@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700;800&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap");

:root {
  --bg:                  #f8f9fa;
  --bg-accent:           #edf3f8;
  --text:                #1a1a2e;
  --subtext:             #5f6b7a;
  --header-bg:           #1d3557;
  --header-text:         #ffffff;
  --card-bg:             rgba(255, 255, 255, 0.82);
  --card-border:         rgba(29, 53, 87, 0.1);
  --input-border:        rgba(69, 123, 157, 0.18);
  --input-text:          #1a1a2e;
  --label-color:         #555555;
  --btn-bg:              #457b9d;
  --btn-hover:           #1d3557;
  --btn-disabled:        #adb5bd;
  --status-info-bg:      #e3f0fb;
  --status-info-text:    #1d3557;
  --status-error-bg:     #fde8e0;
  --status-error-text:   #c0392b;
  --share-warning-bg:    #fff8e6;
  --share-warning-border:#e9c46a;
  --share-warning-text:  #5a4200;
  --share-url-bg:        #f8f9fa;
  --share-url-text:      #555555;
  --expires-text:        #888888;
  --spinner-border:      rgba(69, 123, 157, 0.16);
  --spinner-top:         #1d3557;
  --heading-color:       #1d3557;
  --shadow-sm:           0 12px 30px rgba(17, 32, 25, 0.08);
  --shadow-md:           0 24px 60px rgba(17, 32, 25, 0.12);
  --surface-strong:      rgba(255, 255, 255, 0.94);
}

[data-theme="dark"] {
  --bg:                  #08110d;
  --bg-accent:           #111a25;
  --text:                #e6edf3;
  --subtext:             #8b949e;
  --header-bg:           #010409;
  --header-text:         #e6edf3;
  --card-bg:             rgba(15, 22, 33, 0.82);
  --card-border:         rgba(88, 166, 255, 0.12);
  --input-border:        rgba(88, 166, 255, 0.16);
  --input-text:          #e6edf3;
  --label-color:         #8b949e;
  --btn-bg:              #1f6feb;
  --btn-hover:           #388bfd;
  --btn-disabled:        #484f58;
  --status-info-bg:      #0d2137;
  --status-info-text:    #79c0ff;
  --status-error-bg:     #2d1219;
  --status-error-text:   #ff7b72;
  --share-warning-bg:    #2d2000;
  --share-warning-border:#d29922;
  --share-warning-text:  #e3b341;
  --share-url-bg:        #0d1117;
  --share-url-text:      #8b949e;
  --expires-text:        #6e7681;
  --spinner-border:      rgba(88, 166, 255, 0.15);
  --spinner-top:         #58a6ff;
  --heading-color:       #58a6ff;
  --shadow-sm:           0 12px 30px rgba(0, 0, 0, 0.22);
  --shadow-md:           0 24px 60px rgba(0, 0, 0, 0.3);
  --surface-strong:      rgba(14, 21, 32, 0.94);
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "IBM Plex Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(69, 123, 157, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(126, 168, 201, 0.22), transparent 26%),
    linear-gradient(180deg, var(--bg-accent) 0%, var(--bg) 38%, var(--bg) 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

body::before,
body::after {
  content: "";
  position: fixed;
  width: 34rem;
  height: 34rem;
  border-radius: 999px;
  pointer-events: none;
  z-index: -1;
  filter: blur(80px);
  opacity: 0.3;
}

body::before {
  top: -10rem;
  right: -10rem;
  background: rgba(69, 123, 157, 0.28);
}

body::after {
  left: -12rem;
  bottom: -16rem;
  background: rgba(29, 53, 87, 0.16);
}

.hidden { display: none !important; }

/* ── Loading spinner ─────────────────────────────────────────────────────── */
.spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--spinner-border);
  border-top-color: var(--spinner-top);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40vh auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Header ──────────────────────────────────────────────────────────────── */
header {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(29, 53, 87, 0.84);
  color: var(--header-text);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
}

header h1,
.hero-title,
.page-title,
.card h2,
.tool-body h2,
.stat-value {
  font-family: "Manrope", sans-serif;
}

header h1 { font-size: 1rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1; }
.user-info { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: rgba(247, 251, 248, 0.8); }

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.back-link {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  line-height: 1;
  transition: color 0.18s ease, transform 0.18s ease;
}
.back-link:hover { color: rgba(255, 255, 255, 0.95); transform: translateX(-1px); }

.header-sep {
  color: rgba(247, 251, 248, 0.28);
  font-size: 0.92rem;
  line-height: 1;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
button {
  appearance: none;
  background: linear-gradient(135deg, var(--btn-bg) 0%, var(--btn-hover) 100%);
  color: #ffffff;
  border: none;
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  box-shadow: 0 10px 20px rgba(69, 123, 157, 0.22);
}
button:hover { transform: translateY(-1px); filter: brightness(1.04); }
button:disabled { background: var(--btn-disabled); cursor: not-allowed; box-shadow: none; transform: none; }

#logout-btn {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
#logout-btn:hover { background: rgba(255, 255, 255, 0.28); }

#theme-btn {
  padding: 8px 10px;
  font-size: 0.95rem;
  line-height: 1;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
#theme-btn:hover { background: rgba(255, 255, 255, 0.24); }

/* ── Main layout ─────────────────────────────────────────────────────────── */
main { max-width: 1180px; margin: 0 auto; padding: 34px 24px 72px; animation: fade-up 0.45s ease; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.card h2 {
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--card-border);
  letter-spacing: -0.03em;
}

.report-main { display: grid; gap: 24px; }

.page-summary,
.portal-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.95fr);
  gap: 24px;
  padding: 28px 30px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.section-title,
.hero-eyebrow,
.stat-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--label-color);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.section-title,
.hero-eyebrow { margin-bottom: 6px; }

