/* =============================================================================
   CODE 4 UI KIT  —  code4-ui.css
   Shared component classes for cross-page consistency.
   Built on the existing design tokens (CSS variables) already defined per page:
     --bg-deep --bg-panel --bg-card --border --border-hi --accent --gold
     --success --warn --danger --muted --text1 --text2 --text3
     --mono (Share Tech Mono) --disp (Rajdhani) --body (Source Sans 3)

   USAGE: link this file in each page <head>, then use the .c4-* classes instead
   of inline styles. Change a value here and every page that uses the class
   updates at once. Deploy = copy this static file to wwwroot (no rebuild).

   These classes intentionally mirror the look of the existing .btn / .btn-sm /
   .act-btn / .f-input styles so migrating a page is visually invisible.
   ========================================================================== */

/* ---------------------------------------------------------------------------
   DESIGN TOKENS — canonical values. A page MAY still override these in its own
   :root, but absent that, linking this sheet gives the standard palette.
   --------------------------------------------------------------------------- */
:root{
  --bg-deep:#080b0e; --bg-panel:#0c1015; --bg-card:#111820;
  --border:#1a2530; --border2:#243545; --border-hi:#243545;
  --accent:#00aaff; --accent-glow:rgba(0,170,255,0.12); --gold:#c9a84c; --gold-glow:rgba(201,168,76,0.12);
  --success:#00cc77; --warn:#ffaa00; --danger:#e04a5a;
  --muted:#3a4a5a; --text1:#e3edf4; --text2:#a8b9c6; --text3:#768d9f;
  --mono:'Share Tech Mono',monospace; --disp:'Rajdhani',sans-serif; --body:'Source Sans 3',sans-serif;
}

/* ---------------------------------------------------------------------------
   ICONS (Lucide)
   --------------------------------------------------------------------------- */
/* Lucide renders an <svg> that defaults to 24x24px — far too big next to button
   text. Sizing it in `em` ties the icon to the surrounding font-size, so it
   scales WITH the text (this is the "inherit the button's font size" behavior).
   1.05em makes it match the text height with a hair of presence; bump to 1.2em
   if you want icons a touch larger (won't break layout). vertical-align keeps it
   centered on the text baseline; the negative margin-top nudges optical center. */
.c4-ico,
.c4-btn [data-lucide],
.c4-btn svg,
button [data-lucide].c4-ico {
  width: 1.05em;
  height: 1.05em;
  vertical-align: middle;   /* for inline (non-flex) contexts */
  flex-shrink: 0;
}
/* Inside a flex button, the icon is a flex item — block display + align-items
   center on the button gives clean vertical centering (inline-block + baseline
   alignment was letting the text ride to the top of taller buttons). */
.c4-btn .c4-ico,
.c4-btn [data-lucide],
.c4-btn svg { display: block; }
.c4-ico { display: inline-block; }
/* Size variants inherit automatically because em scales with the button's
   font-size — a .c4-btn-sm icon is smaller than a .c4-btn icon, for free. */


/* ---------------------------------------------------------------------------
   BUTTONS
   --------------------------------------------------------------------------- */
/* Base button — display font, uppercase, the standard interactive control.
   Matches the shiftboard .btn look. */
.c4-btn{
  font-family: var(--disp);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1.05rem;
  border: 1px solid var(--border-hi, var(--border2, var(--border)));
  background: transparent;
  color: var(--text2);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  line-height: 1;
  white-space: nowrap;
}
.c4-btn:hover{ border-color: var(--accent); color: var(--accent); }
.c4-btn:disabled{ opacity: 0.4; cursor: not-allowed; }
.c4-btn:disabled:hover{ border-color: var(--border-hi, var(--border2, var(--border))); color: var(--text2); }

/* Primary — solid accent, for the main action on a screen. */
.c4-btn-primary{
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-deep);
}
.c4-btn-primary:hover{ filter: brightness(1.2); color: var(--bg-deep); }

/* Danger — destructive actions (delete, deactivate). Outline that fills on hover. */
.c4-btn-danger{ background: transparent; }
.c4-btn-danger:hover{ border-color: var(--danger); color: var(--danger); }

