.ios-ui-info .ios-ui-toast-progress-bar { background: var(--ios-ui-info); }
.ios-ui-toast.ios-ui-warning .ios-ui-toast-progress-bar { background: var(--ios-ui-warning); }

/* ===============================
   IOS ALERT MODAL
================================ */
.ios-ui-alert-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.ios-ui-alert-overlay.ios-ui-active {
    opacity: 1;
    visibility: visible;
}

.ios-ui-alert-box {
    width: 270px;
    background: var(--ios-ui-alert-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-radius: 14px;
    text-align: center;
    transform: scale(1.15);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.ios-ui-alert-overlay.ios-ui-active .ios-ui-alert-box {
    transform: scale(1);
    opacity: 1;
}

.ios-ui-alert-content {
    padding: 20px 16px;
}

.ios-ui-alert-box h3 {
    font-size: 17px !important;
    font-weight: 600;
    margin: 0 0 4px 0;
    color: var(--ios-ui-text-primary);
    letter-spacing: -0.4px;
}

.ios-ui-alert-box p {
    font-size: 13px;
    font-weight: 400;
    margin: 0;
    color: var(--ios-ui-text-primary);
    line-height: 1.35;
    letter-spacing: -0.1px;
}

.ios-ui-alert-actions {
    display: flex;
    border-top: 0.5px solid var(--ios-ui-alert-divider);
}

.ios-ui-alert-actions button {
    flex: 1;
    padding: 12px;
    border: none;
    background: transparent;
    font-size: 17px;
    color: var(--ios-ui-info);
    cursor: pointer;
    margin: 0;
    transition: background 0.2s;
}

.ios-ui-alert-actions button:active {
    background: var(--ios-ui-btn-active);
}

#ios-ui-alert-cancel {
    border-right: 0.5px solid var(--ios-ui-alert-divider);
    font-weight: 400;
}

#ios-ui-alert-confirm {
    font-weight: 600;
}