/* ==========================================================================
   Provital · Portal de Distribuidores
   CSS con metodología BEM (Block__Element--Modifier). Sin frameworks.
   ========================================================================== */

:root {
    --color-primary: #5da17a;
    --color-primary-dark: #4a8463;
    --color-primary-light: #e8f2ec;
    --color-secondary: #1f6feb;
    --color-text: #1a1f24;
    --color-text-muted: #5b6770;
    --color-border: #e2e6ea;
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-error: #c0392b;
    --color-error-light: #fdecea;
    --color-success: #1e7e4f;
    --color-success-light: #e6f4ec;

    --radius: 8px;
    --radius-sm: 5px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 32, 0.06);
    --shadow-md: 0 4px 14px rgba(16, 24, 32, 0.10);
    --shadow-lg: 0 18px 50px rgba(16, 24, 32, 0.28);
    --space: 16px;
    --header-height: 60px;
    --font: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-bg);
    font-size: 15px;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; }

/* ── Layout app ─────────────────────────────────────────────────────── */

.app { min-height: 100vh; padding-top: var(--header-height); }
.app__main {
    width: 100%;
    min-height: calc(100vh - var(--header-height));
    padding: 28px 32px;
}

/* ── Topbar (fija) ──────────────────────────────────────────────────── */

.topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    display: flex; align-items: center; justify-content: space-between;
    height: var(--header-height); padding: 0 24px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}
.topbar__brand { display: flex; align-items: baseline; gap: 10px; }
.topbar__logo { font-weight: 800; font-size: 20px; color: var(--color-primary); letter-spacing: -0.5px; }
.topbar__subtitle { font-size: 13px; color: var(--color-text-muted); }
.topbar__user { display: flex; align-items: center; gap: 14px; }
.topbar__user-name { font-size: 14px; color: var(--color-text-muted); }
.topbar__link { font-size: 14px; font-weight: 600; color: var(--color-primary-dark); }
.topbar__link:hover { text-decoration: underline; }
.topbar__logout { margin: 0; }

/* ── Modal ──────────────────────────────────────────────────────────── */

.modal {
    position: fixed; inset: 0; z-index: 100;
    display: none; align-items: flex-start; justify-content: center;
    padding: 40px 20px; overflow-y: auto;
}
.modal--open { display: flex; }
.modal__backdrop {
    position: fixed; inset: 0;
    background: rgba(16, 24, 32, 0.45);
}
.modal__dialog {
    position: relative; z-index: 1;
    width: 100%; max-width: 820px; margin: auto;
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 28px 32px;
}
.modal__close {
    position: absolute; top: 12px; right: 16px;
    width: 34px; height: 34px; line-height: 1;
    font-size: 24px; color: var(--color-text-muted);
    background: transparent; border: none; border-radius: var(--radius-sm);
    cursor: pointer; transition: background .15s, color .15s;
}
.modal__close:hover { background: var(--color-bg); color: var(--color-text); }
.modal__body .page-head { margin-bottom: 20px; padding-right: 28px; }
/* Dentro del modal la tarjeta del formulario no duplica marco ni ancho. */
.modal__body .form--card {
    border: none; padding: 0; max-width: none; border-radius: 0;
}
body.is-modal-open { overflow: hidden; }

/* ── Admin: stats + actividad ───────────────────────────────────────── */

.stats {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px; margin-bottom: 24px;
}
.stats__card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 18px 20px;
    display: flex; flex-direction: column; gap: 4px;
}
.stats__value { font-size: 28px; font-weight: 800; color: var(--color-primary-dark); letter-spacing: -0.5px; }
.stats__label { font-size: 13px; color: var(--color-text-muted); }

.admin-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; align-items: start; }

.activity { list-style: none; margin: 0; padding: 0; }
.activity__item {
    display: flex; gap: 12px; padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}
.activity__item:last-child { border-bottom: none; }
.activity__dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 6px; flex-shrink: 0; background: var(--color-text-muted); }
.activity__dot--login { background: var(--color-secondary); }
.activity__dot--create { background: var(--color-success); }
.activity__dot--edit { background: var(--color-primary); }
.activity__dot--file { background: #c98a1f; }
.activity__body { flex: 1; }
.activity__text { margin: 0; font-size: 14px; }
.activity__link { color: var(--color-primary-dark); font-weight: 600; }
.activity__link:hover { text-decoration: underline; }
.activity__meta { display: block; margin-top: 2px; font-size: 12px; color: var(--color-text-muted); }