/* Success / Warn — semantic status actions (on-duty, late). Colored at rest, fills on hover. */
.c4-btn-success{ border-color: var(--success); color: var(--success); background: transparent; }
.c4-btn-success:hover{ background: rgba(0,204,119,0.12); color: var(--success); }
.c4-btn-warn{ border-color: var(--warn); color: var(--warn); background: transparent; }
.c4-btn-warn:hover{ background: rgba(255,170,0,0.12); color: var(--warn); }

/* Gold — secondary emphasis (matches the --gold accent used in places). */
.c4-btn-gold{ border-color: var(--gold); color: var(--gold); background: transparent; }
.c4-btn-gold:hover{ background: var(--gold-glow); color: var(--gold); }

/* Ghost — low emphasis, blends until hovered. */
.c4-btn-ghost{ border-color: transparent; background: transparent; color: var(--text3); }
.c4-btn-ghost:hover{ border-color: var(--border); color: var(--text2); }

/* Size variants */
.c4-btn-sm{
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.42rem 0.8rem;
  border-color: var(--border2, var(--border));
}
.c4-btn-xs{
  font-family: var(--mono);
  font-size: 0.48rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.4rem;
  border-color: var(--border2, var(--border));
  color: var(--text3);
}
.c4-btn-block{ width: 100%; justify-content: center; }
/* Allow a button's label to wrap instead of overflowing when it sits in a narrow
   flex/grid cell (e.g. "Special Assignment" in a half-width toggle). */
.c4-btn-wrap{ white-space: normal; line-height: 1.15; text-align: center; }

/* ---------------------------------------------------------------------------
   FORM INPUTS
   --------------------------------------------------------------------------- */
.c4-input, .c4-select, .c4-textarea{
  width: 100%;
  padding: 0.5rem 0.65rem;
  background: var(--bg-deep);
  border: 1px solid var(--border2, var(--border));
  color: var(--text1);
  font-family: var(--mono);
  font-size: 0.82rem;
  outline: none;
  border-radius: 2px;
  transition: border-color 0.15s;
  box-sizing: border-box;
}
.c4-input:focus, .c4-select:focus, .c4-textarea:focus{ border-color: var(--accent); }
.c4-input::placeholder, .c4-textarea::placeholder{ color: var(--text3); }
.c4-select{ appearance: none; cursor: pointer; }
.c4-textarea{ font-family: var(--body); font-size: 0.82rem; resize: vertical; min-height: 4rem; }

.c4-label{
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 0.35rem;
  display: block;
}
.c4-label-hint{ color: var(--text3); text-transform: none; letter-spacing: 0; font-size: 0.6rem; }

/* Checkbox / radio accent (keeps the brand colour on native controls) */
.c4-check{ width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.c4-check-danger{ accent-color: var(--danger); }

/* ---------------------------------------------------------------------------
   CARDS / PANELS
   --------------------------------------------------------------------------- */
.c4-card{
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.85rem;
}
.c4-panel{
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.85rem;
}
.c4-panel-accent{ border-left: 2px solid var(--accent); }

/* ---------------------------------------------------------------------------
   PILLS / TAGS / BADGES
   --------------------------------------------------------------------------- */
.c4-pill{
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--border-hi, var(--border2, var(--border)));
  border-radius: 2px;
  color: var(--text2);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}
.c4-pill-ok{ color: var(--success); border-color: var(--success); background: rgba(0,204,119,0.08); }
.c4-pill-warn{ color: var(--warn); border-color: var(--warn); background: rgba(255,170,0,0.08); }
.c4-pill-danger{ color: var(--danger); border-color: var(--danger); background: rgba(255,51,68,0.08); }
.c4-pill-accent{ color: var(--accent); border-color: var(--accent); background: var(--accent-glow); }
.c4-pill-muted{ color: var(--text3); border-color: var(--border); }

/* ---------------------------------------------------------------------------
   SECTION HEADERS / DIVIDERS
   --------------------------------------------------------------------------- */
.c4-section-label{
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
}
.c4-divider{ height: 1px; background: var(--border); border: 0; margin: 0.75rem 0; }

