/* Phitness — foglio di stile della piattaforma.
   Identità: testata teal #3aacbb con logo, corpo caldo e sobrio,
   teal usato con misura (timer, link, dettagli). Nessun font esterno.
   Cura particolare per l'uso da mobile. */

:root {
	--paper:      #f7f3ec;  /* carta calda (avorio) */
	--paper-2:    #fffdf8;  /* card / superfici */
	--ink:        #241f1a;  /* nero caldo */
	--ink-soft:   #5b544b;
	--ink-faint:  #948c7f;
	--line:       #e7e0d3;
	--line-2:     #f1ebdf;

	--brand:      #3aacbb;  /* teal del marchio: testata */
	--teal:       #1f7a86;  /* teal leggibile su chiaro: timer, link, dettagli */
	--teal-ink:   #14606b;  /* teal profondo: hover */
	--teal-bg:    #e7f0f0;  /* velatura teal tenue */

	--amber-bg:   #f3ecdb;
	--amber-ink:  #7a6326;
	--danger:     #8a2f2f;

	--radius:     6px;
	--maxw:       720px;
	--sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--serif: Charter, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
	--mono: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body.phit {
	background: var(--paper);
	color: var(--ink);
	font-family: var(--sans);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	-webkit-text-size-adjust: 100%;
	min-height: 100vh;
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; border-radius: 3px; }

/* ------- Testata (teal, con logo) ------- */
.phit-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 14px 24px;
	background: var(--brand);
}
.phit-brand {
	display: block;
	width: 176px;
	height: 36px;
	background: url('../img/logo-wordmark.png') left center / contain no-repeat;
	/* Il testo resta per gli screen reader, ma non è visibile. */
	text-indent: 100%;
	white-space: nowrap;
	overflow: hidden;
}
.phit-brand:hover { text-decoration: none; opacity: .9; }
.phit-nav { display: flex; align-items: center; gap: 4px; }
.phit-nav a {
	color: #fff;
	font-size: 15px;
	font-weight: 500;
	padding: 10px 12px;
	border-radius: 4px;
	line-height: 1;
}
.phit-nav a:hover { text-decoration: none; background: rgba(255,255,255,.16); }

.phit-main {
	flex: 1 0 auto;
	width: 100%;
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 40px 24px 72px;
}

.phit-foot {
	flex-shrink: 0;
	text-align: center;
	padding: 24px;
	color: var(--ink-faint);
	font-size: 13px;
	letter-spacing: 0.02em;
}

/* ------- Stanza: barra chiara e minimale + timer-firma ------- */
.phit-room-top {
	display: grid;
	grid-template-columns: 1fr auto;
	grid-template-areas: "title timer" "phase phase";
	align-items: center;
	gap: 4px 16px;
	padding: 16px 24px 12px;
	max-width: var(--maxw);
	margin: 0 auto;
	width: 100%;
}
.phit-room-top .phit-brand--sm { display: none; } /* niente logo qui: massimo focus */
.phit-room-title { grid-area: title; font-size: 13px; letter-spacing: 0.08em; color: var(--ink-soft); }
.phit-room-phase { grid-area: phase; font-size: 12px; letter-spacing: 0.14em; color: var(--teal); font-weight: 700; }
.phit-timer {
	grid-area: timer;
	font-family: var(--mono);
	font-variant-numeric: tabular-nums;
	font-size: 28px;
	letter-spacing: 0.02em;
	color: var(--teal);
	font-weight: 600;
}
.phit-timer.is-up { color: var(--teal-ink); }

.phit-progressline {
	height: 3px;
	background: var(--line-2);
	max-width: var(--maxw);
	margin: 0 auto;
	width: 100%;
}
.phit-progressline > span {
	display: block; height: 100%; width: 100%;
	background: var(--teal);
	transform-origin: left center;
	transition: transform 1s linear;
}

/* ------- Indicatore fasi ------- */
.phit-dots {
	list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px;
	padding: 0; margin: 0 0 28px;
	font-size: 13px; letter-spacing: 0.02em; color: var(--ink-faint);
}
.phit-dots li { display: flex; align-items: center; gap: 8px; }
.phit-dot { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--line); background: transparent; }
.phit-dots li.is-active { color: var(--ink); }
.phit-dots li.is-active .phit-dot { background: var(--teal); border-color: var(--teal); }
.phit-dots li.is-done { color: var(--ink-soft); }
.phit-dots li.is-done .phit-dot { background: var(--teal); border-color: var(--teal); opacity: .55; }

