:root {
    --btn-shine-color: var(--white-shine, rgba(255, 255, 255, 0.2));
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    --radius-pill: 500px;
}

.btn-shine,
.pill-btn,
.pill-save-btn,
.pill-toggle-btn,
.app-modal-btn-primary,
.app-modal-btn-danger,
.settings-btn-primary {
    position: relative;
    overflow: hidden;
    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, var(--btn-shine-color), transparent);
        transition: left 0.5s;
    }
    &:hover::before {
        left: 100%;
    }
}

.btn-shine--accent {
    --btn-shine-color: var(--accent-shadow-light);
}

.action-btn:disabled,
.action-btn.disabled,
.data-grid-mobile-action-btn:disabled,
.data-grid-mobile-action-btn.disabled {
    cursor: not-allowed;
    opacity: 0.6;
    color: var(--white);
    background: var(--gradient-accent);
    box-shadow: none;

    &:hover {
        background: var(--gradient-accent);
        color: var(--white);
    }
}

.data-grid-mobile-action-btn:disabled,
.data-grid-mobile-action-btn.disabled {
    border-color: transparent;

    i {
        color: var(--white);
    }
}

.action-btn {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 13px;
    text-align: center;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--white);
    padding: 0 20px;
    border: none;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 500px;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 3px 10px var(--accent-border), 0 1px 3px var(--shadow-card);
    &:hover {
        background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
        color: var(--white);
        box-shadow: 0 5px 15px var(--accent-shadow-soft), 0 2px 5px var(--shadow-card);
        text-decoration: none;
    }
    &:active,
    &.action-btn-pressed {
        box-shadow: inset 0 2px 4px var(--shadow-stronger), 0 1px 2px var(--shadow-card);
        opacity: 0.9;
        outline: none;
    }
    &:active {
        background: linear-gradient(135deg, var(--accent-shade) 0%, var(--accent-shade-2) 100%);
    }
    &:focus {
        background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
        color: var(--white);
        outline: none;
        box-shadow: 0 3px 10px var(--accent-border), 0 0 0 3px var(--accent-border);
    }
    &.btn-outline-danger {
        background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%);
        color: var(--white);
        border: none;
        box-shadow: 0 3px 10px var(--danger-shadow), 0 1px 3px var(--shadow-card);
        &:hover {
            background: linear-gradient(135deg, var(--danger-hover) 0%, var(--danger) 100%);
            color: var(--white);
            box-shadow: 0 5px 15px var(--danger-shadow), 0 2px 5px var(--shadow-card);
        }
        &:active {
            background: linear-gradient(135deg, var(--danger-darker) 0%, var(--danger-darkest) 100%);
        }
        &:focus {
            background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%);
            color: var(--white);
            outline: none;
            box-shadow: 0 3px 10px var(--danger-shadow), 0 0 0 3px var(--danger-shadow);
        }
    }
    &.action-btn-pressed {
        box-shadow: inset 0 2px 4px var(--shadow-stronger), 0 1px 2px var(--shadow-card);
        opacity: 0.9;
    }
    &.action-btn-loading {
        pointer-events: none;
        cursor: default;
        background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%) !important;
        color: var(--white) !important;
        border: none !important;
        outline: none !important;
        box-shadow: 0 3px 10px var(--accent-border), 0 1px 3px var(--shadow-card) !important;
        opacity: 0.9;
        .action-btn-spinner {
            margin-left: 0.5em;
        }
        &.btn-outline-danger {
            background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%) !important;
            box-shadow: 0 3px 10px var(--danger-shadow), 0 1px 3px var(--shadow-card) !important;
        }
    }
}

.pill-btn,
.pill-save-btn,
.pill-toggle-btn,
.app-modal-btn-primary,
.app-modal-btn-danger,
.settings-btn-primary {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-pill);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    &::before {
        background: linear-gradient(90deg, transparent, var(--btn-shine-color, var(--white-shine, rgba(255, 255, 255, 0.2))), transparent);
    }
    & i {
        transition: transform 0.3s ease;
    }
}