/* ---------------------------------------------------------------------------
   UTILITY HELPERS (sparingly — this is not a utility framework)
   --------------------------------------------------------------------------- */
.c4-row{ display: flex; align-items: center; gap: 0.5rem; }
.c4-row-wrap{ display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.c4-spacer{ flex: 1; }
.c4-muted{ color: var(--text3); }


/* ============================================================================
   PROMOTED FROM USERS PAGE — canonical finalized components (0.4.28.0)
   Relocated verbatim so every page inherits the finalized look once it links
   this sheet. Page-specific layout stays inline per page. code4-users.html is
   the reference implementation (it now renders entirely from this file).
   ========================================================================== */

.f-label{font-family:var(--mono);font-size:0.6rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--text1);margin-bottom:0.35rem;display:block;}
.f-input{width:100%;padding:0.55rem 0.65rem;background:var(--bg-deep);border:1px solid var(--border2);color:var(--text1);font-family:var(--mono);font-size:0.75rem;outline:none;margin-bottom:1rem;}
.f-input:focus{border-color:var(--accent);}
.f-select{width:100%;padding:0.5rem 1.85rem 0.5rem 0.65rem;background-color:var(--bg-deep);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237f8c99' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 0.65rem center;border:1px solid var(--border2);color:var(--text1);font-family:var(--mono);font-size:0.72rem;outline:none;appearance:none;-webkit-appearance:none;cursor:pointer;}
.f-select:focus{border-color:var(--accent);}
.dup-warn{display:none;font-family:var(--mono);font-size:0.68rem;color:var(--warn);margin-top:-0.7rem;margin-bottom:0.7rem;}
.dup-warn.show{display:block;}
#csvFile{font-family:var(--mono);font-size:0.7rem;color:var(--text2);}
#csvFile::file-selector-button,#csvFile::-webkit-file-upload-button{font-family:var(--disp);font-size:0.62rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:0.4rem 0.9rem 0.4rem 1.9rem;margin-right:0.75rem;border:1px solid var(--border-hi,var(--border2));border-radius:2px;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%23e3edf4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'/></svg>") no-repeat 0.65rem center,linear-gradient(180deg,var(--bg-card) 0%,var(--bg-deep) 100%);color:var(--text1);cursor:pointer;transition:all 0.15s;}
#csvFile::file-selector-button:hover{border-color:var(--accent);filter:brightness(1.12);}
.topbar-btn{font-family:var(--mono);font-size:0.7rem;letter-spacing:0.12em;text-transform:uppercase;padding:0.4rem 0.9rem;border:1px solid var(--border2);color:var(--text2);background:none;cursor:pointer;transition:all 0.15s;flex-shrink:0;}
.topbar-btn:hover{border-color:var(--accent);color:var(--accent);}
.fc-btn{font-family:var(--mono);font-size:0.9rem;line-height:1;color:var(--text2);background:none;border:none;cursor:pointer;padding:0 0.2rem;}
.fc-btn:hover{color:var(--accent);}
.font-ctrl{display:flex;align-items:center;gap:0.25rem;border:1px solid var(--border-hi,var(--border2));border-radius:2px;padding:0.3rem 0.55rem;background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-deep) 100%);box-shadow:0 1px 0 rgba(255,255,255,0.03) inset,0 1px 2px rgba(0,0,0,0.25);}
.font-ctrl span{font-family:var(--mono);font-size:0.55rem;color:var(--text2);}
.btn-sm{font-family:var(--mono);font-size:0.65rem;letter-spacing:0.08em;text-transform:uppercase;padding:0.38rem 0.75rem;border:1px solid var(--border2);color:var(--text2);background:none;cursor:pointer;transition:all 0.15s;white-space:nowrap;}
.btn-sm:hover{border-color:var(--accent);color:var(--accent);}
.btn-sm.danger:hover{border-color:var(--danger);color:var(--danger);}
/* Primary carries no special treatment now — identical neutral rest + border/text accent hover as any button. */
.role-pill{font-family:var(--mono);font-size:0.5rem;letter-spacing:0.08em;text-transform:uppercase;padding:0.15rem 0.45rem;border:1px solid;border-radius:3px;display:inline-block;}
.role-Officer,.role-Employee{border-color:var(--border2);color:var(--text2);background:rgba(255,255,255,0.04);}
.role-ShiftSupervisor{border-color:var(--accent);color:var(--accent);background:rgba(0,170,255,0.13);}
.role-DivisionHead{border-color:var(--warn);color:var(--warn);background:rgba(255,170,0,0.13);}
.role-Admin,.role-SuperAdmin{border-color:var(--danger);color:var(--danger);background:rgba(255,51,68,0.13);}
.status-dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:0.35rem;}
.status-dot.active{background:var(--success);}
.status-dot.inactive{background:var(--muted);}
.status-dot.stale{background:var(--warn);}
.last-login{font-family:var(--mono);font-size:0.7rem;color:var(--text2);}
.act-btn{font-family:var(--mono);font-size:0.66rem;letter-spacing:0.06em;text-transform:uppercase;padding:0.32rem 0.6rem;border:1px solid var(--border2);color:var(--text2);background:none;cursor:pointer;transition:all 0.15s;white-space:nowrap;}
.act-btn:hover{border-color:var(--accent);color:var(--accent);}
.act-btn.danger:hover{border-color:var(--danger);color:var(--danger);}
.act-btn.success:hover{border-color:var(--success);color:var(--success);}
.stale-warn{font-family:var(--mono);font-size:0.48rem;color:var(--warn);}

