/* ==========================================================================
   TTT Solutions — page-specific styles.
   Component styles live in design-system.css; this file is for
   layout/composition that is specific to a single page or area.
   ========================================================================== */

/* ── Homepage hero ─────────────────────────────────────────────────── */

.hero {
  padding-block: var(--space-24) var(--space-16);
  background: radial-gradient(1200px 480px at 50% -10%, var(--color-primary-light), transparent);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-size: var(--text-5xl);
  max-width: 820px;
  margin-inline: auto;
}

.hero-subtitle {
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto var(--space-10);
}

@media (max-width: 640px) {
  .hero { padding-block: var(--space-16) var(--space-10); }
  .hero h1 { font-size: var(--text-3xl); }
  .hero-subtitle { font-size: var(--text-base); }
}

/* ── Action cards (Submit / Track / Engineer Login) ────────────────── */

.action-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

@media (max-width: 900px) {
  .action-grid {
    grid-template-columns: 1fr;
  }
}

.action-card {
  text-align: left;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
}

.action-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.action-card .btn {
  margin-top: var(--space-2);
}

/* ── How it works / steps ──────────────────────────────────────────── */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-text);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

/* ── Trust / stats strip ───────────────────────────────────────────── */

.stats-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-8);
  background: var(--color-bg-subtle);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  text-align: center;
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Section heading ───────────────────────────────────────────────── */

.section-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

/* ── Error pages ────────────────────────────────────────────────────── */

.error-shell {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10) var(--space-6);
  text-align: center;
}

.error-code {
  font-size: 5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-4);
}

/* ── Query submission wizard ────────────────────────────────────────── */

.wizard-shell {
  max-width: 640px;
  margin-inline: auto;
}

.step-progress {
  margin-bottom: var(--space-8);
}

.step-progress ol {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
}

.step-progress-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  text-align: center;
}

.step-progress-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-bg-muted);
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
}

.step-progress-item.is-active .step-progress-number {
  background: var(--color-primary);
  color: #fff;
}

.step-progress-item.is-complete .step-progress-number {
  background: var(--color-success);
  color: #fff;
}

.step-progress-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.step-progress-item.is-active .step-progress-label {
  color: var(--color-text);
  font-weight: 600;
}

.step-progress-mobile {
  display: none;
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
  margin: 0;
}

@media (max-width: 640px) {
  .step-progress ol {
    display: none;
  }

  .step-progress-mobile {
    display: block;
  }
}

.form-control.is-invalid {
  border-color: var(--color-danger);
}

/* Attachments (step 3) */

.attachment-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.attachment-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.attachment-name {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attachment-size {
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.attachment-remove {
  padding: 0.15rem 0.6rem;
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-danger);
}

/* Delivery options (step 4) */

.delivery-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.delivery-option {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.delivery-option:hover {
  border-color: var(--color-primary);
}

.delivery-option.is-selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.delivery-option input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.delivery-option-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.delivery-option-name {
  font-weight: 700;
}

.delivery-option-turnaround {
  font-size: var(--text-sm);
}

.delivery-option-price {
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-primary);
  white-space: nowrap;
}

/* Review (step 5) */

.review-card {
  text-align: left;
}

.review-section {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.review-section:last-of-type {
  border-bottom: none;
}

.review-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.review-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0;
}

.review-list dt {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 2px;
}

.review-list dd {
  margin: 0;
  font-weight: 500;
  color: var(--color-text);
}

.review-file-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* Confirmation */

.confirmation-card {
  max-width: 520px;
  margin-inline: auto;
}

.confirmation-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-success-light);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.confirmation-reference {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
}

.confirmation-reference-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--color-primary);
}

.confirmation-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #1da851;
  color: #fff;
}

/* ── Client portal (Phase 3) ───────────────────────────────────────── */

.portal-welcome {
  margin-bottom: var(--space-8);
}

.portal-welcome h1 {
  font-size: var(--text-2xl);
  margin: 0 0 var(--space-2);
}

.query-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.query-card {
  display: block;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.query-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.query-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.query-card-reference {
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  font-size: var(--text-sm);
}

.query-card-title {
  font-weight: 600;
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}

.query-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.query-card-meta strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
}

/* Query-detail attachment gallery + viewer live near the end of this
   file — see "Attachment gallery" and "Attachment viewer" below. */

.text-left {
  text-align: left;
}

/* ── Portal shell (client / engineer / admin foundations) ──────────── */

.portal-shell {
  display: flex;
  min-height: 100vh;
}

.portal-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--color-text);
  color: #fff;
  padding: var(--space-6);
}

.portal-sidebar .brand {
  color: #fff;
  margin-bottom: var(--space-8);
}

.portal-sidebar-nav a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.65rem var(--space-3);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-1);
}

.portal-sidebar-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.portal-main {
  flex: 1;
  padding: var(--space-8);
  background: var(--color-bg-subtle);
}

@media (max-width: 860px) {
  .portal-shell {
    flex-direction: column;
  }

  .portal-sidebar {
    width: 100%;
  }
}

/* ── Engineer dashboard (Phase 4) ──────────────────────────────────── */

.dashboard-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.stat-card {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.stat-card-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: var(--leading-tight);
}

.stat-card-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 600;
}

.stat-card.is-warning .stat-card-value { color: var(--color-warning); }
.stat-card.is-danger .stat-card-value { color: var(--color-danger); }

.dashboard-section {
  margin-bottom: var(--space-10);
}

.dashboard-section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.dashboard-section-header h2 {
  font-size: var(--text-xl);
  margin: 0;
}

