@import url('https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,400;0,700;0,900;1,700&display=swap');

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0c0c0c;
  --surface:  #111111;
  --surface2: #161616;
  --border:   #222222;
  --border2:  #2e2e2e;
  --text:     #ffffff;
  --muted:    #9a9a9a;
  --dim:      #444444;
  --green:    #C8F135;
  --green-bg: rgba(200, 241, 53, 0.08);
  --red:      #ff4d4d;
  --red-bg:   rgba(255, 77, 77, 0.1);
  --blue:     #4d9fff;
  --blue-bg:  rgba(77, 159, 255, 0.1);
  --yellow:   #ffcc00;
  --yellow-bg:rgba(255, 204, 0, 0.1);
  --font:     'Barlow', Arial, sans-serif;
  --radius:   2px;
  --sidebar-w: 220px;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== LAYOUT PRINCIPAL ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 10;
  padding: 0;
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.brand-name {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

.brand-name em {
  color: var(--green);
  font-style: italic;
}

.sidebar-role {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.nav-section {
  padding: 12px 20px 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: var(--green-bg);
  text-decoration: none;
}

.nav-link.active {
  color: var(--green);
  border-left: 2px solid var(--green);
}

.nav-link svg { flex-shrink: 0; opacity: 0.6; }
.nav-link.active svg, .nav-link:hover svg { opacity: 1; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--dim);
}

.sidebar-footer a {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-footer a:hover { color: var(--red); }

/* ===== MAIN CONTENT ===== */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 5;
}

.topbar-title {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.topbar-user {
  font-size: 12px;
  color: var(--dim);
  font-weight: 700;
}

.topbar-user span { color: var(--muted); }

.content {
  padding: 32px;
  flex: 1;
}

/* ===== PAGE CENTER (login, 404) ===== */
.page-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

/* ===== LOGIN ===== */
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 40px;
}

.login-brand {
  margin-bottom: 28px;
}

.login-title {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text);
}

.login-back {
  margin-top: 24px;
  font-size: 12px;
  text-align: center;
  color: var(--dim);
}

.login-back a { color: var(--muted); }

/* ===== 404 ===== */
.error-card {
  text-align: center;
  max-width: 400px;
}

.error-code {
  font-size: 120px;
  font-weight: 900;
  line-height: 1;
  color: var(--green);
  letter-spacing: -0.05em;
}

.error-card h1 { margin: 16px 0 8px; font-size: 24px; }
.error-card p  { color: var(--muted); margin-bottom: 24px; }

/* ===== HEADINGS ===== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* ===== STAT CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px 24px;
}

.stat-value {
  font-size: 36px;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
}

.stat-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 6px;
}

/* ===== CARDS ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 24px;
}

.card-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* ===== TABLE ===== */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th {
  text-align: left;
  padding: 10px 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  vertical-align: middle;
}

td strong { color: var(--text); }

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }

.td-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.badge-green  { background: var(--green-bg);  color: var(--green); }
.badge-blue   { background: var(--blue-bg);   color: var(--blue); }
.badge-yellow { background: var(--yellow-bg); color: var(--yellow); }
.badge-gray   { background: rgba(255,255,255,0.05); color: var(--dim); }
.badge-red    { background: var(--red-bg);    color: var(--red); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s, transform 0.15s;
  line-height: 1;
}

.btn:hover { opacity: 0.85; transform: translateY(-1px); text-decoration: none; }

.btn-primary  { background: var(--green); color: var(--bg); }
.btn-secondary{ background: transparent; color: var(--muted); border: 1px solid var(--border2); }
.btn-danger   { background: var(--red-bg); color: var(--red); border: 1px solid transparent; }
.btn-sm       { padding: 6px 12px; font-size: 10px; }
.btn-full     { width: 100%; }

/* ===== FORMS ===== */
.form { display: flex; flex-direction: column; gap: 0; }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
  background: var(--bg);
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  padding: 10px 14px;
  width: 100%;
  transition: border-color 0.15s;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--green);
}

select { cursor: pointer; }
textarea { resize: vertical; min-height: 100px; }

.field-hint {
  font-size: 11px;
  color: var(--dim);
}

/* ===== ALERTS ===== */
.alert {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
}

.alert-error   { background: var(--red-bg); color: var(--red); border-left: 3px solid var(--red); }
.alert-success { background: var(--green-bg); color: var(--green); border-left: 3px solid var(--green); }
.alert-info    { background: var(--blue-bg); color: var(--blue); border-left: 3px solid var(--blue); }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--dim);
}

.empty-state p { font-size: 14px; margin-bottom: 20px; }

/* ===== PREVIEW LINK ===== */
.preview-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  padding: 4px 0;
}

/* ===== COMMENTAIRES ===== */
.comment-list { display: flex; flex-direction: column; gap: 16px; }

.comment {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 16px;
}

.comment-meta {
  font-size: 11px;
  color: var(--dim);
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
}

.comment-author { color: var(--muted); font-weight: 700; }
.comment-body { font-size: 14px; color: var(--text); line-height: 1.6; }

/* ===== PROJET DETAIL ===== */
.projet-header {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.projet-titre { font-size: 22px; font-weight: 900; margin-bottom: 8px; }
.projet-meta  { font-size: 12px; color: var(--muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .content { padding: 20px 16px; }
  .field-row { grid-template-columns: 1fr; }
  .topbar { padding: 0 16px; }
}