/* Invites table */
.invite-status-pending{color:var(--warn);font-family:var(--mono);font-size:0.52rem;}
.invite-status-accepted{color:var(--success);font-family:var(--mono);font-size:0.52rem;}
.invite-status-expired{color:var(--danger);font-family:var(--mono);font-size:0.52rem;}
.empty{font-family:var(--mono);font-size:0.65rem;color:var(--text3);padding:3rem;text-align:center;letter-spacing:0.1em;}
.spin{display:inline-block;width:14px;height:14px;border:2px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:spin 0.8s linear infinite;vertical-align:middle;}
@keyframes spin{to{transform:rotate(360deg);}}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.82);z-index:600;display:none;align-items:center;justify-content:center;}
.modal-overlay.show{display:flex;}
.modal{background:var(--bg-card);border:1px solid var(--border2);width:min(460px,94vw);max-height:90vh;display:flex;flex-direction:column;position:relative;}
.modal.wide{width:min(720px,96vw);}
.modal::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);}
.modal-hdr{padding:1.25rem 1.5rem 1rem;border-bottom:1px solid var(--border);}
.modal-title{font-family:var(--disp);font-size:1.1rem;font-weight:700;color:var(--text1);}
.modal-sub{font-family:var(--mono);font-size:0.55rem;color:var(--text3);margin-top:0.2rem;letter-spacing:0.06em;}
.modal-body{padding:1.25rem 1.5rem;overflow-y:auto;flex:1;}
.modal-footer{padding:0.75rem 1.5rem;border-top:1px solid var(--border);display:flex;gap:0.5rem;justify-content:flex-end;}
.modal-msg{font-family:var(--mono);font-size:0.58rem;margin-top:0.5rem;min-height:1rem;}
.btn-modal-cancel, .btn-modal-primary, .btn-modal-ok{font-family:var(--disp);font-size:0.65rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:0.45rem 1rem;border-radius:2px;cursor:pointer;transition:all 0.15s;display:inline-flex;align-items:center;gap:0.4rem;background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-deep) 100%);border:1px solid var(--border-hi,var(--border2));box-shadow:0 1px 0 rgba(255,255,255,0.03) inset,0 1px 2px rgba(0,0,0,0.25);}
.btn-modal-cancel{color:var(--text2);}
.btn-modal-primary, .btn-modal-ok{color:var(--text1);}
.btn-modal-cancel:hover, .btn-modal-primary:hover, .btn-modal-ok:hover{background:linear-gradient(180deg,#20303f 0%,#16222d 100%);border-color:var(--accent);color:var(--accent);}
.btn-modal-ok:disabled{opacity:0.5;cursor:not-allowed;border-color:var(--border-hi,var(--border2));color:var(--text2);}
.btn-modal-ok.danger:hover{background:linear-gradient(180deg,#2a1416 0%,#1d0e10 100%);border-color:var(--danger);color:var(--danger);}
.temp-pw-box{background:var(--bg-deep);border:1px solid var(--success);padding:0.75rem 1rem;margin-top:0.75rem;font-family:var(--mono);font-size:1rem;color:var(--success);letter-spacing:0.1em;text-align:center;}
.temp-pw-note{font-family:var(--mono);font-size:0.55rem;color:var(--text3);text-align:center;margin-top:0.4rem;}

