:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #1d2733;
  --muted: #68768a;
  --line: #dce3ed;
  --primary: #1f6feb;
  --primary-dark: #1959bd;
  --danger: #d93025;
  --green: #1f9d55;
  --yellow: #f2b705;
  --red: #d93025;
  --shadow: 0 18px 40px rgba(31, 46, 71, 0.10);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.app-header {
  background: linear-gradient(135deg, #163b73, #1f6feb);
  color: #fff;
  padding: 36px clamp(16px, 4vw, 48px);
}
.app-header h1 { margin: 0 0 8px; }
.app-header p { max-width: 850px; margin: 0; color: #e7eefc; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-weight: 700; font-size: .8rem; }

.layout, .grid-two, .controls, .table-card {
  width: min(1440px, calc(100% - 32px));
  margin: 24px auto;
}
.layout, .grid-two { display: grid; grid-template-columns: 1.3fr .9fr; gap: 24px; align-items: start; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; }
h2 { margin: 0 0 14px; font-size: 1.25rem; }
.section-heading h2 { margin: 0; }
.storage-note { color: var(--muted); font-size: .9rem; }

.production-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
label { display: grid; gap: 6px; font-weight: 700; color: #344054; }
input, textarea, button, .file-button {
  font: inherit;
  border-radius: 10px;
}
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  padding: 11px 12px;
  background: #fbfcfe;
  color: var(--text);
}
input:focus, textarea:focus { outline: 3px solid rgba(31, 111, 235, .18); border-color: var(--primary); }
.full-width { grid-column: 1 / -1; }

.project-input-group {
  display: grid;
  gap: 10px;
}
.quick-project-add {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: end;
  padding: 10px;
  border: 1px solid #d7e3f5;
  border-radius: 12px;
  background: #f8fbff;
}
.quick-project-add label {
  font-size: .86rem;
  color: var(--muted);
}
.quick-project-add input { padding: 9px 10px; background: #fff; }
.quick-project-add button { padding: 9px 12px; white-space: nowrap; }
.project-panel-note {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.oee-fieldset {
  border: 1px solid #cfe0fb;
  border-radius: 16px;
  padding: 18px;
  margin: 8px 0 0;
  background: linear-gradient(180deg, #f8fbff, #f3f7ff);
}
.oee-fieldset legend {
  padding: 0 8px;
  color: #315f9f;
  font-weight: 800;
}
.oee-help {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: .9rem;
}
.oee-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.oee-fields label { font-size: .92rem; color: #475467; }
.oee-fields label span { color: var(--muted); font-weight: 600; font-size: .84rem; }
.oee-fields input { background: #fff; border-style: dashed; }

button, .file-button {
  border: 0;
  padding: 11px 16px;
  background: #e9eef7;
  color: #1d2733;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
button:hover, .file-button:hover { filter: brightness(.97); }
.primary-button { background: var(--primary); color: #fff; grid-column: 1 / -1; }
.primary-button:hover { background: var(--primary-dark); }
.danger-button { background: #fde8e7; color: var(--danger); }
.file-button input { display: none; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-top: 20px; }
.kpi { background: #f7f9fc; border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.kpi span { display: block; color: var(--muted); font-size: .9rem; }
.kpi strong { font-size: 1.7rem; }
.kpi strong.na-value, .na-value { color: var(--muted); font-size: 1.05rem; font-weight: 700; white-space: nowrap; line-height: 1; }
td .na-value { display: inline-block; font-size: .88rem; font-weight: 600; white-space: nowrap; }
.management-summary { background: #eef5ff; border-left: 5px solid var(--primary); padding: 16px; border-radius: 12px; color: #243b5a; }

.summary-list { display: grid; gap: 10px; }
.summary-item { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: #fbfcfe; }
.summary-item small { color: var(--muted); }
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tab.active { background: var(--primary); color: #fff; }

