/* SBRIA — Triathlon & Fitness IA. Tema oscuro premium: azul eléctrico + verde neón / naranja. */
:root {
  /* superficies */
  --bg: #0A0E13;
  --bg-2: #0E141B;
  --surface: #121A23;
  --surface-2: #17212C;
  --elevated: #1E2A37;
  --line: #243140;
  --line-2: #2E3E4F;

  /* texto */
  --ink: #EAF2F8;
  --ink-2: #C4D2DE;
  --muted: #8497A8;
  --muted-2: #5f7183;

  /* marca */
  --blue: #13B4FF;      /* azul eléctrico — Swim / IA */
  --blue-deep: #0A78FF;
  --green: #2BF576;     /* verde neón — Run / energía / éxito */
  --orange: #FF7A2F;    /* naranja — Bike / energía */
  --violet: #9B7BFF;
  --pink: #FF3D6E;

  /* alias usados por app.js (charts, badges) */
  --menta: var(--green);
  --verde: var(--blue);
  --dorado: #FFB13D;
  --navy: var(--ink);
  --crema: var(--surface-2);
  --white: var(--surface);
  --danger: #FF5C6C;

  /* disciplinas */
  --nado: #13B4FF;
  --bici: #FF7A2F;
  --trote: #2BF576;
  --fuerza: #9B7BFF;
  --race: #FF3D6E;

  /* charts */
  --chart-plan: #33465a;
  --chart-muted: #8497A8;

  --radius: 15px;
  --shadow: 0 1px 2px rgba(0,0,0,.5), 0 14px 34px rgba(0,0,0,.4);
  --glow-blue: 0 0 24px rgba(19,180,255,.35);
  --glow-green: 0 0 22px rgba(43,245,118,.30);
}

* { box-sizing: border-box; }
/* El atributo hidden debe ganar siempre, incluso sobre .modal/.login-overlay/.empty-state
   que definen display:flex (si no, los modales quedan visibles y bloquean la app). */
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(19,180,255,.10), transparent 60%),
    radial-gradient(900px 480px at 8% 108%, rgba(43,245,118,.07), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'Space Grotesk', 'Inter', sans-serif; color: var(--ink); margin: 0 0 .4em; letter-spacing: -.01em; }
h3 { font-size: 1.02rem; font-weight: 600; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }

/* ===== Wordmark ===== */
.wordmark { font-family: 'Space Grotesk', sans-serif; font-weight: 700; letter-spacing: .04em; line-height: 1; }
.wordmark b { color: var(--ink); font-weight: 700; }
.wordmark i { font-style: italic; font-weight: 500; color: var(--blue); }
.mark-img { height: 30px; width: auto; display: block; filter: drop-shadow(0 0 10px rgba(19,180,255,.25)); }

/* ===== Login ===== */
.login-overlay {
  position: fixed; inset: 0; z-index: 50;
  background:
    radial-gradient(800px 500px at 70% 10%, rgba(19,180,255,.16), transparent 60%),
    radial-gradient(700px 480px at 15% 100%, rgba(255,122,47,.10), transparent 60%),
    #06090D;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.login-card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-2); border-radius: 20px; padding: 34px 30px; width: 100%; max-width: 390px;
  box-shadow: var(--shadow), var(--glow-blue);
}
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.login-brand .mark-img { height: 44px; }
.login-brand .wordmark { font-size: 1.5rem; }
.login-card h1 { font-size: 1.35rem; }
.login-card .tagline { color: var(--blue); font-weight: 600; font-size: .9rem; letter-spacing: .02em; margin-top: -4px; }
.login-card label { display: block; font-size: .82rem; font-weight: 600; color: var(--ink-2); margin: 14px 0 0; }
.login-card input { width: 100%; margin-top: 5px; }
.login-error { color: var(--danger); font-size: .85rem; }

/* ===== Topbar ===== */
.topbar {
  background: rgba(10,14,19,.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  position: sticky; top: 0; z-index: 20;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-title { display: flex; flex-direction: column; line-height: 1.2; }
.topbar-title .wordmark { font-size: 1.15rem; }
.topbar-title .muted { color: var(--muted); font-size: .74rem; margin-top: 2px; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.chip {
  display: inline-flex; align-items: center; gap: 5px; padding: 5px 12px; border-radius: 999px;
  font-size: .8rem; font-weight: 600; background: var(--elevated); color: var(--ink-2); border: 1px solid var(--line-2);
}
.chip-accent { background: rgba(43,245,118,.12); color: var(--green); border-color: rgba(43,245,118,.35); box-shadow: var(--glow-green); }
.chip-mode { background: rgba(19,180,255,.10); color: var(--blue); border-color: rgba(19,180,255,.35); text-transform: uppercase; letter-spacing: .5px; font-size: .68rem; }