/* ── PERSONNEL & SHARED ── */
.data-table{width:100%;border-collapse:collapse;}
.data-table th{position:sticky;top:0;z-index:2;font-family:var(--mono);font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--text2);padding:8px 10px;border-bottom:2px solid var(--gold);text-align:left;background:#161e28;font-weight:600;}
.data-table td{padding:0.45rem 0.75rem;border-bottom:1px solid var(--border);color:var(--text2);vertical-align:middle;font-size:0.85rem;}
/* Uniform styling for the main data columns (Badge, Rank, Division) so size,
   color, weight and font are guaranteed identical instead of drifting per-cell. */
.cell-data{font-family:var(--mono);font-size:0.8rem;font-weight:500;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;}
.cell-sub{font-family:var(--mono);font-size:0.6rem;font-weight:400;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;margin-top:1px;}
/* Manage flyout menu — anchored dropdown of row actions */
.manage-menu{position:fixed;z-index:9999;min-width:180px;background:var(--bg-card);border:1px solid var(--border-hi,var(--border2,var(--border)));border-radius:3px;box-shadow:0 8px 24px rgba(0,0,0,0.5);padding:0.3rem;display:flex;flex-direction:column;gap:0.1rem;}
.manage-item{display:flex;align-items:center;gap:0.5rem;width:100%;text-align:left;font-family:var(--mono);font-size:0.62rem;letter-spacing:0.04em;text-transform:uppercase;color:var(--text2);background:none;border:none;padding:0.4rem 0.55rem;cursor:pointer;border-radius:2px;transition:background 0.12s,color 0.12s;white-space:nowrap;}
.manage-item:hover{background:rgba(255,255,255,0.05);color:var(--text1);}
.manage-item.danger{color:var(--danger);}
.manage-item.danger:hover{background:rgba(255,68,68,0.12);}
.manage-item.success{color:var(--success);}
.manage-item.success:hover{background:rgba(80,200,120,0.12);}
.manage-divider{height:1px;background:var(--border2);margin:0.2rem 0;}
/* Count badge shown inline with table titles (e.g. "Personnel 325"). Stands out
   with the accent color and a pill outline without shouting. */
.count-badge{display:inline-block;font-family:var(--mono);font-size:0.7rem;font-weight:600;color:var(--accent);background:rgba(0,170,255,0.1);border:1px solid var(--accent);border-radius:2px;padding:0.1rem 0.55rem;margin-left:0.5rem;vertical-align:middle;letter-spacing:0.04em;}
.data-table td:first-child{color:var(--text1);}
/* Uniform table-cell text — override the per-cell inline sizes; pills/swatch keep their own size. */
.data-table td span:not(.supervisory-badge):not(.disabled-tag):not(.color-swatch):not(.role-pill){font-size:0.85rem !important;}
.data-table tbody tr:nth-child(even) td{background:rgba(255,255,255,0.018);}
.data-table tbody tr:hover td{background:rgba(255,255,255,0.06);}
.modal-msg{font-family:var(--mono);font-size:0.6rem;color:var(--text2);margin-top:0.5rem;min-height:1rem;}

