/* ==========================================================================
   Sessions: top panel, past history + detail, live session, create form,
   modal, phase bar, grading
   ========================================================================== */

/* --- Modal --- */
.modal-scrim {
  position: fixed; inset: 0; z-index: var(--z-overlay);
  display: grid; place-items: center; padding: var(--sp-5);
  background: var(--overlay); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
  opacity: 0; transition: opacity var(--transition); overflow-y: auto;
}
.modal-scrim.is-open { opacity: 1; }
.modal {
  width: 100%; display: flex; flex-direction: column; max-height: 90vh;
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border-strong); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transform: translateY(14px) scale(0.985); opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition);
}
.modal-scrim.is-open .modal { transform: none; opacity: 1; }
.modal--sm { max-width: 420px; }
.modal--md { max-width: 560px; }
.modal--lg { max-width: 780px; }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-3); padding: var(--sp-5); border-bottom: 1px solid var(--border); }
.modal__title { font-size: var(--fs-lg); }
.modal__sub { color: var(--text-muted); font-size: var(--fs-sm); margin-top: 4px; }
.modal__body { padding: var(--sp-5); overflow-y: auto; }
.modal__footer { padding: var(--sp-4) var(--sp-5); border-top: 1px solid var(--border); }
.modal__actions { display: flex; justify-content: flex-end; gap: var(--sp-3); }

/* Form controls used across modals */
select.input {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" stroke="%239db3c6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M4 6l4 4 4-4"/></svg>');
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px;
}
textarea.input { resize: vertical; min-height: 58px; }
.form-grid { display: flex; flex-direction: column; gap: var(--sp-4); }
.check, .radio { display: inline-flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: var(--fs-sm); cursor: pointer; }
.check input, .radio input { width: 16px; height: 16px; accent-color: var(--primary); }
.radio-row { display: flex; gap: var(--sp-4); flex-wrap: wrap; align-items: center; }
.hint-text { color: var(--text-muted); font-size: var(--fs-sm); }
.btn--danger { background: linear-gradient(180deg, #ef5a5f, var(--danger)); color: #fff; }
.btn--danger:hover { filter: brightness(1.06); transform: translateY(-1px); }

/* --- Sessions top panel --- */
.sessions-top {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6); flex-wrap: wrap;
  padding: var(--sp-6); border: 1px solid var(--border); border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
}
.sessions-top__rings { display: flex; gap: var(--sp-6); }

/* --- Past sessions --- */
.past-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.past-item { border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; transition: border-color var(--transition); }
.past-item:hover { border-color: var(--border-strong); }
.past-row { display: grid; grid-template-columns: 132px 1.4fr 1fr auto auto; align-items: center; gap: var(--sp-4); padding: var(--sp-4); }
.past-row__date { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: var(--fs-sm); }
.past-row__date .msym { color: var(--text-muted); }
.past-row__type strong { display: block; color: var(--text); }
.past-row__type small { color: var(--text-muted); font-size: var(--fs-xs); }
.past-row__host small { display: block; color: var(--text-muted); font-size: 10px; text-transform: uppercase; letter-spacing: var(--ls-wide); }
.past-row__host span { color: var(--text-secondary); }

.past-detail { max-height: 0; overflow: hidden; transition: max-height var(--transition-slow); }
.past-detail.is-open { max-height: 2000px; }

.detail-inner { border-top: 1px solid var(--border); padding: var(--sp-5); background: var(--bg-alt); }
.detail-header h3 { font-size: var(--fs-lg); margin: var(--sp-2) 0 2px; }
.detail-sub { color: var(--text-muted); font-size: var(--fs-sm); }

.hicom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin: var(--sp-4) 0; }
.command-card { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-4); background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.command-card__av { width: 46px; height: 46px; border-radius: 50%; background: linear-gradient(135deg, #37485a, #16212c); border: 1px solid var(--border-strong); display: grid; place-items: center; color: var(--text); font-weight: 700; flex-shrink: 0; }
.command-card__role { display: block; font-size: 10px; letter-spacing: var(--ls-wide); color: var(--primary-hover); font-weight: 700; }
.command-card strong { color: var(--text); display: block; }
.command-card small { color: var(--text-muted); }

.roster-row { display: flex; gap: var(--sp-3); align-items: flex-start; padding: var(--sp-2) 0; }
.roster-row__label { width: 96px; flex-shrink: 0; color: var(--text-muted); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: var(--ls-wide); padding-top: 5px; }

.results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin-top: var(--sp-5); }
.result-col { padding: var(--sp-4); border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.result-col--ok { border-left: 3px solid var(--success); }
.result-col--bad { border-left: 3px solid var(--primary); }
.result-col__head { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text); margin-bottom: var(--sp-3); }
.result-col--ok .msym { color: var(--success); }
.result-col--bad .msym { color: var(--primary); }