/* ===== Tabs ===== */
.tabs { display: flex; gap: 2px; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 0 10px; overflow-x: auto; }
.tab {
  background: none; border: none; color: var(--muted); padding: 13px 16px; cursor: pointer;
  font-weight: 600; font-size: .92rem; border-bottom: 2px solid transparent; white-space: nowrap; font-family: inherit;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--blue); }

.container { max-width: 1080px; margin: 0 auto; padding: 22px 16px 44px; }

/* ===== Cards / KPIs ===== */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); margin-bottom: 16px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 2px; position: relative; overflow: hidden;
}
.kpi::before { content: ""; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--blue); opacity: .8; }
.kpi:nth-child(2)::before { background: var(--green); }
.kpi:nth-child(3)::before { background: var(--orange); }
.kpi:nth-child(4)::before { background: var(--violet); }
.kpi-label { font-size: .76rem; color: var(--muted); font-weight: 600; }
.kpi-value { font-family: 'Space Grotesk', sans-serif; font-size: 1.75rem; font-weight: 700; color: var(--ink); }
.kpi-sub { font-size: .78rem; }

.vol-grid, .prom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.vol-item, .prom-item { background: var(--surface-2); border: 1px solid var(--line); border-radius: 11px; padding: 10px 12px; }
.vol-item .lbl, .prom-item .lbl { font-size: .74rem; color: var(--muted); font-weight: 600; }
.vol-item .val, .prom-item .val { font-size: 1.15rem; font-weight: 700; color: var(--ink); font-family: 'Space Grotesk', sans-serif; }
.vol-item .bar { height: 6px; border-radius: 3px; background: #1c2833; margin-top: 7px; overflow: hidden; }
.vol-item .bar > i { display: block; height: 100%; border-radius: 3px; background: var(--green); }

/* ===== Coach IA ===== */
.coach { background: linear-gradient(180deg, rgba(19,180,255,.06), var(--surface)); border-color: var(--line-2); }
.coach h3 { display: flex; align-items: center; gap: 8px; }
.coach .ia-badge { font-size: .62rem; font-weight: 700; letter-spacing: .6px; color: var(--blue); border: 1px solid rgba(19,180,255,.4); padding: 2px 7px; border-radius: 999px; }
.coach-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.coach-list li { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--ink-2); }
.coach-list .ic { flex: 0 0 auto; width: 22px; text-align: center; }

/* ===== Charts ===== */
.chart { width: 100%; overflow-x: auto; }
.chart svg { display: block; max-width: 100%; }
.chart-tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.mini-tab {
  border: 1px solid var(--line-2); background: var(--surface-2); border-radius: 999px; padding: 4px 12px;
  font-size: .8rem; font-weight: 600; color: var(--muted); cursor: pointer; font-family: inherit;
}
.mini-tab.active { background: var(--blue); color: #04121c; border-color: var(--blue); }

/* ===== Toolbar ===== */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.toolbar-left label { color: var(--muted); }

/* ===== Buttons / inputs ===== */
.btn {
  border: 1px solid transparent; border-radius: 10px; padding: 8px 14px; font-weight: 600;
  font-size: .88rem; cursor: pointer; font-family: inherit; display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary { background: var(--blue); color: #04121c; box-shadow: 0 4px 16px rgba(19,180,255,.25); }
.btn-primary:hover { background: #3ac2ff; }
.btn-ghost { background: var(--surface-2); border-color: var(--line-2); color: var(--ink-2); }
.btn-ghost:hover { background: var(--elevated); color: var(--ink); }
.btn-danger { background: rgba(255,92,108,.12); color: var(--danger); border-color: rgba(255,92,108,.3); }
.btn-lg { padding: 12px 22px; font-size: 1rem; }
.btn-block { width: 100%; margin-top: 18px; }
.btn.small { padding: 6px 12px; font-size: .8rem; }

input, select, textarea, .input {
  border: 1px solid var(--line-2); border-radius: 9px; padding: 8px 10px; font-family: inherit;
  font-size: .9rem; color: var(--ink); background: var(--bg-2);
}
input::placeholder, textarea::placeholder { color: var(--muted-2); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; }
textarea { resize: vertical; width: 100%; }
input[type="date"] { color-scheme: dark; }
select option { background: var(--surface); }

/* ===== Empty state ===== */
.empty-state { display: flex; justify-content: center; padding: 46px 0; }
.empty-card {
  text-align: center; max-width: 480px;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-2); border-radius: var(--radius); padding: 38px; box-shadow: var(--shadow), var(--glow-blue);
}
.empty-card .mark-img { height: 60px; margin: 0 auto 14px; }

