/* ==========================================================================
   MODULE WORKSPACE
   ========================================================================== */
.module-workspace { animation: fadeIn 0.2s ease-out; display: flex; flex-direction: column; min-height: 100%; }

.module-subheader {
    display: flex;
    align-items: center;
    gap: 16px 18px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.module-subheader h2 { font-size: 21px; font-weight: 600; }

.btn-back, .btn {
    background: var(--surface);
    border: 1px solid var(--line-strong);
    color: var(--ink);
    padding: 7px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: var(--transition-fast);
}
.btn-back:hover, .btn:hover { border-color: var(--ink-3); }
.btn:disabled { opacity: 0.5; cursor: default; }

.sheet-tabs {
    display: flex;
    gap: 2px;
    background: var(--surface);
    padding: 4px;
    border-radius: 9px;
    border: 1px solid var(--line);
    flex-basis: 100%;
    overflow-x: auto;
    scrollbar-width: thin;
}

.tab-item {
    background: none; border: none;
    padding: 6px 12px; border-radius: 6px;
    font-size: 12.5px; font-weight: 500;
    cursor: pointer;
    display: flex; align-items: center; gap: 7px;
    color: var(--ink-2);
    white-space: nowrap;
    transition: var(--transition-fast);
}
.tab-item i { font-size: 11px; color: var(--ink-3); }
.tab-item:hover { color: var(--ink); background: var(--surface-2); }
.tab-item.active { background: var(--surface-2); color: var(--ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--accent); }
.tab-item.active i { color: var(--ink); }

/* Toolbar */
.toolbar-container { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.search-input-wrapper { position: relative; width: 260px; }
.search-input-wrapper i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--ink-3); font-size: 12px; }
.search-input-wrapper input {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--line);
    padding: 8px 12px 8px 34px;
    border-radius: 8px;
    outline: none;
    font-size: 13px;
    transition: var(--transition-fast);
}
.search-input-wrapper input::placeholder { color: var(--ink-3); }
.search-input-wrapper input:focus { border-color: var(--focus); }

.btn-toolbar-action {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 13px;
    cursor: pointer;
    display: inline-flex; align-items: center; gap: 7px;
    color: var(--ink-2);
    font-size: 13px;
    transition: var(--transition-fast);
}
.btn-toolbar-action:hover { color: var(--ink); border-color: var(--line-strong); }

/* Primary: electric blue fill with deep-blue text (approved brand pairing) */
.btn-primary {
    background: var(--accent);
    color: var(--accent-ink);
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    white-space: nowrap;
    transition: var(--transition-fast);
}
.btn-primary:hover { border-color: var(--nml-deep); }
:root[data-theme="dark"] .btn-primary:hover { border-color: #FFFFFF; }
.btn-primary:disabled { opacity: 0.5; cursor: default; }

.selected-rows-label { font-size: 13px; color: var(--ink-3); margin-right: 6px; }


/* ==========================================================================
   LOCKED MODULE EMPTY STATE
   ========================================================================== */
.empty-module-container { max-width: 600px; margin: 70px auto 0; padding: 48px; border-radius: 14px; text-align: center; }
.empty-icon { font-size: 42px; color: var(--ink-3); margin-bottom: 22px; }
.empty-module-container h2 { font-size: 23px; margin-bottom: 12px; }
.empty-module-container p { color: var(--ink-2); margin-bottom: 28px; line-height: 1.6; }
.empty-module-container .btn-primary { margin: 0 auto; }