/* ── Page head ──────────────────────────────────────────────────────── */

.page-head {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin-bottom: 24px; gap: 16px;
}
.page-head__title { font-size: 24px; font-weight: 700; letter-spacing: -0.5px; }
.page-head__meta { margin: 4px 0 0; color: var(--color-text-muted); font-size: 14px; }

/* ── Kanban ─────────────────────────────────────────────────────────── */

.kanban {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(240px, 1fr);
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 12px;
    align-items: start;
}
.kanban__column {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-text-muted);
    border-radius: var(--radius);
    display: flex; flex-direction: column;
}
.kanban__column--won { border-top-color: var(--color-success); }
.kanban__column--lost { border-top-color: var(--color-error); }
.kanban__column--open { border-top-color: var(--color-primary); }
.kanban__header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 14px; border-bottom: 1px solid var(--color-border);
}
.kanban__title { font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.3px; }
.kanban__count {
    background: var(--color-bg); color: var(--color-text-muted);
    font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 12px;
}
.kanban__list { padding: 10px; display: flex; flex-direction: column; gap: 10px; min-height: 60px; }
.kanban__empty { color: var(--color-text-muted); font-size: 13px; text-align: center; padding: 14px 0; margin: 0; }

/* ── Deal card ──────────────────────────────────────────────────────── */

.deal-card {
    display: block; background: var(--color-surface);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    padding: 12px; box-shadow: var(--shadow-sm);
    transition: box-shadow .15s, transform .05s;
}
.deal-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.deal-card__title { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.deal-card__meta { display: flex; align-items: center; justify-content: space-between; }
.deal-card__amount { font-weight: 700; color: var(--color-primary-dark); font-size: 14px; }
.deal-card__prob { font-size: 12px; color: var(--color-text-muted); }
.deal-card__date { display: block; margin-top: 6px; font-size: 12px; color: var(--color-text-muted); }

/* ── Detail ─────────────────────────────────────────────────────────── */

.detail { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.detail__panel {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 20px;
}
.detail__heading { font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.detail__list { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail__item--full { grid-column: 1 / -1; }
.detail__term { font-size: 12px; text-transform: uppercase; letter-spacing: 0.3px; color: var(--color-text-muted); margin-bottom: 4px; }
.detail__desc { margin: 0; font-size: 14px; }
.detail__empty { color: var(--color-text-muted); font-size: 14px; }

/* ── Badge ──────────────────────────────────────────────────────────── */

.badge {
    display: inline-block; background: var(--color-primary-light);
    color: var(--color-primary-dark); font-size: 12px; font-weight: 600;
    padding: 2px 10px; border-radius: 12px;
}

/* ── File list / upload ─────────────────────────────────────────────── */

.file-list { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.file-list__item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px; background: var(--color-bg); border-radius: var(--radius-sm);
}
.file-list__name { font-size: 13px; font-weight: 500; }
.file-list__meta { font-size: 12px; color: var(--color-text-muted); }
.deal-files { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.file-upload { border-top: 1px dashed var(--color-border); padding-top: 16px; }
.file-upload__input { margin-bottom: 10px; }
.file-upload__hint { font-size: 12px; color: var(--color-text-muted); margin: 8px 0 0; }

/* ── Forms ──────────────────────────────────────────────────────────── */

.form__group { margin-bottom: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form__label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form__input {
    width: 100%; padding: 10px 12px; font-size: 14px; font-family: var(--font);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    background: var(--color-surface); color: var(--color-text);
    transition: border-color .15s, box-shadow .15s;
}
.form__input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.form__input--error { border-color: var(--color-error); }
.form__input--textarea { resize: vertical; }
.form__error { display: block; color: var(--color-error); font-size: 12px; margin-top: 4px; }
.form--card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 24px; max-width: 720px;
}
.form__actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 8px; }

/* Secciones del formulario de deal (Cliente / Producto / Deal) */
.form-section { margin-bottom: 22px; }
.form-section:last-of-type { margin-bottom: 0; }
.form-section__title {
    font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
    color: var(--color-text-muted); padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border); margin-bottom: 16px;
}
.form__req { color: var(--color-error); }
.form__hint { display: block; font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

/* Panel de requisitos para avanzar de etapa (stage-gating) */
.stage-gate {
    margin-top: 8px; padding: 12px 14px; border-radius: var(--radius-sm);
    background: var(--color-bg); border: 1px solid var(--color-border);
}
.stage-gate__title { font-size: 12px; font-weight: 700; color: var(--color-text); margin: 0 0 8px; }
.stage-gate__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.stage-gate__item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-muted); }
.stage-gate__item--ok { color: var(--color-success); }
.stage-gate__mark {
    width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0;
    display: grid; place-items: center; font-size: 11px; font-weight: 800;
    background: var(--color-border); color: var(--color-surface);
}
.stage-gate__item--ok .stage-gate__mark { background: var(--color-success); }
.stage-gate__empty { font-size: 13px; color: var(--color-text-muted); margin: 0; }