/* ===== Sesiones ===== */
.ses-list { display: flex; flex-direction: column; gap: 10px; }
.ses-day-hdr { font-family: 'Space Grotesk', sans-serif; font-weight: 600; color: var(--ink); margin: 12px 0 2px; font-size: .95rem; }
.ses {
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--line-2);
  border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow);
}
.ses.done { border-left-color: var(--green); background: linear-gradient(90deg, rgba(43,245,118,.06), var(--surface) 40%); }
.ses.disc-Nado { border-left-color: var(--nado); }
.ses.disc-Bici { border-left-color: var(--bici); }
.ses.disc-Trote { border-left-color: var(--trote); }
.ses.disc-Fuerza { border-left-color: var(--fuerza); }
.ses.disc-Race { border-left-color: var(--race); }
.ses-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ses-badge { font-size: .7rem; font-weight: 700; padding: 3px 9px; border-radius: 6px; color: #04121c; letter-spacing: .02em; }
.b-Nado { background: var(--nado); } .b-Bici { background: var(--bici); }
.b-Trote { background: var(--trote); } .b-Fuerza { background: var(--fuerza); color: #fff; } .b-Race { background: var(--race); color: #fff; }
.ses-mom { font-size: .74rem; color: var(--muted); font-weight: 600; }
.ses-tipo { font-weight: 700; color: var(--ink); }
.ses-actions { margin-left: auto; display: flex; gap: 6px; }
.icon-btn { border: 1px solid var(--line-2); background: var(--surface-2); border-radius: 8px; padding: 4px 8px; cursor: pointer; font-size: .82rem; color: var(--ink-2); }
.icon-btn:hover { background: var(--elevated); }
.ses-detalle { color: var(--ink-2); margin: 8px 0 6px; font-size: .9rem; }
.ses-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: .8rem; color: var(--muted); }
.ses-meta b { color: var(--ink); font-weight: 600; }
.sens-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 3px; }

.ses-quick { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line-2); }
.ses-quick input { width: 88px; }
.ses-quick label { font-size: .72rem; color: var(--muted); font-weight: 600; display: flex; flex-direction: column; gap: 3px; }

/* ===== Week summary ===== */
.week-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.ws-item { background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.ws-item .lbl { font-size: .74rem; color: var(--muted); font-weight: 600; }
.ws-item .val { font-family: 'Space Grotesk', sans-serif; font-size: 1.2rem; font-weight: 700; color: var(--ink); }

/* ===== Tablas ===== */
.table-wrap { overflow-x: auto; margin-bottom: 16px; border-radius: var(--radius); }
.tbl { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); font-size: .86rem; }
.tbl th, .tbl td { padding: 9px 11px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; color: var(--ink-2); }
.tbl th { background: var(--elevated); color: var(--ink); font-weight: 600; font-size: .78rem; }
.tbl tr:last-child td { border-bottom: none; }
.tbl .row-act { cursor: pointer; }
.tbl .row-act:hover { background: var(--surface-2); }

.tests-list { list-style: none; padding: 0; margin: 0; }
.tests-list li { padding: 9px 0; border-bottom: 1px solid var(--line); display: flex; gap: 12px; color: var(--ink-2); }
.tests-list li:last-child { border-bottom: none; }
.tests-list li b { color: var(--blue); min-width: 140px; display: inline-block; }

/* ===== Modal ===== */
.modal { position: fixed; inset: 0; background: rgba(4,7,11,.7); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 60; }
.modal-card { background: var(--surface); border: 1px solid var(--line-2); border-radius: 16px; width: 100%; max-width: 560px; max-height: 92vh; overflow: auto; box-shadow: 0 24px 70px rgba(0,0,0,.6); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--surface); }
.modal-x { background: none; border: none; font-size: 1.1rem; cursor: pointer; color: var(--muted); }
.modal-body { padding: 18px 20px; }
.modal-body label { display: block; font-size: .8rem; font-weight: 600; color: var(--ink-2); margin-bottom: 10px; }
.modal-body input, .modal-body select, .modal-body textarea { width: 100%; margin-top: 4px; }
.modal-body label.chk { display: flex; flex-direction: row; align-items: center; gap: 8px; }
.modal-body label.chk input { width: auto; margin-top: 0; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.section-lbl { font-weight: 700; color: var(--green); font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; }
.modal-foot { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.modal-foot .spacer { flex: 1; }
hr { border: none; border-top: 1px solid var(--line); margin: 14px 0; }

/* ===== Footer / toast ===== */
.foot { max-width: 1080px; margin: 0 auto; padding: 20px 16px 40px; display: flex; justify-content: space-between; align-items: center; gap: 10px; border-top: 1px solid var(--line); }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--elevated); border: 1px solid var(--line-2); color: var(--ink); padding: 11px 18px; border-radius: 10px; font-size: .88rem; box-shadow: var(--shadow); z-index: 80; }
.toast.err { background: rgba(255,92,108,.16); border-color: var(--danger); color: #ffd7db; }

/* ===== Responsive ===== */
@media (max-width: 780px) {
  .grid-2 { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .week-summary { grid-template-columns: 1fr 1fr; }
  .hide-sm { display: none; }
}
@media (max-width: 460px) {
  .topbar-title .muted { display: none; }
}