.pill-btn {
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0 24px;
    height: 42px;
    border: none;
    white-space: nowrap;
    box-shadow: 0 4px 12px var(--accent-shadow-soft), 0 2px 4px var(--shadow-card);
    &:hover {
        background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
        box-shadow: 0 6px 20px var(--accent-shadow-focus), 0 4px 8px var(--shadow-strong);
    }
    &:focus {
        outline: none;
        box-shadow: 0 4px 12px var(--accent-shadow-soft), 0 0 0 3px var(--accent-border);
    }
    &.danger {
        background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%);
        &:hover {
            background: linear-gradient(135deg, var(--danger-hover) 0%, var(--danger) 100%);
            box-shadow: 0 6px 20px var(--danger-shadow), 0 4px 8px var(--shadow-strong);
        }
        &:focus {
            box-shadow: 0 4px 12px var(--danger-shadow), 0 0 0 3px var(--danger-shadow);
        }
    }
}

.btn-group .pill-btn:first-child,
.btn-group .pill-btn.dropdown-toggle:not(.dropdown-toggle-split) {
    border-radius: var(--radius-pill);
}

.btn-group .pill-btn:only-child {
    border-radius: var(--radius-pill) !important;
}

.btn-group .pill-btn.dropdown-toggle:not(.dropdown-toggle-split) {
    width: 220px;
    min-width: 220px;
    padding-right: 36px;
}

.btn-group .pill-btn .pill-btn-caret {
    position: absolute;
    right: 14px;
    transition: transform 0.2s ease;
}

.btn-group.show .pill-btn .pill-btn-caret,
.btn-group .pill-btn[aria-expanded="true"] .pill-btn-caret {
    transform: rotate(180deg);
}

.btn-group .pill-btn.dropdown-toggle::after {
    display: none !important;
}

.btn-group .pill-btn.dropdown-toggle-split {
    padding: 0 14px;
    border-left: 1px solid var(--white-overlay);
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
    &:hover, &:focus {
        background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
        border-left-color: var(--white-overlay);
    }
}

.app-dropdown:not(.topbar-account-menu) .pill-btn {
    background: var(--white);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: none;
    padding: 0 36px 0 24px;
    gap: 8px;
    &::before {
        display: none;
    }
    &:hover {
        background: var(--white);
        border-color: var(--accent);
        color: var(--accent);
        box-shadow: none;
    }
}

.pill-action-btn,
.pledge-action-item {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 8px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-sans);
    & i {
        margin-right: 8px;
        color: var(--accent);
    }
    &:hover {
        border-color: var(--accent);
        color: var(--accent);
    }
    &.danger {
        color: var(--danger);
        & i { color: var(--danger); }
        &:hover {
            border-color: var(--danger);
            color: var(--danger);
        }
    }
}

.pledge-action-item {
    min-width: 220px;
    min-height: 42px;
    height: 42px;
    padding: 0 24px;
    margin-left: 0;
    margin-right: 0;
    box-sizing: border-box;
}

.btn-group .dropdown-menu .pledge-action-item {
    min-width: 220px;
    min-height: 42px;
    height: 42px;
    padding: 0 24px;
    justify-content: flex-start;
    margin-left: 0;
    margin-right: 0;
    box-sizing: border-box;
}

.pill-save-btn {
    gap: 6px;
    padding: 0 12px;
    height: 40px;
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    white-space: nowrap;
    box-shadow: 0 4px 12px var(--accent-shadow-soft), 0 2px 4px var(--shadow-card);
    min-width: 0;
    max-width: 100%;
    text-overflow: ellipsis;
    & i { flex-shrink: 0; font-size: 14px; }
    & span {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        min-width: 0;
        flex-shrink: 1;
    }
    &:hover {
        background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
        box-shadow: 0 6px 20px var(--accent-shadow-focus), 0 4px 8px var(--shadow-strong);
    }
    &:active {
        background: linear-gradient(135deg, var(--accent-shade) 0%, var(--accent-shade-2) 100%);
        box-shadow: inset 0 2px 4px var(--shadow-stronger), 0 1px 2px var(--shadow-card);
        opacity: 0.9;
    }
    &:focus {
        outline: none;
        box-shadow: 0 4px 12px var(--accent-shadow-soft), 0 0 0 3px var(--accent-border);
    }
    &.saving {
        cursor: not-allowed;
        opacity: 0.7;
        pointer-events: none;
        & i { -webkit-animation: spin 1s linear infinite; animation: spin 1s linear infinite; }
    }
}

