/* ============================================================
   Tema — variáveis de cor (claro/escuro)
   ============================================================ */
:root {
  --radius: 16px;
  --radius-sm: 10px;
  --accent: #6d5efc;
  --accent-2: #9d7bff;
  --accent-grad: linear-gradient(135deg, #6d5efc 0%, #9d7bff 100%);
  --green: #21c08b;
  --green-soft: rgba(33, 192, 139, 0.14);
  --red: #ff5c79;
  --red-soft: rgba(255, 92, 121, 0.14);
  --amber: #ffb648;
  --amber-soft: rgba(255, 182, 72, 0.16);
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg: #0c0d14;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, rgba(109, 94, 252, 0.18), transparent 60%),
             radial-gradient(900px 500px at -10% 10%, rgba(157, 123, 255, 0.12), transparent 55%);
  --surface: #161823;
  --surface-2: #1d2030;
  --surface-hover: #232739;
  --border: rgba(255, 255, 255, 0.07);
  --text: #eef0f6;
  --text-soft: #a6abc0;
  --text-dim: #6f7488;
  --shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.7);
}

[data-theme="light"] {
  --bg: #f4f5fb;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, rgba(109, 94, 252, 0.12), transparent 60%),
             radial-gradient(900px 500px at -10% 10%, rgba(157, 123, 255, 0.1), transparent 55%);
  --surface: #ffffff;
  --surface-2: #f6f7fc;
  --surface-hover: #eef0f9;
  --border: rgba(20, 20, 50, 0.08);
  --text: #1a1c2b;
  --text-soft: #5b6075;
  --text-dim: #9a9fb5;
  --shadow: 0 18px 50px -24px rgba(40, 40, 90, 0.28);
}

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

body {
  min-height: 100vh;
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition), color var(--transition);
}

.hidden { display: none !important; }
.spacer { flex: 1; }

/* ============================================================
   Botões
   ============================================================ */
.btn {
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
              background var(--transition), border-color var(--transition), opacity var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn--sm { padding: 8px 13px; font-size: 13px; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(109, 94, 252, 0.8);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 14px 30px -10px rgba(109, 94, 252, 0.95); }

.btn--ghost {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover { background: var(--surface-hover); transform: translateY(-1px); }

.btn--danger-ghost {
  background: transparent;
  color: var(--red);
  border-color: var(--red-soft);
}
.btn--danger-ghost:hover { background: var(--red-soft); }

.icon-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-soft);
  width: 40px; height: 40px;
  border-radius: 12px;
  font-size: 20px; line-height: 1;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.icon-btn:hover { background: var(--surface-hover); color: var(--text); transform: translateY(-1px); }

/* toggle de tema */
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  cursor: pointer;
  position: relative;
  transition: background var(--transition), transform var(--transition);
}
.theme-toggle:hover { background: var(--surface-hover); transform: translateY(-1px); }
.theme-toggle::before {
  content: "🌙";
  font-size: 18px;
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
[data-theme="light"] .theme-toggle::before { content: "☀️"; }
.theme-toggle--floating { position: fixed; top: 22px; right: 22px; }

/* ============================================================
   Login
   ============================================================ */
.login-view {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px 34px;
  box-shadow: var(--shadow);
  animation: rise var(--transition);
}
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.login-sub { color: var(--text-soft); margin: 6px 0 26px; font-size: 14px; }

.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--accent-grad);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 20px;
  box-shadow: 0 8px 20px -8px rgba(109, 94, 252, 0.9);
}
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -0.4px; }
.brand--lg .brand-mark { width: 52px; height: 52px; font-size: 26px; }
.brand--lg .brand-name { font-size: 24px; }

/* ============================================================
   Campos de formulário
   ============================================================ */
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.field > span { font-size: 13px; font-weight: 500; color: var(--text-soft); }
.field input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font: inherit; font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.field input::placeholder { color: var(--text-dim); }
.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(109, 94, 252, 0.18);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.check { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-soft); cursor: pointer; margin: 4px 0 8px; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.form-error { color: var(--red); font-size: 13px; min-height: 18px; margin-bottom: 8px; }