.hero-title,
.page-title {
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 800;
  color: var(--text);
}

.hero-copy,
.page-copy {
  max-width: 48rem;
  margin-top: 12px;
  color: var(--subtext);
  font-size: 0.95rem;
}

.hero-side,
.summary-grid {
  display: grid;
  gap: 12px;
}

.hero-stat-grid,
.summary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-card,
.summary-card {
  background: var(--surface-strong);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 16px 18px;
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  display: block;
}

.hero-note {
  color: var(--subtext);
  font-size: 0.82rem;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(69, 123, 157, 0.08);
  border: 1px solid rgba(69, 123, 157, 0.1);
}

/* ── Form ────────────────────────────────────────────────────────────────── */
.quick-range-row {
  margin-bottom: 20px;
}
.quick-range-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--label-color);
}
.quick-range-label select {
  width: 100%;
}

.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}
.form-row label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--label-color);
}

input[type="date"] {
  padding: 10px 12px;
  border: 1px solid var(--input-border);
  border-radius: 14px;
  font-size: 0.9rem;
  color: var(--input-text);
  background: var(--surface-strong);
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
input[type="date"]:focus {
  outline: none;
  border-color: rgba(69, 123, 157, 0.35);
  box-shadow: 0 0 0 4px rgba(69, 123, 157, 0.12);
}

/* ── Technician selection ────────────────────────────────────────────────── */
.tech-section {
  margin-bottom: 20px;
}
.tech-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--label-color);
}
.tech-quick {
  display: flex;
  gap: 6px;
}
.tech-quick button {
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  background: transparent;
  color: var(--btn-bg);
  border: 1px solid var(--btn-bg);
  border-radius: 999px;
  box-shadow: none;
}
.tech-quick button:hover {
  background: var(--btn-bg);
  color: #fff;
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 12px;
  padding: 12px;
  border: 1px solid var(--input-border);
  border-radius: 18px;
  background: rgba(255,255,255,0.18);
  margin-bottom: 10px;
  max-height: 220px;
  overflow-y: auto;
}
.tech-check-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tech-loading {
  font-size: 0.85rem;
  color: var(--label-color);
  grid-column: 1 / -1;
}
.group-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.group-row select {
  flex: 1;
  font-size: 0.85rem;
}
.group-row button {
  padding: 6px 12px;
  font-size: 0.8rem;
}
#delete-group-btn {
  background: transparent;
  color: var(--status-error-text);
  border: 1px solid var(--status-error-text);
}
#delete-group-btn:hover {
  background: var(--status-error-bg);
}

.share-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}
input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }

.ttl-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--label-color);
  font-weight: 500;
}
select {
  padding: 10px 12px;
  border: 1px solid var(--input-border);
  border-radius: 14px;
  font-size: 0.88rem;
  color: var(--input-text);
  background: var(--surface-strong);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

select:focus {
  outline: none;
  border-color: rgba(69, 123, 157, 0.35);
  box-shadow: 0 0 0 4px rgba(69, 123, 157, 0.12);
}

#submit-btn { width: 100%; padding: 12px; font-size: 1rem; }

/* ── Status message ──────────────────────────────────────────────────────── */
.status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.9rem;
}
.status.info  { background: var(--status-info-bg);  color: var(--status-info-text); }
.status.error { background: var(--status-error-bg); color: var(--status-error-text); }

/* ── Share result panel ──────────────────────────────────────────────────── */
#share-result { margin-top: 20px; }

.share-warning {
  background: var(--share-warning-bg);
  border: 1px solid var(--share-warning-border);
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.85rem;
  color: var(--share-warning-text);
  margin-bottom: 12px;
}

.share-url-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

#share-url {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--input-border);
  border-radius: 14px;
  font-size: 0.82rem;
  color: var(--share-url-text);
  font-family: monospace;
  background: var(--share-url-bg);
  transition: background 0.2s, color 0.2s;
}

#copy-btn { flex-shrink: 0; padding: 10px 16px; }

.expires-text {
  font-size: 0.82rem;
  color: var(--expires-text);
}

/* ── Landing page layout ─────────────────────────────────────────────────── */
.landing-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 24px 72px;
  animation: fade-up 0.45s ease;
}

.section-title {
  margin-bottom: 16px;
}

/* ── Tool cards ──────────────────────────────────────────────────────────── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.tool-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, border-color 0.15s, transform 0.1s;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.tool-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--btn-bg);
  transform: translateY(-3px);
}

.tool-icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.45rem;
  flex-shrink: 0;
  line-height: 1;
  background: linear-gradient(135deg, rgba(69, 123, 157, 0.16), rgba(29, 53, 87, 0.14));
  border: 1px solid rgba(69, 123, 157, 0.1);
}

.tool-body { flex: 1; min-width: 0; }
.tool-body h2 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.tool-body p {
  font-size: 0.84rem;
  color: var(--subtext);
  line-height: 1.6;
}

.tool-arrow {
  font-size: 1.1rem;
  color: var(--btn-bg);
  flex-shrink: 0;
  font-weight: 700;
}

@media (max-width: 900px) {
  .portal-hero,
  .page-summary {
    grid-template-columns: 1fr;
  }

  .hero-stat-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  header {
    height: auto;
    min-height: 64px;
    padding: 14px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .user-info {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .header-left {
    flex-wrap: wrap;
    gap: 8px;
  }

  main,
  .landing-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .portal-hero,
  .page-summary,
  .card {
    padding: 22px 20px;
    border-radius: 22px;
  }

  .form-row,
  .share-row {
    flex-direction: column;
    align-items: stretch;
  }

  .tech-header,
  .group-row,
  .share-url-row {
    flex-direction: column;
    align-items: stretch;
  }
}