.query-card-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.query-card-body {
  display: block;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.query-card-body + .query-card-body,
.query-card + .query-card-body,
.query-card-body + .query-card {
  margin-top: var(--space-4);
}

.notes-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
  padding: 0;
  list-style: none;
}

.note-item {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
}

.note-item-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.note-item-body {
  white-space: pre-wrap;
  font-size: var(--text-sm);
}

@media (max-width: 860px) {
  .dashboard-overview {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .dashboard-overview {
    grid-template-columns: 1fr;
  }
}

/* ── Attachment gallery (client/engineer query detail) ──────────────
   Deliberately a compact, deterministic flex-wrap layout — fixed-width
   tiles rather than a CSS Grid `auto-fill`/`1fr` track, which can
   collapse to a single full-width column when its containing block's
   size is ever ambiguous (e.g. inside a flex/auto-width ancestor).
   Tiles never stretch to fill a row; extra space is simply left empty,
   exactly like a file manager / cloud-drive gallery. ────────────── */

.attachment-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.attachment-tile {
  flex: 0 0 148px;
  width: 148px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

@media (max-width: 560px) {
  .attachment-tile {
    flex: 0 0 calc(50% - var(--space-3) / 2);
    width: auto;
  }
}

.attachment-tile:hover,
.attachment-tile:focus-visible {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.attachment-tile:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.attachment-thumb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 104px;
  background: var(--color-bg-muted);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.attachment-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.attachment-thumb-canvas {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius-sm);
}

.attachment-thumb-canvas:not(.is-rendered) {
  display: none;
}

.attachment-thumb-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text-faint);
}

.attachment-thumb-fallback-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.attachment-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  z-index: 1;
  background: rgba(15, 23, 42, 0.75);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.attachment-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.attachment-meta .attachment-name {
  font-size: var(--text-xs);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attachment-meta .attachment-size {
  font-size: 11px;
}

/* ── Attachment viewer — one shared overlay for image + PDF modes ───
   Moved to a direct child of <body> by attachment-gallery.js before
   it is ever opened, so this fixed-position overlay can never be
   clipped, offset, or forced into normal document flow by an
   ancestor card/section that happens to establish its own stacking
   or containing-block context (transform/overflow/etc.). ─────────── */

.viewer-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: rgba(15, 23, 42, 0.86);
}

.viewer-overlay[hidden] {
  display: none;
}

body.viewer-open {
  overflow: hidden;
}

.viewer-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  max-width: 1100px;
  max-height: calc(100vh - var(--space-8));
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  flex-wrap: wrap;
}

.viewer-toolbar-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.viewer-filename {
  font-weight: 600;
  font-size: var(--text-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 260px;
}

.viewer-position {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.viewer-toolbar-controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.viewer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--space-2);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.viewer-btn:hover {
  background: var(--color-bg-muted);
  border-color: var(--color-primary);
}

.viewer-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.viewer-btn-close {
  font-size: var(--text-lg);
}

.viewer-page-btn[hidden] {
  display: none;
}

.viewer-zoom-level {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  min-width: 40px;
  text-align: center;
}

.viewer-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-muted);
  overflow: hidden;
}

.viewer-body {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: var(--space-4);
}

.viewer-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.viewer-image.is-zoomed {
  max-width: none;
  max-height: none;
  cursor: grab;
}

.viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: none;
  background: rgba(15, 23, 42, 0.55);
  color: #fff;
  font-size: var(--text-2xl);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: background var(--transition-fast);
}

.viewer-nav:hover {
  background: rgba(15, 23, 42, 0.8);
}

.viewer-nav-prev {
  left: var(--space-3);
}

.viewer-nav-next {
  right: var(--space-3);
}

.viewer-nav[hidden] {
  display: none;
}

.viewer-pdf-canvas-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 100%;
  min-height: 100%;
}

.viewer-pdf-canvas {
  box-shadow: var(--shadow-md);
  background: #fff;
}

.viewer-loading,
.viewer-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-6);
}

.viewer-spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  animation: viewer-spin 0.8s linear infinite;
}

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

/* ── Clarification timeline (Phase 5) ────────────────────────────────
   Deliberately a plain chronological case timeline, not a chat UI — no
   bubbles, no avatars. A left accent color is the only visual cue
   distinguishing an engineer entry from a client entry. ─────────────── */

.clarification-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
  padding: 0;
  list-style: none;
}

.clarification-message {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
}

.clarification-message-engineer {
  border-left-color: var(--color-primary);
}

.clarification-message-client {
  border-left-color: var(--color-accent);
}

.clarification-message-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.clarification-message-body {
  white-space: pre-wrap;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.clarification-message-attachments {
  margin-top: var(--space-3);
}

.clarification-message-attachments .attachment-tile {
  flex: 0 0 108px;
  width: 108px;
}

.clarification-message-attachments .attachment-thumb {
  height: 76px;
}

/* ── Clarification request/response panel ────────────────────────── */

.clarification-panel {
  padding: var(--space-5);
  border: 1px solid #fde68a;
  border-radius: var(--radius-lg);
  background: var(--color-warning-light);
  margin-bottom: var(--space-5);
}

.clarification-panel-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  color: #78350f;
  margin-bottom: var(--space-3);
}

@media (max-width: 640px) {
  .viewer-overlay {
    padding: 0;
  }

  .viewer-shell {
    max-width: 100%;
    max-height: 100%;
    height: 100%;
    border-radius: 0;
  }

  .viewer-filename {
    max-width: 130px;
  }

  .viewer-toolbar {
    padding: var(--space-2) var(--space-3);
  }

  .viewer-nav {
    width: 48px;
    height: 48px;
  }
}