/* ═══════════════════════════════════════════════════════════════════════════ */
/* VARIÁVEIS & RESET                                                         */
/* ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --bg-dark: #0a0f18;
  --bg-light: #ecf7ff;
  --primary: #1f9ac3;
  --primary-light: rgba(42, 165, 212, 0.18);
  --primary-fg: #f7fdff;

  --card-bg: rgba(10, 18, 30, 0.86);
  --card-border: rgba(181, 204, 228, 0.2);
  --card-hover-border: rgba(42, 165, 212, 0.6);

  --text: #e9f5ff;
  --text-muted: rgba(194, 214, 232, 0.84);
  --text-dim: rgba(158, 183, 206, 0.72);

  --sidebar-bg: rgba(8, 15, 26, 0.94);
  --sidebar-border: rgba(181, 204, 228, 0.16);
  --sidebar-hover: rgba(184, 207, 229, 0.12);

  --destructive: #ef4444;
  --warning: #eab308;

  --border: rgba(181, 204, 228, 0.2);
  --input-bg: transparent;

  --radius: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.25);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.4);

  --btn-height: 40px;
  --btn-radius: 14px;
  --btn-pad-x: 16px;
  --btn-border: rgba(147, 200, 229, 0.2);
  --btn-glow: 0 12px 24px rgba(18, 60, 92, 0.18);
  --btn-primary-bg: linear-gradient(135deg, rgba(54, 186, 231, 0.95), rgba(31, 130, 197, 0.92));
  --btn-secondary-bg: linear-gradient(135deg, rgba(19, 35, 55, 0.92), rgba(14, 28, 44, 0.88));
  --btn-secondary-border: rgba(147, 200, 229, 0.18);
  --btn-danger-bg: linear-gradient(135deg, rgba(228, 91, 103, 0.92), rgba(176, 55, 66, 0.9));
  --btn-edit-bg: linear-gradient(135deg, rgba(233, 170, 62, 0.94), rgba(186, 118, 32, 0.92));

  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 324px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(circle at 14% 20%, rgba(33, 135, 171, 0.22), transparent 34%),
    radial-gradient(circle at 84% 80%, rgba(90, 138, 170, 0.377), transparent 38%),
    #0a0f18;
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--text);
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; cursor: pointer; font-family: inherit; font-size: inherit; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
::selection { background: var(--primary); color: var(--primary-fg); }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.hidden { display: none !important; }

/* ═══════════════════════════════════════════════════════════════════════════ */
/* GENERIC                                                                    */
/* ═══════════════════════════════════════════════════════════════════════════ */

.btn-icon-sm {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: var(--text-muted);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--btn-secondary-border);
  background: linear-gradient(135deg, rgba(18, 34, 53, 0.88), rgba(11, 24, 40, 0.82));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 8px 18px rgba(5, 16, 28, 0.18);
}
.btn-icon-sm:hover {
  color: var(--text);
  border-color: rgba(102, 209, 243, 0.38);
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(6, 27, 42, 0.26);
}

.btn-save,
.btn-filter-apply,
.btn-start,
.btn-upload,
.btn-ata-email,
.btn-new-meeting,
.ws-open-planning:not(.ws-open-edit):not(.ws-open-danger) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--btn-height);
  padding: 10px var(--btn-pad-x);
  border-radius: var(--btn-radius);
  border: 1px solid rgba(126, 219, 255, 0.18);
  color: var(--primary-fg);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  background: var(--btn-primary-bg);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), var(--btn-glow);
  transition: transform .18s ease, box-shadow .2s ease, filter .2s ease, border-color .2s ease;
}

.btn-cancel,
.btn-layout,
.btn-back,
.btn-add-member,
.attachment-action,
.btn-add-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--btn-height);
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--btn-secondary-border);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  background: var(--btn-secondary-bg);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 10px 20px rgba(5, 16, 28, 0.16);
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}

.ws-open-planning.ws-open-edit {
  background: var(--btn-edit-bg);
  border-color: rgba(239, 198, 118, 0.24);
}

.ws-open-planning.ws-open-danger {
  background: var(--btn-danger-bg);
  border-color: rgba(255, 157, 169, 0.2);
}

.btn-save:hover,
.btn-filter-apply:hover,
.btn-start:hover,
.btn-upload:hover,
.btn-ata-email:hover,
.btn-new-meeting:hover,
.ws-open-planning:hover,
.btn-cancel:hover,
.btn-layout:hover,
.btn-back:hover,
.btn-add-member:hover,
.attachment-action:hover,
.btn-add-circle:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow: 0 14px 28px rgba(8, 31, 48, 0.24);
}

.btn-save:active,
.btn-filter-apply:active,
.btn-start:active,
.btn-upload:active,
.btn-ata-email:active,
.btn-new-meeting:active,
.ws-open-planning:active,
.btn-cancel:active,
.btn-layout:active,
.btn-back:active,
.btn-add-member:active,
.attachment-action:active,
.btn-add-circle:active {
  transform: translateY(0);
}

#btnEditName {
  color: #d5a14d;
}

#btnEditName:hover {
  color: #e6bc7a;
}

.magnetic-btn {
  transition: transform .18s ease, box-shadow .2s ease, filter .2s ease;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .magnetic-btn {
    transition: none !important;
  }

  #listView.view-animating,
  #detailView.view-animating {
    transition: none !important;
  }

  .main-area::after {
    transition: none !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* APP LAYOUT                                                                 */
/* ═══════════════════════════════════════════════════════════════════════════ */

.app-layout { display: flex; height: 100vh; overflow: hidden; }
.main-area { flex: 1; display: flex; flex-direction: column; min-width: 0; overflow: hidden; position: relative; }

.main-area::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  backdrop-filter: blur(0px);
  background: radial-gradient(circle at 50% 30%, rgba(42, 165, 212, 0.1), rgba(8, 15, 26, 0.08));
  transition: opacity .26s ease, backdrop-filter .34s ease;
  z-index: 5;
}

.main-area.view-switching::after {
  opacity: 1;
  backdrop-filter: blur(4px);
}

#listView,
#detailView {
  will-change: opacity, transform;
}

#listView.view-animating,
#detailView.view-animating {
  position: absolute;
  inset: 0;
  transition: opacity .3s ease, transform .42s cubic-bezier(.2,.72,.2,1);
}

.view-forward.view-enter {
  opacity: 0;
  transform: translateX(26px) scale(0.985);
  z-index: 3;
}

.view-forward.view-enter.is-active {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.view-forward.view-exit {
  opacity: 1;
  transform: translateX(0) scale(1);
  z-index: 2;
}

.view-forward.view-exit.is-inactive {
  opacity: 0;
  transform: translateX(-22px) scale(0.992);
}

.view-backward.view-enter {
  opacity: 0;
  transform: translateX(-24px) scale(0.988);
  z-index: 3;
}

.view-backward.view-enter.is-active {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.view-backward.view-exit {
  opacity: 1;
  transform: translateX(0) scale(1);
  z-index: 2;
}

.view-backward.view-exit.is-inactive {
  opacity: 0;
  transform: translateX(26px) scale(0.992);
}