.pill-toggle-btn {
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    border-radius: 50%;
    padding: 8px;
    width: 36px;
    height: 36px;
    font-size: 14px;
    box-shadow: 0 4px 12px var(--accent-shadow-soft), 0 2px 4px var(--shadow-card);
    &:hover {
        box-shadow: 0 4px 12px var(--accent-shadow-soft);
    }
    &:active {
        background: linear-gradient(135deg, var(--accent-shade) 0%, var(--accent-shade-2) 100%);
        box-shadow: inset 0 2px 4px var(--shadow-stronger), 0 1px 2px var(--shadow-card);
        opacity: 0.9;
    }
}

.app-modal-btn-primary,
.app-modal-btn-secondary,
.app-modal-btn-danger,
.app-modal-btn-danger-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-pill);
    cursor: pointer;
    & i { transition: transform 0.3s ease; }
}

.app-modal-btn-primary {
    color: var(--white);
    background: var(--gradient-accent);
    border: none;
    box-shadow: 0 4px 12px var(--accent-shadow-soft), 0 2px 4px var(--shadow-card);
    &:hover {
        background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
        box-shadow: 0 6px 20px var(--accent-shadow-soft), 0 4px 8px var(--shadow-card);
        & i { transform: translateX(-2px); }
    }
    &:active {
        box-shadow: inset 0 2px 4px var(--shadow-strong), 0 1px 2px var(--shadow-card);
        opacity: 0.95;
    }
}

.app-modal-btn-secondary,
.settings-btn-secondary {
    color: var(--text-color);
    background: var(--white);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all 0.2s ease;
    &:hover {
        border-color: var(--accent);
        color: var(--accent);
    }
}
.app-modal-btn-secondary.app-modal-btn-sm {
    padding: 6px 14px;
    font-size: 13px;
    min-height: 32px;
}

.app-modal-btn-danger {
    color: var(--white);
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%);
    border: none;
    &:hover {
        background: linear-gradient(135deg, var(--danger-hover) 0%, var(--danger) 100%);
        box-shadow: 0 6px 20px var(--danger-shadow-strong), 0 4px 8px var(--shadow-card);
        & i { transform: translateX(-2px); }
    }
    &:active {
        box-shadow: inset 0 2px 4px var(--shadow-stronger), 0 1px 2px var(--shadow-card);
        opacity: 0.95;
    }
}

.app-modal-btn-danger-outline {
    color: var(--danger);
    background: var(--white);
    border: 1px solid var(--danger);
    transition: all 0.2s ease;
    &:hover {
        border-color: var(--danger-hover);
        color: var(--danger-hover);
        transform: translateX(2px);
    }
}

.settings-btn-primary {
    gap: 8px;
    padding: 12px 24px;
    color: var(--white);
    background: var(--gradient-accent);
    border: none;
    box-shadow: 0 4px 12px var(--accent-shadow-soft), 0 2px 4px var(--shadow-card);
    &:hover {
        background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
        box-shadow: 0 6px 20px var(--accent-shadow-soft), 0 4px 8px var(--shadow-card);
    }
}

.settings-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-pill);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.settings-comm-history-btn,
.settings-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-pill);
    border: 1px solid var(--accent);
    background: var(--white);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    &:hover {
        border-color: var(--accent);
        color: var(--accent);
        background: var(--accent-tint-subtle);
    }
}
.settings-upload-btn {
    padding: 10px 18px;
    color: var(--accent);
    &:hover {
        background: linear-gradient(135deg, var(--accent-tint-start) 0%, var(--accent-tint-light) 100%);
    }
    &.loading {
        pointer-events: none;
        opacity: 0.9;
    }
}

.settings-remove-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--danger);
    color: var(--white);
    cursor: pointer;
    transition: background 0.2s ease;
    &:hover {
        background: var(--danger-hover);
    }
    & i {
        font-size: 14px;
    }
}

.recent-pledges-view-all.pill-action-btn {
    flex-shrink: 0;
    margin-left: 12px;
    margin-bottom: 0;
    padding: 4px 10px;
    font-size: 12px;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    width: auto;
    &:hover,
    &:focus {
        text-decoration: none;
        transform: translateX(2px);
        outline: none;
        box-shadow: none;
    }
    &:focus-visible {
        outline: none;
        box-shadow: none;
    }
    & i {
        margin-right: 4px;
    }
}

.sidebar-content .pill-action-btn,
.sidebar-content .pill-save-btn {
    white-space: nowrap;
    min-width: 0;
    font-size: clamp(11px, 4.5cqw, 14px);
}

.sidebar-content .pill-action-btn span,
.sidebar-content .pill-save-btn span {
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}