@import url('https://fonts.googleapis.com/css2?family=Fira+Sans:ital,wght@0,500;0,600;0,700;1,700&family=Roboto:wght@400;500;600;700&display=swap');

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

:root {
  --surface:                  #f7f9ff;
  --surface-variant:          #e1e2ec;
  --surface-container-low:    #f1f4f9;
  --surface-container:        #ebeef3;
  --surface-container-high:   #e6e8ee;
  --on-surface:               #181c20;
  --on-surface-variant:       #44464f;
  --primary:                  #485d92;
  --on-primary:               #ffffff;
  --primary-container:        #dae2ff;
  --on-primary-container:     #2f4578;
  --secondary:                #585e71;
  --secondary-container:      #dce2f9;
  --on-secondary-container:   #404659;
  --error:                    #c62828;
  --success:                  #2e7d32;
  --success-container:        #e8f5e9;
  --warning-container:        #fff8e1;
  --warning:                  #f57f17;
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --shadow-card: 0 4px 40px rgba(0,0,0,.07);
}

html { font-size: 16px; }

body {
  font-family: 'Roboto', sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 65px;
  background: rgba(247,249,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  z-index: 100;
}

.nav-logo { display: flex; align-items: center; gap: .5rem; text-decoration: none; }
.nav-logo img { height: 40px; }
.nav-badge {
  font-family: 'Fira Sans', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--on-primary-container);
  background: var(--primary-container);
  padding: 3px 8px;
  border-radius: 6px;
}

.nav-right { display: flex; align-items: center; gap: .75rem; }
.nav-user {
  font-size: .85rem;
  color: var(--on-surface-variant);
  font-weight: 500;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: 'Roboto', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity .15s, transform .15s;
  text-decoration: none;
}
.btn:active { transform: scale(.97); }

.btn-primary   { background: var(--primary); color: var(--on-primary); }
.btn-secondary { background: var(--primary-container); color: var(--on-primary-container); }
.btn-ghost     { background: transparent; color: var(--on-surface-variant); border: 1.5px solid var(--surface-variant); }
.btn-danger    { background: #fce4e4; color: var(--error); }
.btn-success   { background: var(--success-container); color: var(--success); }

.btn:hover { opacity: .88; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.btn-sm { padding: 6px 13px; font-size: .8rem; border-radius: var(--radius-sm); }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }

/* ── Cards ── */
.card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 1.75rem 2.25rem;
  box-shadow: var(--shadow-card);
}

.card-sm {
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
}

/* ── Form elements ── */
.form-group { display: flex; flex-direction: column; gap: .35rem; }

.form-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--on-surface-variant);
}

.form-input {
  font-family: 'Roboto', sans-serif;
  font-size: 1rem;
  color: var(--on-surface);
  background: var(--surface-container-low);
  border: 2px solid var(--surface-container);
  border-radius: 10px;
  padding: .75rem 1rem;
  outline: none;
  transition: border-color .2s;
  width: 100%;
}
.form-input:focus { border-color: var(--primary); }
.form-input.invalid { border-color: var(--error); }

/* ── Badges / Status ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .03em;
  white-space: nowrap;
}

.badge-pending  { background: var(--warning-container); color: var(--warning); }
.badge-accepted { background: var(--success-container); color: var(--success); }

/* ── Tabs / Filters ── */
.tabs { display: flex; gap: .4rem; flex-wrap: wrap; }
.tab {
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: var(--surface-container);
  color: var(--on-surface-variant);
  transition: background .15s, color .15s;
}
.tab.active { background: var(--primary); color: var(--on-primary); }
.tab:hover:not(.active) { background: var(--surface-container-high); }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); }

table {
  width: max-content;
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: .875rem;
}

thead th {
  padding: .7rem 1rem;
  text-align: left;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--on-surface-variant);
  background: var(--surface-container-low);
  border-bottom: 2px solid var(--surface-variant);
  white-space: nowrap;
}
thead th:first-child { border-radius: var(--radius-sm) 0 0 0; }

tbody tr {
  transition: background .12s;
}
tbody tr:hover { background: var(--surface-container-low); }

tbody td {
  padding: .8rem 1rem;
  vertical-align: middle;
  color: var(--on-surface);
  white-space: nowrap;
  border-bottom: 1px solid var(--surface-container);
}
tbody tr:last-child td { border-bottom: none; }

.td-ref {
  font-family: 'Fira Sans', sans-serif;
  font-weight: 700;
  color: var(--on-primary-container);
  font-size: .85rem;
}
.td-muted { color: var(--on-surface-variant); font-size: .85rem; }

/* Sticky Statut + Action columns (always visible) */
thead th:nth-child(9),
thead th:nth-child(10),
tbody td:nth-child(9),
tbody td:nth-child(10) {
  position: sticky;
  right: 0;
  z-index: 1;
}

