/* Estilos compartidos de Planning y las páginas comunes. Tema oscuro por defecto;
   el claro se usa si se eligió (html[data-tema="claro"], ver comun/tema.js) o si el sistema está en claro. */
:root {
  --accent-hover: #1297B5;
  --hover: #20303A;
  --sombra: 0 8px 32px rgba(0,0,0,0.4);
  --plano-piso: #0E1319;
  --plano-columna: #3A4550;
  --mesa-hover: #202B35;
  color-scheme: dark;
  --bg: #0A0E14;
  --surface: #12181F;
  --surface2: #1A222B;
  --border: rgba(54,174,224,0.14);
  --border2: rgba(54,174,224,0.22);
  --accent: #16B4D7; /* celeste de marca */
  --gold: #7DD3F0;
  --text: #F0F4F7;
  --text2: #7C8A94;
  --text3: #4A5560;
  --green: #2ECC71;
  --red: #E74C3C;
  --amber: #F39C12;
  --radius: 12px;
  --radius-sm: 8px;
}
@media (prefers-color-scheme: light) {
  :root:not([data-tema="oscuro"]) {
    --bg: #F4F7FA;
    --surface: #FFFFFF;
    --surface2: #EEF3F7;
    --border: rgba(10,40,60,0.12);
    --border2: rgba(20,120,170,0.28);
    --accent: #1190B0;
    --accent-hover: #0D7A96;
    --gold: #1478A3;
    --text: #0E1A22;
    --text2: #55646F;
    --text3: #8A98A3;
    --green: #1E9E57;
    --red: #D63A2B;
    --amber: #C77C05;
    --hover: #E3EDF4;
    --sombra: 0 8px 28px rgba(15,40,60,0.16);
    --plano-piso: #FFFFFF;
    --plano-columna: #9AA8B3;
    --mesa-hover: #E3EDF4;
    color-scheme: light;
  }
}
:root[data-tema="claro"] {
  --bg: #F4F7FA;
  --surface: #FFFFFF;
  --surface2: #EEF3F7;
  --border: rgba(10,40,60,0.12);
  --border2: rgba(20,120,170,0.28);
  --accent: #1190B0;
  --accent-hover: #0D7A96;
  --gold: #1478A3;
  --text: #0E1A22;
  --text2: #55646F;
  --text3: #8A98A3;
  --green: #1E9E57;
  --red: #D63A2B;
  --amber: #C77C05;
  --hover: #E3EDF4;
  --sombra: 0 8px 28px rgba(15,40,60,0.16);
  --plano-piso: #FFFFFF;
  --plano-columna: #9AA8B3;
  --mesa-hover: #E3EDF4;
  color-scheme: light;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'DM Sans', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { color: inherit; text-decoration: none; }

/* HEADER */
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; border-bottom: 1px solid var(--border);
  background: var(--surface); position: sticky; top: 0; z-index: 100;
  flex-wrap: wrap; gap: 12px;
}
.logo { font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 20px; }
.logo span { color: var(--accent); }
.logo small { font-family: 'DM Sans', sans-serif; font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 1.5px; margin-left: 8px; }
.header-right { display: flex; align-items: center; gap: 12px; }
.user-pill { font-size: 12px; color: var(--text2); }

.main { max-width: 1300px; margin: 0 auto; padding: 28px 20px; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  border: 1px solid var(--border2); background: var(--surface2);
  color: var(--text); font-size: 13px; font-family: 'DM Sans', sans-serif;
  font-weight: 500; cursor: pointer; transition: all 0.18s; white-space: nowrap;
}
.btn:hover { background: var(--hover); border-color: rgba(54,174,224,0.30); }
.btn svg { width: 15px; height: 15px; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-tema { padding: 7px 9px; }
.btn-ayuda { font-weight: 700; min-width: 32px; justify-content: center; text-decoration: none; }
.btn-tema svg { width: 15px; height: 15px; }
.btn-sm { padding: 7px 14px; font-size: 12px; }

.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 500; border: 1px solid;
}
.tag-so { background: rgba(54,174,224,0.12); border-color: rgba(54,174,224,0.30); color: var(--accent); }
.tag-muted { background: var(--surface2); border-color: var(--border2); color: var(--text2); }

.empty-state { padding: 48px; text-align: center; color: var(--text2); font-size: 14px; }
.empty-state small { font-size: 12px; color: var(--text3); margin-top: 4px; display: block; }

/* CHIPS (filtros y selectores) */
.chip, .chip-mes {
  padding: 6px 12px; border-radius: 20px; border: 1px solid var(--border2); background: var(--surface);
  color: var(--text2); font-size: 12px; font-family: 'DM Sans', sans-serif; cursor: pointer;
}
.chip span { color: var(--text3); margin-left: 2px; }
.chip:hover, .chip-mes:hover { color: var(--text); border-color: rgba(54,174,224,0.35); }
.chip.activo, .chip-mes.activo { background: rgba(54,174,224,0.12); border-color: var(--accent); color: var(--accent); }
.chip.activo span { color: var(--accent); }

/* LOGIN (gate) */
.gate {
  position: fixed; inset: 0; background: var(--bg); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
}
.gate.oculto { display: none; }
.gate-loading { color: var(--text2); font-size: 14px; }
.gate-form { width: 100%; max-width: 320px; padding: 24px; text-align: center; }
.gate-title { font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 22px; margin-bottom: 6px; }
.gate-title span { color: var(--accent); }
.gate-sub { font-size: 13px; color: var(--text2); margin-bottom: 20px; }
.gate-form input {
  width: 100%; font-size: 15px; background: var(--surface); border: 1px solid var(--border2);
  border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text); outline: none;
  font-family: 'DM Sans', sans-serif; margin-bottom: 10px;
}
.gate-form input:focus { border-color: var(--accent); }
.gate-error { display: none; color: var(--red); font-size: 12px; margin-top: 4px; }
.gate-form .btn { width: 100%; justify-content: center; margin-top: 12px; padding: 13px; font-weight: 700; }

/* TOAST */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  padding: 12px 22px; border-radius: 40px; font-size: 13px; font-weight: 500;
  z-index: 999; transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
  max-width: calc(100vw - 32px); box-shadow: var(--sombra);
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast-success { background: var(--green); color: #fff; }
.toast-error { background: var(--red); color: #fff; }
.toast-info { background: var(--surface2); color: var(--text); border: 1px solid var(--border2); }

@media (max-width: 600px) {
  .header { padding: 14px 16px; }
  .main { padding: 16px; }
  .user-pill { display: none; }
}