/* ===== DESIGN SYSTEM — Ferrari (proxy: Inter) =====
   See DESIGN.md for full reference. */

/* ===== TOKENS ===== */
:root {
  /* Brand */
  --c-red:        #DA291C;
  --c-red-dark:   #B01E0A;
  --c-red-deep:   #9D2211;

  /* Surfaces */
  --c-black:      #000000;
  --c-dark:       #303030;
  --c-white:      #FFFFFF;
  --c-gray-light: #D2D2D2;

  /* Text */
  --c-text:       #181818;
  --c-text-2:     #666666;
  --c-text-3:     #8F8F8F;
  --c-text-4:     #969696;
  --c-border:     #CCCCCC;

  /* Semantic */
  --c-warn:       #F13A2C;
  --c-success:    #03904A;
  --c-info:       #4C98B9;
  --c-link-hover: #3860BE;

  /* Radius */
  --r:    2px;
  --r-md: 8px;

  /* Type */
  --font: 'Inter', Arial, Helvetica, sans-serif;
  --tracking-label:  1px;
  --tracking-button: 1.28px;
  --tracking-nav:    0.13px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: light; }

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  background: var(--c-white);
  color: var(--c-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--c-text); text-decoration: none; }
a:hover { color: var(--c-link-hover); }

main { flex: 1; }

/* ===== HEADER (full-width black bar) ===== */
header {
  background: var(--c-black);
  color: var(--c-white);
  border-bottom: none;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 25px;
  height: 60px;
  max-width: 1920px;
  margin: 0 auto;
}

.logo { display: flex; align-items: center; }
.logo img { height: 26px; filter: brightness(0) invert(1); }

.header-divider { display: none; }

.tagline {
  flex: 1;
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
}

.btn-profile, .btn-logout {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: var(--tracking-nav);
  color: var(--c-white);
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--r);
  text-decoration: none;
  transition: border-color 150ms;
}
.btn-profile:hover, .btn-logout:hover {
  color: var(--c-white);
  border-color: var(--c-white);
}

/* ===== FOOTER (dark surface) ===== */
footer {
  background: var(--c-dark);
  color: var(--c-text-3);
  padding: 25px;
  text-align: center;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  border-top: 1px solid var(--c-black);
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 25px;
}

/* ===== PAGE HEADER ===== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-gray-light);
  flex-wrap: wrap;
}

.page-header h1, .page-title {
  font-size: 26px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--c-text);
  letter-spacing: -0.01em;
}

.page-header-inner { width: 100%; }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--c-text-3); }
.breadcrumb a:hover { color: var(--c-link-hover); }
.breadcrumb span:not(:has(a)) { color: var(--c-text); }

/* ===== UPPERCASE LABEL ===== */
.label-upper {
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  line-height: 1.27;
}

/* ===== BUTTONS ===== */
.btn-primary, button.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-white);
  color: var(--c-black);
  border: 1px solid var(--c-black);
  border-radius: var(--r);
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: var(--tracking-button);
  cursor: pointer;
  transition: background 150ms, color 150ms;
  white-space: nowrap;
  min-height: 44px;
}
.btn-primary:hover { background: var(--c-black); color: var(--c-white); }

.btn-block { width: 100%; }

.btn-cta, button.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-red);
  color: var(--c-white);
  border: 1px solid var(--c-red);
  border-radius: var(--r);
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: var(--tracking-button);
  cursor: pointer;
  transition: background 150ms, border-color 150ms;
  white-space: nowrap;
  text-decoration: none;
  min-height: 44px;
}
.btn-cta:hover {
  background: var(--c-red-dark);
  border-color: var(--c-red-dark);
  color: var(--c-white);
}
.btn-cta:active {
  background: var(--c-red-deep);
  border-color: var(--c-red-deep);
}

.btn-ghost, a.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--c-white);
  border: 1px solid var(--c-white);
  border-radius: var(--r);
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: var(--tracking-button);
  cursor: pointer;
  transition: background 150ms, color 150ms;
  white-space: nowrap;
  text-decoration: none;
  min-height: 44px;
}
.btn-ghost:hover { background: var(--c-white); color: var(--c-black); }