.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 1180px; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f6f8fb; color: #344054; font-size: .86rem; white-space: nowrap; }
td { font-size: .94rem; }
.status-dot { width: 16px; height: 16px; border-radius: 999px; display: inline-block; box-shadow: inset 0 0 0 2px rgba(255,255,255,.6); }
.status-green { background: var(--green); }
.status-yellow { background: var(--yellow); }
.status-red { background: var(--red); }
.delete-row { color: var(--danger); background: #fff1f0; padding: 8px 10px; }
.chart-card canvas { width: 100%; max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }

@media (max-width: 980px) {
  .layout, .grid-two { grid-template-columns: 1fr; }
  .kpi-grid, .production-form, .oee-fields { grid-template-columns: 1fr; }
}

.form-error {
  display: block;
  margin-bottom: 14px;
  color: var(--danger);
  font-weight: 700;
}
.form-error:empty { display: none; }
.status-gray { background: #98a2b3; }
.hint {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 999px;
  background: #fff4d6;
  color: #8a5a00;
  font-size: .76rem;
  font-weight: 700;
}
.warning-row { background: #fffaf0; }
.dashboard {
  width: min(1440px, calc(100% - 32px));
  margin: 24px auto;
}
.dashboard-heading {
  padding: 0 4px;
  color: var(--muted);
}
.dashboard-heading h2 { color: var(--text); }
.dashboard-grid { width: 100%; margin: 0; }
.chart-card h3 {
  margin: 0 0 14px;
  font-size: 1.05rem;
}
.chart-card canvas {
  display: block;
  width: 100%;
  height: 300px;
}
@media (max-width: 640px) {
  .layout, .grid-two, .controls, .table-card, .dashboard { width: min(100% - 20px, 1440px); margin: 16px auto; }
  .card { padding: 18px; border-radius: 14px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .button-row { flex-direction: column; }
  button, .file-button { width: 100%; }
  .chart-card canvas { height: 260px; }
}

select {
  width: 100%;
  border: 1px solid var(--line);
  padding: 11px 12px;
  background: #fbfcfe;
  color: var(--text);
  font: inherit;
  border-radius: 10px;
}
select:focus { outline: 3px solid rgba(31, 111, 235, .18); border-color: var(--primary); }
.project-management {
  grid-column: 1 / -1;
  margin-top: 18px;
  border: 1px solid #d7e3f5;
  border-radius: 14px;
  background: #f8fbff;
}
.project-management summary {
  cursor: pointer;
  padding: 13px 16px;
  color: #315f9f;
  font-weight: 800;
}
.project-panel {
  display: grid;
  gap: 14px;
  padding: 0 16px 16px;
}
.project-add-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}
.project-list { display: grid; gap: 8px; }
.project-row {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.project-meta { color: var(--muted); font-size: .82rem; }
.project-row.archived { opacity: .72; background: #f6f8fb; }
.project-row input { padding: 9px 10px; }
.project-message { color: var(--primary-dark); font-weight: 700; }
.project-message:empty { display: none; }
.dashboard-filter-card {
  margin-bottom: 18px;
  padding: 16px;
}
@media (max-width: 640px) {
  .quick-project-add, .project-add-row, .project-row { grid-template-columns: 1fr; }
}


.master-data-management {
  grid-column: 1 / -1;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfcfe;
}
.master-data-management summary {
  cursor: pointer;
  padding: 12px 14px;
  font-weight: 800;
  color: #315f9f;
}
.master-data-panel {
  display: grid;
  gap: 14px;
  padding: 0 14px 14px;
}
.master-data-panel h3 {
  margin: 4px 0 0;
  font-size: 1rem;
}
.master-data-add-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr) auto);
  gap: 10px;
  align-items: end;
}
.master-data-add-grid label { font-size: .9rem; color: var(--muted); }
.master-data-add-grid input { background: #fff; padding: 9px 10px; }
.master-data-add-grid button { padding: 9px 12px; white-space: nowrap; }
.project-list { display: grid; gap: 10px; }
.project-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.project-row.archived { opacity: .72; background: #f7f9fc; }
.project-meta { color: var(--muted); font-size: .8rem; margin-top: 4px; }
.project-message:not(:empty) {
  padding: 10px 12px;
  border-radius: 10px;
  background: #eef5ff;
  color: #243b5a;
  font-weight: 700;
}
.dashboard-filter-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 980px) {
  .master-data-add-grid, .dashboard-filter-card, .project-row { grid-template-columns: 1fr; }
}