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 22px;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.period-nav { display: flex; align-items: center; gap: 8px; margin: 0 auto; }
.period-label {
  position: relative;
  min-width: 150px; text-align: center;
  font-weight: 700; font-size: 15px;
  padding: 8px 16px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid var(--border);
  cursor: pointer; text-transform: capitalize;
}
.period-label input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.avatar {
  width: 28px; height: 28px; border-radius: 9px;
  background: var(--accent-grad); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
}
.menu { position: relative; }
.menu-pop {
  position: absolute; right: 0; top: 50px;
  width: 230px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow);
  padding: 8px; z-index: 30;
  animation: rise var(--transition);
}
.menu-user { font-size: 13px; color: var(--text-soft); padding: 8px 10px 10px; border-bottom: 1px solid var(--border); margin-bottom: 6px; }
.menu-item {
  display: block; width: 100%; text-align: left;
  background: transparent; border: none; color: var(--text);
  padding: 10px 12px; border-radius: 9px; font: inherit; font-size: 14px; cursor: pointer;
  transition: background var(--transition);
}
.menu-item:hover { background: var(--surface-hover); }
.menu-item--danger { color: var(--red); }

/* ============================================================
   Container / cards
   ============================================================ */
.container { max-width: 1080px; margin: 0 auto; padding: 26px 22px 60px; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform var(--transition);
}
.card:hover { transform: translateY(-2px); }
.card::after {
  content: ""; position: absolute; right: -30px; top: -30px;
  width: 90px; height: 90px; border-radius: 50%;
  background: var(--card-accent, var(--accent)); opacity: 0.10;
}
.card-label { font-size: 13px; color: var(--text-soft); font-weight: 500; display: flex; align-items: center; gap: 7px; }
.card-value { font-size: 23px; font-weight: 800; letter-spacing: -0.6px; margin-top: 10px; }
.card-value.pos { color: var(--green); }
.card-value.neg { color: var(--red); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

/* progresso */
.progress-wrap {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; margin-bottom: 22px;
  box-shadow: var(--shadow);
}
.progress-head { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-soft); margin-bottom: 11px; font-weight: 500; }
.progress-track { height: 9px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.progress-bar { height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, var(--green), #5fe0b0); transition: width 500ms cubic-bezier(0.4,0,0.2,1); }

/* ============================================================
   Painéis / listas
   ============================================================ */
.columns { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
.panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.panel-head h2 { font-size: 16px; font-weight: 700; letter-spacing: -0.3px; }

.list { display: flex; flex-direction: column; gap: 9px; }
.row {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface-2); border: 1px solid transparent;
  border-radius: 13px; padding: 12px 14px;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}
.row:hover { border-color: var(--border); transform: translateX(2px); }
.row.is-paid .row-name { color: var(--text-dim); text-decoration: line-through; }

.toggle {
  flex: none; width: 44px; height: 26px; border-radius: 99px;
  background: var(--surface-hover); border: 1px solid var(--border);
  position: relative; cursor: pointer; transition: background var(--transition);
}
.toggle::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--text-dim); transition: transform var(--transition), background var(--transition);
}
.toggle.on { background: var(--green-soft); border-color: transparent; }
.toggle.on::after { transform: translateX(18px); background: var(--green); }

.row-main { flex: 1; min-width: 0; }
.row-name { font-weight: 600; font-size: 14.5px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row-meta { display: flex; align-items: center; gap: 8px; margin-top: 4px; flex-wrap: wrap; }
.badge {
  font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 99px;
  background: var(--surface-hover); color: var(--text-soft);
}
.badge--inst { background: rgba(109,94,252,0.16); color: var(--accent-2); }
.badge--due { background: var(--amber-soft); color: var(--amber); }
.row-note { font-size: 12px; color: var(--text-dim); }
.row-amount { font-weight: 700; font-size: 15px; flex: none; }
.row-edit {
  flex: none; background: transparent; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 17px; padding: 6px; border-radius: 8px; transition: color var(--transition), background var(--transition);
}
.row-edit:hover { color: var(--text); background: var(--surface-hover); }

.empty { text-align: center; color: var(--text-dim); font-size: 14px; padding: 30px 10px; }

/* ============================================================
   Modal
   ============================================================ */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(5, 6, 12, 0.55); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: fade var(--transition);
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%; max-width: 520px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 24px; box-shadow: var(--shadow);
  animation: rise var(--transition);
  max-height: 92vh; overflow-y: auto;
}
.modal--sm { max-width: 400px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.modal-head h3 { font-size: 18px; font-weight: 700; }
.modal-actions { display: flex; align-items: center; gap: 10px; margin-top: 8px; }

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); padding: 13px 20px; border-radius: 13px;
  box-shadow: var(--shadow); z-index: 80; font-size: 14px; font-weight: 500;
  animation: rise var(--transition);
}
.toast--err { border-color: var(--red); color: var(--red); }

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 860px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .columns { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .brand-name { display: none; }
  .topbar { padding: 12px 14px; gap: 10px; }
  .container { padding: 18px 14px 50px; }
}