/* ------- Tipografia contenuti ------- */
.phit-h1 { font-size: 30px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 10px; }
.phit-h2 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-faint); margin: 40px 0 12px; font-weight: 700; }
.phit-lede { font-size: 18px; color: var(--ink-soft); margin: 0 0 24px; }
.phit-note { color: var(--ink-soft); font-size: 15px; }
.phit-cite { font-style: italic; color: var(--ink-soft); }

.phit-prose { font-family: var(--serif); font-size: 19px; line-height: 1.75; color: var(--ink); }
.phit-prose p { margin: 0 0 1.1em; }
.phit-prose h3, .phit-prose h4 { font-family: var(--sans); letter-spacing: -0.01em; }
.phit-prose blockquote { margin: 1.2em 0; padding-left: 18px; border-left: 3px solid var(--teal); color: var(--ink-soft); font-style: italic; }
.phit-prose a { text-decoration: underline; }

/* ------- Fasi ------- */
.phit-phase-title { font-size: 24px; letter-spacing: -0.02em; margin: 0 0 20px; }

.phit-video {
	position: relative; aspect-ratio: 16 / 9; background: #000;
	border-radius: var(--radius); overflow: hidden; margin: 0 0 20px;
}
.phit-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.phit-summary { border: 1px solid var(--line); border-radius: var(--radius); padding: 0 16px; margin: 0 0 8px; background: var(--paper-2); }
.phit-summary summary { cursor: pointer; padding: 14px 0; font-weight: 600; font-size: 15px; color: var(--ink-soft); list-style: none; }
.phit-summary summary::-webkit-details-marker { display: none; }
.phit-summary[open] summary { border-bottom: 1px solid var(--line-2); }
.phit-summary .phit-prose { padding: 16px 0; font-size: 17px; }

/* Lettura */
.phit-reading-head { margin: 0 0 24px; }
.phit-reading-author { font-size: 15px; letter-spacing: 0.04em; color: var(--ink-soft); margin: 0; }
.phit-reading-title { font-family: var(--serif); font-size: 27px; line-height: 1.25; margin: 4px 0 2px; }
.phit-reading-source { font-style: italic; color: var(--ink-faint); margin: 0; }
.phit-reading-text { max-width: 66ch; }
.phit-reading-pdf { margin-top: 28px; }

/* Scrittura */
.phit-traccia {
	font-family: var(--serif); font-size: 21px; line-height: 1.5;
	margin: 0 0 22px; padding: 16px 20px;
	background: var(--teal-bg); border-left: 3px solid var(--teal);
	border-radius: var(--radius); color: var(--ink);
}
.phit-editor {
	width: 100%; min-height: 46vh; resize: vertical;
	padding: 20px; border: 1px solid var(--line); border-radius: var(--radius);
	background: var(--paper-2); font-family: var(--serif);
	font-size: 19px; line-height: 1.7; color: var(--ink);
}
.phit-editor:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-bg); }
.phit-write-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.phit-save-status { font-size: 13px; color: var(--ink-faint); min-height: 18px; }
.phit-save-status.is-saved { color: var(--teal); }
.phit-link { background: none; border: none; padding: 8px 0; cursor: pointer; color: var(--ink-soft); font: inherit; font-size: 14px; text-decoration: underline; }
.phit-offline { padding: 20px; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--ink-soft); }
.phit-timeup { margin: 16px 0 0; padding: 12px 16px; background: var(--teal-bg); color: var(--teal-ink); border-radius: var(--radius); font-size: 15px; }

.phit-room-action { margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--line-2); }

/* ------- Bottoni (sobri) ------- */
.phit-btn {
	display: inline-block; font: inherit; font-size: 15px; font-weight: 600;
	min-height: 46px; padding: 12px 22px;
	border: 1px solid var(--ink-soft); border-radius: var(--radius);
	background: transparent; color: var(--ink); cursor: pointer; text-align: center;
	transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.phit-btn:hover { text-decoration: none; background: var(--line-2); }
.phit-btn--primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.phit-btn--primary:hover { background: var(--teal-ink); border-color: var(--teal-ink); color: #fff; }
.phit-btn--ghost { border-color: var(--line); color: var(--ink-soft); }
.phit-btn--ghost:hover { background: var(--line-2); color: var(--ink); }
.phit-btn--lg { min-height: 52px; padding: 15px 30px; font-size: 16px; }
.phit-btn[disabled] { opacity: .5; cursor: default; }

