:root {
    --glass-radius: 16px;
    --glass-blur: 8px;
    --glass-surface-bg: rgba(255, 255, 255, 0.7);
    --glass-surface-border: rgba(255, 255, 255, 0.4);
    --glass-surface-shadow: 0 16px 32px rgba(9, 30, 66, 0.12);
    --glass-input-bg: rgba(255, 255, 255, 0.78);
    --glass-input-border: rgba(255, 255, 255, 0.6);
    --glass-button-bg: rgba(255, 255, 255, 0.74);
    --glass-button-border: rgba(255, 255, 255, 0.6);
    --glass-button-text: #082a45;
    --glass-button-primary-bg: rgba(0, 86, 145, 0.88);
    --glass-button-primary-text: #ffffff;
    --glass-text: #082a45;
    --glass-fallback-bg: rgba(236, 244, 252, 0.98);
    --glass-focus: rgba(0, 86, 145, 0.7);
}


[data-glass="tinted"] {
    --glass-surface-bg: rgba(8, 78, 130, 0.12);
    --glass-surface-border: rgba(8, 78, 130, 0.20);
    --glass-input-bg: rgba(8, 78, 130, 0.10);
    --glass-input-border: rgba(8, 78, 130, 0.18);
    --glass-button-bg: rgba(8, 78, 130, 0.12);
    --glass-button-border: rgba(8, 78, 130, 0.20);
    --glass-button-text: #082a45;
    --glass-button-primary-bg: rgba(0, 86, 145, 0.85);
    --glass-button-primary-text: #ffffff;
    --glass-text: #082a45;
    --glass-fallback-bg: rgba(214, 230, 245, 0.98);
    --glass-focus: rgba(0, 86, 145, 0.60);
}

.glass-surface {
    background: var(--glass-surface-bg);
    border: 1px solid var(--glass-surface-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-surface-shadow);
    color: var(--glass-text);
    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
}

.glass-input {
    background: var(--glass-input-bg);
    border: 1px solid var(--glass-input-border);
    border-radius: 12px;
    color: var(--glass-text);
    padding: 10px 14px;
    backdrop-filter: blur(calc(var(--glass-blur) - 4px)) saturate(140%);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) - 4px)) saturate(140%);
}

.glass-input:focus-visible {
    outline: 2px solid var(--glass-focus);
    outline-offset: 2px;
}

.glass-button {
    background: var(--glass-button-bg);
    border: 1px solid var(--glass-button-border);
    color: var(--glass-button-text);
    border-radius: 999px;
    padding: 10px 18px;
    cursor: pointer;
    backdrop-filter: blur(calc(var(--glass-blur) - 2px)) saturate(140%);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) - 2px)) saturate(140%);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.glass-button.primary {
    background: var(--glass-button-primary-bg);
    color: var(--glass-button-primary-text);
    border-color: transparent;
}

.glass-button:focus-visible {
    outline: 2px solid var(--glass-focus);
    outline-offset: 2px;
}

.firebase-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--glass-button-border);
    background: var(--glass-button-bg);
    color: var(--glass-text);
    backdrop-filter: blur(calc(var(--glass-blur) - 2px)) saturate(140%);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) - 2px)) saturate(140%);
    box-shadow: 0 10px 22px rgba(9, 30, 66, 0.12);
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
}

.firebase-status .dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #8E8E93;
    box-shadow: 0 0 0 3px rgba(142, 142, 147, 0.18);
}

.firebase-status[data-state="ok"] .dot {
    background: #6BCFA3;
    box-shadow: 0 0 0 3px rgba(107, 207, 163, 0.18);
}

.firebase-status[data-state="warn"] .dot {
    background: #FF9500;
    box-shadow: 0 0 0 3px rgba(255, 149, 0, 0.18);
}

.firebase-status[data-state="error"] .dot {
    background: #F28B8B;
    box-shadow: 0 0 0 3px rgba(242, 139, 139, 0.18);
}

#glass-toggle {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 10000;
    padding: 8px 12px;
    font-size: 12px;
    border-radius: 999px;
    border: 1px solid var(--glass-button-border);
    background: var(--glass-button-bg);
    color: var(--glass-button-text);
    backdrop-filter: blur(calc(var(--glass-blur) - 2px)) saturate(140%);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) - 2px)) saturate(140%);
    cursor: pointer;
}

#glass-toggle:focus-visible {
    outline: 2px solid var(--glass-focus);
    outline-offset: 2px;
}

/* Toast System */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
    pointer-events: none; /* Allow clicks to pass through container */
}

.toast {
    pointer-events: auto;
    min-width: 300px;
    max-width: 400px;
    padding: 16px;
    border-radius: 12px;
    background: var(--glass-surface-bg);
    border: 1px solid var(--glass-surface-border);
    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    box-shadow: var(--glass-surface-shadow);
    color: var(--glass-text);
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: toast-in 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

.toast.hiding {
    animation: toast-out 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.toast-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.toast-message {
    opacity: 0.9;
    font-size: 0.9rem;
    line-height: 1.4;
}

.toast.error {
    border-left: 4px solid #ef4444;
}
.toast.error .toast-icon { color: #ef4444; }

.toast.success {
    border-left: 4px solid #22c55e;
}
.toast.success .toast-icon { color: #22c55e; }

.toast.info {
    border-left: 4px solid #3b82f6;
}
.toast.info .toast-icon { color: #3b82f6; }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toast-out {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(20px) scale(0.95); }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .glass-surface,
    .glass-input,
    .glass-button,
    #glass-toggle,
    .toast {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: var(--glass-fallback-bg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .glass-button,
    #glass-toggle,
    .toast {
        transition: none;
        animation: none;
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 480px) {
    #toast-container {
        left: 12px;
        right: 12px;
        bottom: 12px;
    }

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

    #glass-toggle {
        bottom: 68px;
    }
}