.master-data-management {
  grid-column: 1 / -1;
  margin-top: 18px;
  border: 1px solid #d7e3f5;
  border-radius: 14px;
  background: #f8fbff;
}
.master-data-management summary {
  cursor: pointer;
  padding: 13px 16px;
  color: #315f9f;
  font-weight: 800;
}
.master-data-panel {
  display: grid;
  gap: 14px;
  padding: 0 16px 16px;
}
.master-data-add-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}
.master-data-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.master-data-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 14px;
  min-width: 0;
}
.master-data-card h3 { margin: 0 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.master-data-card .project-row {
  grid-template-columns: minmax(120px, 1fr);
}
.master-data-card .project-row button { width: 100%; padding: 8px 10px; }
.master-data-card .project-meta { font-weight: 700; }
.master-data-card .project-row.archived .project-meta { color: var(--danger); }

@media (max-width: 1100px) {
  .master-data-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .master-data-add-grid { grid-template-columns: 1fr; }
}

.master-delete-button {
  border-color: #f3b8b3;
  background: #fff5f5;
  color: #b42318;
  font-weight: 800;
}
.master-delete-button:hover {
  background: #ffe3e0;
  border-color: #e66a61;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(24px, 5vw, 72px);
}
.header-copy {
  flex: 1 1 auto;
  min-width: 0;
  max-width: none;
}
.header-title {
  max-width: 100%;
  font-size: clamp(2rem, 3.25vw, 2.95rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  white-space: nowrap;
}
.header-language {
  display: flex;
  flex: 0 0 auto;
  justify-content: flex-end;
  margin-left: auto;
  min-width: max-content;
  position: static;
  z-index: 1;
}
.language-switcher {
  display: inline-flex !important;
  visibility: visible;
  opacity: 1;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.65);
  border-radius: 999px;
  background: rgba(255,255,255,.18);
  color: #fff;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 8px 22px rgba(0,0,0,.18);
  backdrop-filter: blur(8px);
}
.language-switcher select {
  display: inline-block;
  visibility: visible;
  opacity: 1;
  width: auto;
  min-width: 128px;
  padding: 8px 34px 8px 10px;
  border: 2px solid #fff;
  background: #fff;
  color: #163b73;
  font-weight: 800;
  line-height: 1.2;
  box-shadow: 0 2px 8px rgba(0,0,0,.16);
}
.language-switcher select:focus {
  outline: 3px solid rgba(255,255,255,.45);
  border-color: #d7e8ff;
}
@media (max-width: 980px) {
  .app-header {
    gap: clamp(18px, 3vw, 32px);
  }
  .header-title {
    font-size: clamp(1.65rem, 3.2vw, 2.15rem);
  }
}
@media (max-width: 760px) {
  .app-header {
    flex-direction: column;
    align-items: stretch;
  }
  .header-copy {
    max-width: 100%;
  }
  .header-title {
    font-size: clamp(1.9rem, 9vw, 2.4rem);
    white-space: normal;
  }
  .header-language {
    justify-content: flex-start;
    margin-left: 0;
    min-width: 0;
    width: 100%;
  }
  .language-switcher {
    align-self: flex-start;
    flex-wrap: wrap;
    white-space: normal;
  }
  .language-switcher select {
    min-width: 140px;
  }
}