/* --- Chips / people --- */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.person-chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-pill); font-size: var(--fs-xs); color: var(--text-secondary); }
.person-chip__av { width: 22px; height: 22px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-active)); color: #fff; display: grid; place-items: center; font-size: 9px; font-weight: 700; }
.person-chip__role { color: var(--text-muted); }
.person-chip__x { display: grid; place-items: center; color: var(--text-muted); margin-left: 2px; }
.person-chip__x:hover { color: var(--danger); }

/* --- Phase bar --- */
.phase-bar { margin: var(--sp-5) 0; }
.phase-bar__line { display: none; }
.phase-bar__steps { display: flex; }
.phase-step { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; position: relative; padding: 0 4px; }
.phase-step:not(:first-child)::before {
  content: ""; position: absolute; top: 6px; left: -50%; width: 100%; height: 2px;
  background: var(--border-strong); z-index: 0; transition: background var(--transition);
}
.phase-step--done::before, .phase-step--current::before { background: var(--primary); }
.phase-step__dot { position: relative; z-index: 1; width: 14px; height: 14px; border-radius: 50%; background: var(--surface-2); border: 2px solid var(--border-strong); transition: all var(--transition); }
.phase-step--done .phase-step__dot { background: var(--primary); border-color: var(--primary); }
.phase-step--current .phase-step__dot { background: var(--primary); border-color: var(--primary); box-shadow: 0 0 0 5px var(--primary-soft); animation: pulse-dot 1.6s infinite; }
.phase-step__label { font-size: var(--fs-xs); color: var(--text-muted); }
.phase-step--done .phase-step__label, .phase-step--current .phase-step__label { color: var(--text); }
.phase-step--current .phase-step__label { font-weight: 700; }
.phase-step__staff { font-size: 10px; color: var(--text-muted); max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Live session panel --- */
.live-panel { border: 1px solid var(--border-gold); border-radius: var(--radius-xl); background: linear-gradient(180deg, var(--surface), var(--bg-alt)); padding: var(--sp-6); box-shadow: var(--shadow); }
.live-panel__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-4); }
.live-panel__head h2 { font-size: var(--fs-xl); margin-top: var(--sp-2); }
.live-panel__meta { color: var(--text-muted); font-size: var(--fs-sm); margin-top: 4px; }
.live-panel__actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; margin: var(--sp-5) 0; }
.attendee-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.grade-dot { width: 16px; height: 16px; border-radius: 50%; display: inline-grid; place-items: center; font-size: 10px; margin-left: 2px; }
.grade-dot--pass { background: var(--success-soft); color: var(--success); }
.grade-dot--fail { background: var(--danger-soft); color: var(--danger); }

/* --- Create form --- */
.create-form { display: flex; flex-direction: column; gap: var(--sp-5); }
.form-section { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.form-section__head { display: flex; align-items: center; gap: 8px; padding: var(--sp-3) var(--sp-4); background: var(--surface-2); border-bottom: 1px solid var(--border); }
.form-section__head .msym { color: var(--primary-hover); }
.form-section__head h3 { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: var(--ls-wide); color: var(--text-secondary); }
.form-section__body { padding: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-4); }
.staff-adder { display: grid; grid-template-columns: 1fr 160px auto; gap: var(--sp-3); align-items: end; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
.gd-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: var(--radius); font-size: var(--fs-sm); }
.gd-badge--ok { background: var(--success-soft); color: var(--success); }
.gd-badge--warn { background: var(--warning-soft); color: var(--warning); }
.gd-badge--bad { background: var(--danger-soft); color: var(--danger); }
.form-section-title { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: var(--ls-wide); color: var(--text-muted); margin: var(--sp-4) 0 var(--sp-2); }

/* --- Grading --- */
.grade-list { display: flex; flex-direction: column; gap: var(--sp-2); max-height: 44vh; overflow-y: auto; }
.grade-row { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-2) var(--sp-3); border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.grade-row__name { flex: 1; color: var(--text); }
.grade-row__name small { display: block; color: var(--text-muted); font-size: var(--fs-xs); }
.grade-row__btns { display: flex; gap: 6px; }
.grade-btn { padding: 5px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); font-size: var(--fs-xs); font-weight: 600; color: var(--text-secondary); }
.grade-btn:hover { color: var(--text); }
.grade-btn--pass.is-on { background: var(--success); border-color: var(--success); color: #04231a; }
.grade-btn--fail.is-on { background: var(--danger); border-color: var(--danger); color: #fff; }

/* --- Responsive --- */
@media (max-width: 720px) {
  .past-row { grid-template-columns: 1fr auto; grid-auto-flow: row; }
  .past-row__date { order: -1; }
  .hicom-grid, .results-grid, .check-grid { grid-template-columns: 1fr; }
  .staff-adder { grid-template-columns: 1fr; }
  .phase-step__label { font-size: 10px; }
  .phase-step__staff { display: none; }
}