/* ------- Auth ------- */
.phit-auth { max-width: 400px; margin: 24px auto; }
.phit-auth h1 { font-size: 28px; letter-spacing: -0.02em; margin: 0 0 8px; }
.phit-form { display: flex; flex-direction: column; gap: 16px; margin: 24px 0 16px; }
.phit-form label > span { display: block; font-size: 14px; color: var(--ink-soft); margin-bottom: 6px; }
.phit-form input[type=text],
.phit-form input[type=email],
.phit-form input[type=password] {
	width: 100%; padding: 13px 14px; font-size: 16px; /* >=16px: niente zoom automatico su iOS */
	border: 1px solid var(--line); border-radius: var(--radius);
	background: var(--paper-2); font-family: inherit; color: var(--ink);
}
.phit-form input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-bg); }
.phit-form .phit-btn { width: 100%; }
.phit-check { display: flex; flex-direction: row; align-items: center; gap: 8px; }
.phit-check span { margin: 0; }
.phit-check input { width: 20px; height: 20px; }
.phit-alert { background: #f6ecec; color: var(--danger); border: 1px solid #e6cccc; border-radius: var(--radius); padding: 10px 14px; font-size: 14px; }
.phit-auth-links { font-size: 14px; color: var(--ink-soft); text-align: center; }
.phit-auth-links a { color: var(--teal); }
.phit-auth-links span { margin: 0 8px; color: var(--ink-faint); }

/* ------- Dashboard ------- */
.phit-hello { font-size: 15px; color: var(--ink-faint); letter-spacing: 0.02em; margin: 0 0 24px; }
.phit-hero { border: 1px solid var(--line); border-radius: 10px; padding: 36px 32px; background: var(--paper-2); }
.phit-hero-num { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); font-weight: 700; }
.phit-hero-title { font-size: 40px; line-height: 1.05; letter-spacing: -0.03em; margin: 10px 0 6px; }
.phit-hero-sub { font-size: 17px; color: var(--ink-soft); margin: 0 0 4px; }
.phit-hero-meta { font-size: 14px; color: var(--ink-faint); margin: 0 0 24px; }

.phit-list { list-style: none; padding: 0; margin: 12px 0 0; }
.phit-list-row a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line-2); color: var(--ink); }
.phit-list-row a:hover { text-decoration: none; }
.phit-list-title { font-size: 17px; }
.phit-badge { font-size: 12px; letter-spacing: 0.04em; padding: 4px 10px; border-radius: 999px; background: var(--line-2); color: var(--ink-soft); white-space: nowrap; }
.phit-badge--completed { background: var(--teal-bg); color: var(--teal-ink); }
.phit-badge--in_progress { background: var(--amber-bg); color: var(--amber-ink); }

.phit-dash-cta { margin-top: 40px; }

/* ------- Quaderno ------- */
.phit-qlist { list-style: none; padding: 0; margin: 24px 0 0; }
.phit-qrow a { display: grid; grid-template-columns: 120px 1fr auto; gap: 16px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--line-2); color: var(--ink); }
.phit-qrow a:hover { text-decoration: none; }
.phit-qdate { font-size: 13px; color: var(--ink-faint); }
.phit-qtitle { font-size: 18px; }
.phit-qitem .phit-back { display: inline-block; font-size: 14px; color: var(--ink-soft); margin-bottom: 20px; padding: 6px 0; }
.phit-myscritto { white-space: normal; background: var(--paper-2); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 20px 22px; }

/* ------- Conclusione ------- */
.phit-done { text-align: center; margin: 40px auto; max-width: 480px; }
.phit-done h1 { font-size: 32px; letter-spacing: -0.02em; margin: 0 0 8px; }
.phit-done-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }

/* ------- Empty ------- */
.phit-empty { text-align: center; margin: 40px auto; max-width: 480px; color: var(--ink-soft); }
.phit-empty h1 { color: var(--ink); font-size: 26px; letter-spacing: -0.02em; }

/* ------- Mobile ------- */
@media (max-width: 600px) {
	.phit-top { padding: 12px 16px; }
	.phit-brand { width: 150px; height: 30px; }
	.phit-nav a { padding: 10px 10px; font-size: 14px; }
	.phit-main { padding: 26px 18px 56px; }

	.phit-hero { padding: 24px 20px; }
	.phit-hero-title { font-size: 30px; }

	.phit-room-top { padding: 14px 18px 10px; }
	.phit-timer { font-size: 26px; }

	.phit-h1 { font-size: 26px; }
	.phit-prose { font-size: 18px; }
	.phit-reading-title { font-size: 23px; }
	.phit-traccia { font-size: 19px; }
	.phit-editor { font-size: 18px; min-height: 42vh; }

	.phit-btn--lg { width: 100%; }
	.phit-hero .phit-btn { width: 100%; }

	.phit-qrow a { grid-template-columns: 1fr auto; }
	.phit-qdate { grid-column: 1 / -1; }
}

/* ------- Riduzione movimento ------- */
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { transition: none !important; animation: none !important; }
}