/* Personnel-specific modal */
.p-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.82);z-index:700;display:none;align-items:center;justify-content:center;}
.p-modal-overlay.show{display:flex;}
.p-modal{width:min(640px,95vw);max-height:88vh;display:flex;flex-direction:column;background:var(--bg-panel);border:1px solid var(--border2);position:relative;}
.p-modal::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);}
.p-modal-hdr{padding:1rem 1.25rem;border-bottom:1px solid var(--border);}
.p-modal-title{font-family:var(--disp);font-size:1.1rem;font-weight:700;letter-spacing:0.05em;color:var(--text1);}
.p-modal-sub{font-family:var(--mono);font-size:0.55rem;letter-spacing:0.1em;color:var(--text3);margin-top:0.25rem;text-transform:uppercase;}
.p-modal-body{padding:1.25rem;overflow-y:auto;flex:1;}
.p-modal-footer{padding:0.85rem 1.25rem;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:0.5rem;}

/* ── FILLED BUTTON TREATMENT (applied to all buttons on this page) ──────────
   Subtle filled background + soft top-light gradient + slightly raised feel, so
   buttons read as solid objects instead of vacant outlined rectangles. Applied to
   c4-btn, topbar-btn, btn-sm, and act-btn. This is the going-forward style; promote
   to code4-ui.css in the UI-kit pass. Overrides the linked css (this block is later). */
.c4-btn, .topbar-btn, .btn-sm, .act-btn{
  background: linear-gradient(180deg, #1c2937 0%, #121d28 100%);
  border-color: var(--border-hi, var(--border2, var(--border)));
  color: var(--text1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 1px 3px rgba(0,0,0,0.30);
}
.c4-btn:hover, .topbar-btn:hover, .btn-sm:hover, .act-btn:hover{
  background: linear-gradient(180deg, #20303f 0%, #16222d 100%);
  border-color: var(--accent);
  color: var(--accent);
}
.c4-btn:active, .topbar-btn:active, .btn-sm:active, .act-btn:active{
  box-shadow: 0 1px 2px rgba(0,0,0,0.35) inset;
}
/* Danger buttons: neutral at rest like any button; red border+text on hover only. */
.act-btn.danger:hover, .c4-btn.c4-btn-danger:hover{
  border-color: var(--danger);
  color: var(--danger);
}
.act-btn.success{ color: var(--success); border-color: var(--success); }
/* Primary — the ONE main action per screen. Solid accent so it genuinely pops;
   everything else stays neutral-fill so a single primary leads the eye. */
.c4-btn.c4-btn-primary{
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-deep);
  box-shadow: 0 2px 10px rgba(0,170,255,0.30), inset 0 1px 0 rgba(255,255,255,0.25);
}
.c4-btn.c4-btn-primary:hover{
  filter: brightness(1.12);
  color: var(--bg-deep);
}

/* ── Modal kit ─────────────────────────────────────────────
   Canonical modal shell shared across pages. Pair with .c4-btn
   for footer actions. Overlay toggles via the .open class. */
.c4-modal-overlay{
  display:none;position:fixed;inset:0;z-index:100;
  background:rgba(0,0,0,0.75);backdrop-filter:blur(4px);
  align-items:center;justify-content:center;padding:1rem;
}
.c4-modal-overlay.open{ display:flex; }
.c4-modal{
  width:100%;max-width:420px;max-height:88vh;
  display:flex;flex-direction:column;overflow:hidden;position:relative;
  background:var(--bg-card);
  border:1px solid var(--border-hi, var(--border2, var(--border)));
  animation:c4ModalIn 0.15s ease;
}
/* Accent top-bar highlight */
.c4-modal::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg, transparent, var(--gold), transparent);
}
.c4-modal-header{ padding:1.25rem 1.5rem 0.9rem; border-bottom:1px solid var(--border); }
.c4-modal-title{
  font-family:var(--disp);font-size:1.05rem;font-weight:700;
  letter-spacing:0.04em;color:var(--text1);
}
.c4-modal-sub{
  font-family:var(--mono);font-size:0.62rem;letter-spacing:0.1em;
  text-transform:uppercase;color:var(--text3);margin-top:0.3rem;
}
.c4-modal-body{ padding:1.25rem 1.5rem; overflow-y:auto; }
.c4-modal-footer{
  padding:0.9rem 1.5rem 1.25rem;border-top:1px solid var(--border);
  display:flex;gap:0.6rem;flex-wrap:wrap;
}
@keyframes c4ModalIn{ from{opacity:0;transform:scale(0.97)} to{opacity:1;transform:scale(1)} }