/* Statut — offset by the width of Action column */
thead th:nth-child(9) {
  right: 52px;
  background: var(--surface-container-low);
  box-shadow: -2px 0 6px rgba(0,0,0,.06);
}
tbody td:nth-child(9) {
  right: 52px;
  background: #fff;
  box-shadow: -2px 0 6px rgba(0,0,0,.06);
}

/* Action */
thead th:nth-child(10) {
  right: 0;
  width: 52px;
  text-align: center;
  background: var(--surface-container-low);
  border-radius: 0 var(--radius-sm) 0 0;
}
tbody td:nth-child(10) {
  right: 0;
  width: 52px;
  text-align: center;
  background: #fff;
}

tbody tr:hover td:nth-child(9),
tbody tr:hover td:nth-child(10) { background: var(--surface-container-low); }


/* ── Meuble drawer ── */
.meuble-wrap {
  position: relative;
  display: inline-block;
}

.meuble-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1.5px solid var(--surface-variant);
  background: var(--surface-container-low);
  color: var(--on-surface);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, border-color .15s;
}
.meuble-badge:hover { background: var(--surface-container); border-color: var(--primary); }
.meuble-wrap.open .meuble-badge { border-color: var(--primary); background: var(--primary-container); color: var(--on-primary-container); }
.meuble-wrap.open .meuble-badge svg { transform: rotate(180deg); }

.meuble-drawer {
  display: none;
  position: fixed; /* escapes table overflow clipping */
  z-index: 9999;
  background: #fff;
  border: 1.5px solid var(--surface-variant);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
  padding: .6rem .85rem;
  min-width: 140px;
  flex-direction: column;
  gap: .3rem;
}
.meuble-wrap.open .meuble-drawer { display: flex; }
.meuble-drawer span {
  font-size: .85rem;
  color: var(--on-surface);
  white-space: nowrap;
  padding: 2px 0;
}

/* ── Check button (icon only) ── */
.btn-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: var(--success-container);
  cursor: pointer;
  transition: background .18s, transform .15s, box-shadow .18s;
}

.btn-check img { width: 16px; height: 16px; }

.btn-check:hover {
  background: #c8e6c9;
  transform: scale(1.18);
  box-shadow: 0 3px 10px rgba(46,125,50,.28);
}

.btn-check:active { transform: scale(.93); }

.btn-check:disabled {
  opacity: .4;
  cursor: not-allowed;
  transform: none;
}

.td-action {
  text-align: center;
  overflow: visible !important; /* don't clip the button */
}

/* ── Empty state ── */
.empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--on-surface-variant);
}
.empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: .4; }
.empty-text { font-size: 1rem; font-weight: 500; }

/* ── Stats row ── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.4rem;
  box-shadow: var(--shadow-card);
}
.stat-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--on-surface-variant);
  margin-bottom: .3rem;
}
.stat-value {
  font-family: 'Fira Sans', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

/* ── Toast ── */
.toast-wrap {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  z-index: 9999;
}
.toast {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: .9rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  animation: toast-in .3s cubic-bezier(.22,1,.36,1);
  max-width: 360px;
}
.toast-success { background: var(--success-container); color: var(--success); }
.toast-error   { background: #fce4e4; color: var(--error); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px) scale(.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Page layout ── */
.page-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(65px + 2rem) clamp(1rem, 4vw, 2.5rem) 3rem;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.page-title {
  font-family: 'Fira Sans', sans-serif;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--on-surface);
}
.page-subtitle {
  font-size: .9rem;
  color: var(--on-surface-variant);
  margin-top: .2rem;
}

/* ── Login layout ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--surface);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 2.5rem 2.25rem;
  box-shadow: var(--shadow-card);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 2rem;
}
.login-logo img { height: 44px; }

.login-title {
  font-family: 'Fira Sans', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: .35rem;
}
.login-sub {
  font-size: .9rem;
  color: var(--on-surface-variant);
  margin-bottom: 2rem;
}

.login-form { display: flex; flex-direction: column; gap: 1.1rem; }

.error-msg {
  font-size: .85rem;
  color: var(--error);
  background: #fce4e4;
  padding: .65rem 1rem;
  border-radius: var(--radius-sm);
  display: none;
}
.error-msg.visible { display: block; }

/* ── Spinner ── */
.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  display: none;
}
.btn-primary .spinner { border-color: rgba(255,255,255,.35); border-top-color: #fff; }
.loading .spinner { display: inline-block; }
.loading .btn-text { display: none; }

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

/* ── Responsive ── */
@media (max-width: 768px) {
  .page-header { flex-direction: column; }
  thead th:nth-child(4),
  tbody td:nth-child(4) { display: none; }
}

@media (max-width: 600px) {
  .card { padding: 1.25rem 1rem; }
  thead th:nth-child(5),
  tbody td:nth-child(5) { display: none; }
}