.btn-copy {
  background: transparent;
  border: 1px solid var(--c-white);
  color: var(--c-white);
  padding: 6px 12px;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  border-radius: var(--r);
  cursor: pointer;
  transition: background 150ms, color 150ms;
}
.btn-copy:hover { background: var(--c-white); color: var(--c-black); }

.btn-dl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-text);
  padding: 6px 12px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--r);
  text-decoration: none;
  transition: background 150ms, border-color 150ms;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 32px;
  min-height: 32px;
}
.btn-dl:hover { background: var(--c-text); color: var(--c-white); border-color: var(--c-text); }
.btn-dl-sm { padding: 4px 10px; font-size: 12px; }

.btn-rm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r);
  color: var(--c-text-2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  flex-shrink: 0;
  transition: color 150ms, border-color 150ms;
}
.btn-rm:hover {
  color: var(--c-red);
  border-color: var(--c-red);
}

/* ===== ALERTS / FLASH (left-bordered, flat) ===== */
.alert, .flash {
  background: var(--c-white);
  color: var(--c-text);
  padding: 12px 16px;
  border: 1px solid var(--c-border);
  border-left-width: 3px;
  border-radius: var(--r);
  font-size: 14px;
  margin-bottom: 16px;
}
.alert-success, .flash-success { border-left-color: var(--c-success); }
.alert-error,   .flash-error   { border-left-color: var(--c-warn); }
.flash-warning                 { border-left-color: #F6C500; }

/* ===== INPUTS ===== */
input[type="text"], input[type="password"], input[type="email"], input[type="file"] {
  width: 100%;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--c-text);
  outline: none;
  transition: border-color 150ms;
}
input:focus { border-color: var(--c-black); }
input::placeholder { color: var(--c-text-4); }

/* form-group / form-label / form-input (profile + repo_new) */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-2);
}
.form-input {
  width: 100%;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--c-text);
  outline: none;
  transition: border-color 150ms;
}
.form-input:focus { border-color: var(--c-black); }
.form-input::placeholder { color: var(--c-text-4); }

/* ===== EDITORIAL CARD (generic) ===== */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-light);
  border-radius: var(--r);
  padding: 32px;
}

/* ===== REPO GRID ===== */
.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--c-gray-light);
  border: 1px solid var(--c-gray-light);
}

.repo-card {
  display: block;
  background: var(--c-white);
  padding: 24px;
  text-decoration: none;
  color: var(--c-text);
  transition: background 150ms;
}
.repo-card:hover { background: #FAFAFA; color: var(--c-text); }

.repo-icon { display: none; }

.repo-name {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 4px;
  color: var(--c-text);
}

.repo-meta {
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
}

.repo-card::before {
  content: 'REPOSITORY';
  display: block;
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  margin-bottom: 8px;
}

/* ===== HELM URL — DARK CINEMATIC STRIP ===== */
.repo-url-box {
  background: var(--c-black);
  color: var(--c-white);
  padding: 20px 25px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-radius: var(--r);
}

.repo-url-label {
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  flex-shrink: 0;
}

.repo-url-value {
  flex: 1;
  font-family: 'JetBrains Mono', Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--c-white);
  word-break: break-all;
  min-width: 0;
}

/* ===== SECTION ===== */
.section {
  margin-bottom: 40px;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-gray-light);
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.01em;
}

.section-body { padding-top: 8px; }

.chart-badge {
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  margin-left: auto;
}

/* ===== UPLOAD FORM ===== */
.upload-form {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.upload-form input[type="file"] {
  flex: 1;
  min-width: 240px;
  padding: 8px 12px;
}

/* ===== CHART SEARCH ===== */
.chart-search-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.chart-search {
  flex: 1;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: 10px 14px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--c-text);
  outline: none;
  transition: border-color 150ms;
}
.chart-search:focus { border-color: var(--c-black); }
.chart-count-label {
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  white-space: nowrap;
}

/* ===== CHART LIST ===== */
.chart-list {
  border-top: 1px solid var(--c-gray-light);
}

.chart-card {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-gray-light);
  transition: background 150ms;
}
.chart-card[open] { background: #FAFAFA; }
.chart-card:hover { background: #FAFAFA; }

.chart-card-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
}
.chart-card-summary::-webkit-details-marker { display: none; }