/* Tarjeta de deal: subtítulo de producto + código de distribuidor */
.deal-card__sub { display: block; font-size: 12px; color: var(--color-text-muted); margin-bottom: 8px; }
.deal-card__code {
    display: inline-block; margin-top: 8px; font-size: 11px; font-weight: 600;
    color: var(--color-text-muted); background: var(--color-bg);
    padding: 1px 8px; border-radius: 10px;
}

/* ── Buttons ────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 18px; font-size: 14px; font-weight: 600; font-family: var(--font);
    border: 1px solid transparent; border-radius: var(--radius-sm);
    cursor: pointer; transition: background .15s, border-color .15s, color .15s;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--secondary { background: var(--color-secondary); color: #fff; }
.btn--secondary:hover { filter: brightness(0.93); }
.btn--ghost { background: transparent; border-color: var(--color-border); color: var(--color-text-muted); }
.btn--ghost:hover { background: var(--color-bg); color: var(--color-text); }
.btn--block { width: 100%; }
.btn--small { padding: 6px 12px; font-size: 13px; }
.btn[disabled] { opacity: 0.6; cursor: default; }

/* ── Alerts ─────────────────────────────────────────────────────────── */

.alert { padding: 14px 16px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 14px; }
.alert--error { background: var(--color-error-light); color: var(--color-error); }
.alert--success { background: var(--color-success-light); color: var(--color-success); }
.alert__title { font-weight: 700; margin: 0 0 4px; }

/* ── Guest / auth ───────────────────────────────────────────────────── */

.guest { background: linear-gradient(160deg, var(--color-primary-light), var(--color-bg)); }
.guest__main { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card {
    width: 100%; max-width: 400px; background: var(--color-surface);
    border-radius: var(--radius); box-shadow: var(--shadow-md);
    padding: 32px;
}
.auth-card--error { text-align: center; }
.auth-card__brand { text-align: center; margin-bottom: 24px; }
.auth-card__logo { display: block; font-size: 26px; font-weight: 800; color: var(--color-primary); letter-spacing: -0.5px; }
.auth-card__subtitle { font-size: 13px; color: var(--color-text-muted); }
.auth-card__title { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.auth-card__lead { color: var(--color-text-muted); font-size: 14px; margin: 0 0 20px; }

/* ── Error pages ────────────────────────────────────────────────────── */

.error-page__code { font-size: 56px; font-weight: 800; color: var(--color-primary); margin-bottom: 4px; }
.error-page__text { color: var(--color-text-muted); margin-bottom: 20px; }
.error-page__detail {
    background: var(--color-bg); border-radius: var(--radius-sm); padding: 12px;
    font-size: 12px; text-align: left; overflow-x: auto; color: var(--color-error);
}

/* ── Responsive ─────────────────────────────────────────────────────── */

@media (max-width: 860px) {
    .detail { grid-template-columns: 1fr; }
    .detail__list { grid-template-columns: 1fr; }
    .admin-grid { grid-template-columns: 1fr; }
    .form__row { grid-template-columns: 1fr; }
    .app__main { padding: 20px 16px; }
    .modal { padding: 16px; }
    .modal__dialog { padding: 22px 18px; }
}

/* ── Guía de prueba E2E ──────────────────────────────────────────────── */
.guide { max-width: 820px; }
.guide__note {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary); border-radius: var(--radius-sm);
    padding: 14px 16px; margin-bottom: 22px; font-size: 14px; line-height: 1.55;
}
.guide__steps { list-style: none; margin: 0; padding: 0; }
.guide__step {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-sm); padding: 18px 20px; margin-bottom: 16px;
}
.guide__title { font-size: 16px; font-weight: 700; color: var(--color-primary-dark); margin: 0 0 10px; }
.guide__step p { font-size: 14px; line-height: 1.55; margin: 8px 0; }
.guide__list { margin: 8px 0; padding-left: 20px; font-size: 14px; line-height: 1.6; }
.guide__list li { margin-bottom: 4px; }
.guide__hint { font-size: 13px; color: var(--color-text-muted); }
.guide__code {
    background: #1e2430; color: #e6edf3; border-radius: var(--radius-sm);
    padding: 10px 14px; font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 13px; overflow-x: auto; margin: 8px 0;
}
.guide code {
    background: var(--color-border); border-radius: 4px; padding: 1px 5px;
    font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12.5px;
}
.guide__code code { background: none; padding: 0; }