/* ===== Global Loader ===== */
#gt-loader-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background: var(--gt-loader-overlay);
    display: none;
    z-index: 9999;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

#gt-loader-overlay.active {
    display: grid;
    place-items: center;
}

.gt-loader-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 0;
    padding: 0;
    max-width: min(88vw, 300px);
    transform: translateZ(0);
}

.gt-spinner {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    margin: 0;
    border-radius: 50%;
    box-sizing: border-box;
    background: conic-gradient(
        from 0deg,
        var(--gt-loader-ring-a, var(--gt-primary)) 0deg,
        var(--gt-loader-ring-b, var(--gt-accent)) 140deg,
        var(--gt-loader-ring-track, rgba(255, 255, 255, 0.2)) 140deg,
        var(--gt-loader-ring-track, rgba(255, 255, 255, 0.2)) 360deg
    );
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 4px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 4px));
    animation: gt-spin 0.85s linear infinite;
    will-change: transform;
}

.gt-loader-text {
    color: #fff;
    margin: 0;
    font-size: 0.9rem;
    text-align: center;
    line-height: 1.45;
    width: 100%;
}

body.gt-loader-active {
    overflow: hidden;
}

@keyframes gt-spin { to { transform: rotate(360deg); } }

/* Inline / DataTable spinner — compact dual-tone ring */
.dt-loading .gt-spinner {
    width: 1.25rem;
    height: 1.25rem;
    display: inline-block;
    vertical-align: middle;
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px));
}

/* ===== Toast Container ===== */
#gt-toast-container {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 380px;
}

.gt-toast {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: var(--gt-toast-bg);
    border: 1px solid var(--gt-toast-border);
    border-radius: var(--gt-radius);
    box-shadow: var(--gt-shadow-lg);
    animation: gt-slide-in 0.3s ease;
    border-left: 4px solid var(--gt-primary);
}

.gt-toast.success { border-left-color: var(--gt-success); }
.gt-toast.error { border-left-color: var(--gt-danger); }
.gt-toast.warning { border-left-color: var(--gt-warning); }
.gt-toast.info { border-left-color: var(--gt-info); }

.gt-toast-close {
    background: none;
    border: none;
    color: var(--gt-text-muted);
    cursor: pointer;
    padding: 0;
    margin-left: auto;
    font-size: 1.1rem;
    line-height: 1;
}

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

/* ===== Theme Toggle ===== */
.gt-theme-toggle {
    background: transparent;
    border: 1px solid var(--gt-border);
    border-radius: var(--gt-radius);
    padding: 0.35rem 0.6rem;
    color: var(--gt-text-muted);
    cursor: pointer;
    transition: all var(--gt-transition);
}

.gt-theme-toggle:hover {
    border-color: var(--gt-primary);
    color: var(--gt-primary);
}