/* ==========================================================================
   IEBSPS — Sistema myMusiCapp
   Design system partilhado. Carregado por todas as páginas depois do
   Bootstrap, para uniformizar o aspecto visual de toda a aplicação.
   ========================================================================== */

:root {
  /* Cores base */
  --ie-bg: #eef2f8;
  --ie-surface: #ffffff;
  --ie-surface-2: #f6f8fc;
  --ie-ink: #101828;
  --ie-ink-soft: #475467;
  --ie-muted: #98a2b3;
  --ie-line: #e3e8f0;

  /* Marca */
  --ie-primary: #1d4ed8;
  --ie-primary-600: #1e40af;
  --ie-primary-soft: #e8effe;
  --ie-accent: #0ea5a4;
  --ie-success: #12b76a;
  --ie-warning: #f79009;
  --ie-danger: #e5484d;

  --ie-grad: linear-gradient(135deg, #1d4ed8 0%, #4f46e5 55%, #0ea5a4 100%);
  --ie-grad-soft: linear-gradient(135deg, #eef2ff 0%, #e6fffb 100%);

  /* Forma */
  --ie-radius: 14px;
  --ie-radius-sm: 10px;
  --ie-radius-lg: 22px;
  --ie-shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --ie-shadow: 0 4px 6px -2px rgba(16, 24, 40, .05), 0 12px 24px -4px rgba(16, 24, 40, .10);
  --ie-shadow-lg: 0 24px 48px -12px rgba(16, 24, 40, .22);
  --ie-ring: 0 0 0 4px rgba(29, 78, 216, .16);

  --ie-font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--ie-font);
  color: var(--ie-ink);
  background-color: var(--ie-bg);
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ie-ink);
}

h1, .h1 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem); }
h2, .h2 { font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem); }
h3, .h3 { font-size: 1.3rem; }

a { color: var(--ie-primary); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--ie-primary-600); text-decoration: none; }

hr { border-color: var(--ie-line); opacity: 1; }

::selection { background: var(--ie-primary-soft); color: var(--ie-primary-600); }

/* Scrollbar discreta */
* { scrollbar-width: thin; scrollbar-color: #c7cede transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: #c7cede; border-radius: 999px; border: 3px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-track { background: transparent; }

/* ---------- Cartões ---------- */
.card,
.panel,
.box {
  background: var(--ie-surface);
  border: 1px solid var(--ie-line);
  border-radius: var(--ie-radius-lg);
  box-shadow: var(--ie-shadow-sm);
  transition: box-shadow .22s ease, transform .22s ease;
}

.card:hover { box-shadow: var(--ie-shadow); }

.card-header {
  background: var(--ie-surface-2);
  border-bottom: 1px solid var(--ie-line);
  font-weight: 650;
  border-radius: var(--ie-radius-lg) var(--ie-radius-lg) 0 0 !important;
  padding: .9rem 1.25rem;
}

.card-body { padding: 1.35rem; }

.card-footer {
  background: var(--ie-surface-2);
  border-top: 1px solid var(--ie-line);
  border-radius: 0 0 var(--ie-radius-lg) var(--ie-radius-lg) !important;
}

/* ---------- Botões ---------- */
.btn {
  border-radius: var(--ie-radius-sm);
  font-weight: 600;
  letter-spacing: .01em;
  padding: .6rem 1.15rem;
  border-width: 1px;
  transition: transform .16s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
}

.btn:focus, .btn:focus-visible { outline: none; box-shadow: var(--ie-ring); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary,
.btn-primary:not(:disabled):not(.disabled) {
  background-image: var(--ie-grad);
  background-color: var(--ie-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 16px -6px rgba(29, 78, 216, .55);
}
.btn-primary:hover { background-color: var(--ie-primary-600); color: #fff; box-shadow: 0 10px 22px -8px rgba(29, 78, 216, .65); }

.btn-secondary { background: #667085; border-color: #667085; color: #fff; }
.btn-success   { background: var(--ie-success); border-color: var(--ie-success); color: #fff; }
.btn-danger    { background: var(--ie-danger); border-color: var(--ie-danger); color: #fff; }
.btn-warning   { background: var(--ie-warning); border-color: var(--ie-warning); color: #fff; }
.btn-info      { background: var(--ie-accent); border-color: var(--ie-accent); color: #fff; }

.btn-outline-primary { color: var(--ie-primary); border-color: #c7d5f7; background: #fff; }
.btn-outline-primary:hover { background: var(--ie-primary-soft); color: var(--ie-primary-600); border-color: var(--ie-primary); }

.btn-light, .btn-outline-secondary {
  background: #fff; border-color: var(--ie-line); color: var(--ie-ink-soft);
}
.btn-light:hover, .btn-outline-secondary:hover { background: var(--ie-surface-2); color: var(--ie-ink); }

.btn-sm { padding: .35rem .75rem; font-size: .85rem; border-radius: 8px; }
.btn-lg { padding: .85rem 1.6rem; font-size: 1.05rem; border-radius: 12px; }
.btn-block { width: 100%; }