.chart-card-chevron {
  display: inline-block;
  font-size: 14px;
  color: var(--c-text-3);
  transition: transform 150ms;
  flex-shrink: 0;
  width: 12px;
}
.chart-card[open] .chart-card-chevron { transform: rotate(90deg); }

.chart-card-main {
  flex: 1;
  min-width: 0;
}

.chart-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chart-card-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--c-text);
}

.chart-version-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  border: 1px solid var(--c-border);
  padding: 2px 8px;
  border-radius: var(--r);
}

.chart-more-pill {
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
}

.chart-card-desc {
  margin-top: 4px;
  font-size: 13px;
  color: var(--c-text-2);
  line-height: 1.5;
}

.chart-latest-date {
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===== CHART VERSIONS (expanded) ===== */
.chart-versions {
  background: var(--c-white);
  border-top: 1px solid var(--c-gray-light);
}

.chart-version-row {
  display: grid;
  grid-template-columns: auto auto 1fr auto auto auto;
  align-items: center;
  gap: 12px;
  padding: 10px 20px 10px 44px;
  border-bottom: 1px solid var(--c-gray-light);
  font-size: 13px;
}
.chart-version-row:last-child { border-bottom: none; }

.chart-version-tag {
  font-family: 'JetBrains Mono', Menlo, Consolas, monospace;
  font-size: 12px;
  color: var(--c-text);
  background: transparent;
}

.chart-version-date {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  white-space: nowrap;
}

.chart-version-desc {
  font-size: 13px;
  color: var(--c-text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chart-size-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  white-space: nowrap;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 56px 24px;
  color: var(--c-text-3);
  background: var(--c-white);
  border: 1px solid var(--c-gray-light);
  border-radius: var(--r);
}
.empty-state-icon {
  font-size: 32px;
  color: var(--c-gray-light);
  margin-bottom: 12px;
  display: none;
}
.empty-state p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
}
.empty-state code {
  font-family: 'JetBrains Mono', Menlo, Consolas, monospace;
  font-size: 13px;
  background: #F4F4F4;
  padding: 2px 6px;
  border-radius: var(--r);
  color: var(--c-text);
}

/* ===== INLINE CODE ===== */
code {
  font-family: 'JetBrains Mono', Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: #F4F4F4;
  padding: 2px 6px;
  border-radius: var(--r);
  color: var(--c-text);
}

/* ===== LOGIN — BLACK HERO ===== */
body.login-body {
  background: var(--c-black);
}

.login-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: var(--c-black);
  min-height: 100vh;
}

.login-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 400px;
  gap: 40px;
}

.login-logo {
  display: flex;
  justify-content: center;
}
.login-logo img {
  height: 36px;
  filter: brightness(0) invert(1);
}

.login-card {
  background: var(--c-white);
  border-radius: var(--r);
  padding: 40px 32px;
  width: 100%;
}

.login-title {
  font-size: 24px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 6px;
  color: var(--c-text);
  letter-spacing: -0.01em;
}

.login-sub {
  font-size: 11px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-3);
  margin-bottom: 32px;
}

.login-form { display: flex; flex-direction: column; gap: 16px; }

.field { display: flex; flex-direction: column; gap: 6px; }

.field label {
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--c-text-2);
}

.field input {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--c-text);
  outline: none;
  transition: border-color 150ms;
}
.field input:focus { border-color: var(--c-black); }
.field input::placeholder { color: var(--c-text-4); }

/* ===== UTILITIES ===== */
.row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .container { padding: 24px 16px; }
  .header-inner { padding: 0 16px; gap: 12px; }
  .tagline { display: none; }
  .repo-grid { grid-template-columns: 1fr; }
  .chart-card-desc { display: none; }
  .chart-latest-date { display: none; }
  .chart-version-row {
    grid-template-columns: auto 1fr auto auto;
    padding-left: 24px;
  }
  .chart-version-date { display: none; }
  .chart-version-desc { display: none; }
  .repo-url-box { padding: 16px; }
  .login-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .page-header h1 { font-size: 22px; }
  .upload-form { flex-direction: column; align-items: stretch; }
  .upload-form .btn-primary, .upload-form .btn-cta { width: 100%; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-gray-light); border-radius: var(--r); }
::-webkit-scrollbar-thumb:hover { background: var(--c-text-3); }