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

:root {
  --navy:   #1e3a5f;
  --navy2:  #162d4a;
  --navy3:  #0f1f35;
  --gold:   #c9a84c;
  --gold2:  #e8c96b;
  --light:  #f0f4f8;
  --white:  #ffffff;
  --text:   #1e293b;
  --muted:  #64748b;
  --border: #e2e8f0;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.18);
}

html, body { height: 100%; font-family: 'Inter', sans-serif; font-size: 15px; color: var(--text); background: var(--light); }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; }

/* ─── Typography ─────────────────────────────────────────────────────────── */
h1 { font-size: 2rem; font-weight: 800; }
h2 { font-size: 1.5rem; font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 99px; }

/* ─── Utility ────────────────────────────────────────────────────────────── */
.flex   { display: flex; }
.col    { flex-direction: column; }
.center { align-items: center; justify-content: center; }
.gap-1  { gap: .5rem; }
.gap-2  { gap: 1rem; }
.gap-3  { gap: 1.5rem; }
.mt-1   { margin-top: .5rem; }
.mt-2   { margin-top: 1rem; }
.mt-3   { margin-top: 1.5rem; }
.mb-2   { margin-bottom: 1rem; }
.w-full { width: 100%; }
.text-muted { color: var(--muted); font-size: .875rem; }
.text-sm    { font-size: .875rem; }
.text-xs    { font-size: .75rem; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.fw-bold { font-weight: 700; }
.hidden  { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── Card ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: .875rem;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 1rem; font-weight: 700; color: var(--navy); }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem 1.25rem; border-radius: 8px; border: none;
  font-size: .875rem; font-weight: 600; transition: .15s;
  white-space: nowrap;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-primary  { background: var(--navy); color: #fff; }
.btn-gold     { background: var(--gold); color: #fff; }
.btn-success  { background: #10b981; color: #fff; }
.btn-danger   { background: #ef4444; color: #fff; }
.btn-ghost    { background: transparent; color: var(--navy); border: 1.5px solid var(--border); }
.btn-ghost:hover { background: var(--light); }
.btn-sm { padding: .35rem .85rem; font-size: .8rem; }
.btn-lg { padding: .8rem 2rem; font-size: 1rem; }
.btn-icon { width: 36px; height: 36px; padding: 0; justify-content: center; align-items: center; border-radius: 8px; }

/* ─── Badge ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .2rem .55rem; border-radius: 99px;
  font-size: .7rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase;
}
.badge-green  { background: #d1fae5; color: #065f46; }
.badge-blue   { background: #dbeafe; color: #1e40af; }
.badge-red    { background: #fee2e2; color: #991b1b; }
.badge-amber  { background: #fef3c7; color: #92400e; }
.badge-purple { background: #ede9fe; color: #5b21b6; }
.badge-gray   { background: var(--border); color: var(--muted); }

/* ─── Table ──────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
thead tr { background: var(--navy); color: #fff; }
thead th { padding: .7rem 1rem; font-size: .78rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; text-align: left; white-space: nowrap; }
tbody tr { border-bottom: 1px solid var(--border); transition: background .1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }
td { padding: .65rem 1rem; font-size: .875rem; vertical-align: middle; }

/* ─── Form ───────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group label { font-size: .8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.form-control {
  width: 100%; padding: .6rem .85rem;
  border: 1.5px solid var(--border); border-radius: 8px;
  font-size: .9rem; font-family: inherit; color: var(--text);
  transition: border-color .15s, box-shadow .15s;
  background: var(--white);
}
.form-control:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,.15); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; padding-right: 2rem; }

/* ─── Avatar ─────────────────────────────────────────────────────────────── */
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .85rem; flex-shrink: 0;
  background: var(--navy); color: var(--gold);
}
.avatar-lg { width: 64px; height: 64px; font-size: 1.4rem; }
.avatar-xl { width: 90px; height: 90px; font-size: 2rem; }

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
  backdrop-filter: blur(4px);
  animation: fadeIn .15s ease;
}
.modal {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); width: min(500px, 95vw);
  max-height: 90vh; overflow-y: auto;
  animation: slideUp .2s ease;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
}
.modal-body   { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: .75rem; }

/* ─── Toast ──────────────────────────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 2000;
  background: var(--navy3); color: #fff;
  padding: .75rem 1.25rem; border-radius: 10px;
  font-size: .875rem; font-weight: 500;
  box-shadow: var(--shadow-lg);
  max-width: 320px;
  animation: slideInRight .25s ease;
}

/* ─── Stat Card ──────────────────────────────────────────────────────────── */
.stat-card {
  background: var(--white); border-radius: var(--radius); padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow); border-left: 4px solid var(--gold);
  display: flex; flex-direction: column; gap: .35rem;
}
.stat-value { font-size: 2rem; font-weight: 800; color: var(--navy); line-height: 1; }
.stat-label { font-size: .8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

/* ─── Period Indicator ───────────────────────────────────────────────────── */
.period-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem 1.25rem; border-radius: 99px;
  font-weight: 700; font-size: 1rem;
}

/* ─── Animations ─────────────────────────────────────────────────────────── */
@keyframes fadeIn    { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp   { from { transform: translateY(20px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes slideDown { from { transform: translateY(-10px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes slideInRight { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes pulse     { 0%, 100% { opacity: 1; } 50% { opacity: .6; } }
@keyframes scaleIn   { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes shake     { 0%, 100% { transform: none; } 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

.anim-scaleIn   { animation: scaleIn .3s cubic-bezier(.34,1.56,.64,1); }
.anim-shake     { animation: shake .4s ease; }
.anim-fadeIn    { animation: fadeIn .3s ease; }
.anim-slideDown { animation: slideDown .25s ease; }

/* ─── Divider ────────────────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }

/* ─── Responsive helpers ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}