/* Botões "nus" usados em páginas antigas */
button:not([class]),
input[type="submit"]:not([class]),
input[type="button"]:not([class]) {
  background-image: var(--ie-grad);
  color: #fff;
  border: none;
  border-radius: var(--ie-radius-sm);
  padding: .6rem 1.2rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 16px -6px rgba(29, 78, 216, .5);
  transition: transform .16s ease, box-shadow .2s ease;
}
button:not([class]):hover,
input[type="submit"]:not([class]):hover { transform: translateY(-1px); }

/* ---------- Formulários ---------- */
label { font-weight: 600; font-size: .9rem; color: var(--ie-ink-soft); margin-bottom: .35rem; }

.form-control, .form-select, .custom-select,
input[type="text"], input[type="password"], input[type="email"], input[type="number"],
input[type="date"], input[type="time"], input[type="search"], input[type="tel"], input[type="url"],
select, textarea {
  width: 100%;
  max-width: 100%;
  background: #fff;
  border: 1px solid var(--ie-line);
  border-radius: var(--ie-radius-sm);
  padding: .62rem .85rem;
  font: inherit;
  color: var(--ie-ink);
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.form-control:focus, .form-select:focus,
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--ie-primary);
  box-shadow: var(--ie-ring);
  background: #fff;
}

input[type="checkbox"], input[type="radio"] { width: auto; accent-color: var(--ie-primary); }
input[type="file"] { padding: .5rem; background: var(--ie-surface-2); }

::placeholder { color: var(--ie-muted); }

.form-group { margin-bottom: 1rem; }

/* ---------- Tabelas ---------- */
table, .table {
  width: 100%;
  background: var(--ie-surface);
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--ie-radius);
  overflow: hidden;
  box-shadow: var(--ie-shadow-sm);
}

table th, .table th {
  background: var(--ie-surface-2);
  color: var(--ie-ink-soft);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--ie-line);
  text-align: left;
  white-space: nowrap;
}

table td, .table td {
  padding: .8rem 1rem;
  border-top: 1px solid var(--ie-line);
  vertical-align: middle;
}

.table-striped tbody tr:nth-of-type(odd) { background: #fbfcfe; }
table tbody tr, .table tbody tr { transition: background-color .15s ease; }
table tbody tr:hover, .table tbody tr:hover { background: var(--ie-primary-soft); }

/* Tabelas largas em telemóvel */
.table-responsive, .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---------- Alertas / badges ---------- */
.alert {
  border: 1px solid transparent;
  border-radius: var(--ie-radius);
  padding: .85rem 1.1rem;
  font-size: .94rem;
}
.alert-success { background: #e9fbf2; border-color: #b7f0d2; color: #05603a; }
.alert-danger  { background: #fdecec; border-color: #fbc8c8; color: #a32226; }
.alert-warning { background: #fff6e6; border-color: #fedfa8; color: #93500a; }
.alert-info    { background: var(--ie-primary-soft); border-color: #c7d5f7; color: var(--ie-primary-600); }

.badge {
  border-radius: 999px;
  padding: .3em .7em;
  font-weight: 650;
  font-size: .75rem;
  letter-spacing: .01em;
}

/* ---------- Navegação ---------- */
.navbar {
  background: var(--ie-surface) !important;
  border-bottom: 1px solid var(--ie-line);
  box-shadow: var(--ie-shadow-sm);
  padding: .7rem 1rem;
}
.navbar-brand { font-weight: 800; letter-spacing: -.02em; color: var(--ie-ink) !important; }
.nav-link { font-weight: 600; color: var(--ie-ink-soft) !important; border-radius: 8px; padding: .45rem .8rem !important; }
.nav-link:hover, .nav-link.active { color: var(--ie-primary) !important; background: var(--ie-primary-soft); }

/* ---------- Layout utilitário ---------- */
.container, .container-fluid { padding-left: 1rem; padding-right: 1rem; }
.container { max-width: 1140px; }

.ie-page { padding: 2rem 0 3rem; }

.ie-title {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.25rem;
}

.ie-surface {
  background: var(--ie-surface);
  border: 1px solid var(--ie-line);
  border-radius: var(--ie-radius-lg);
  box-shadow: var(--ie-shadow-sm);
  padding: 1.5rem;
}

img { max-width: 100%; height: auto; }

/* ---------- Impressão ---------- */
@media print {
  body { background: #fff; }
  .navbar, .btn, .no-print { display: none !important; }
  .card, table { box-shadow: none; border: 1px solid #ddd; }
}

/* ---------- Telemóvel ---------- */
@media (max-width: 640px) {
  .card-body { padding: 1.1rem; }
  table th, table td, .table th, .table td { padding: .65rem .7rem; font-size: .9rem; }
  .btn { padding: .55rem 1rem; }
}

/* ---------- Acessibilidade ---------- */
:focus-visible { outline: 2px solid var(--ie-primary); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}