/* core.css · tokens, reset, tipografía. Compartido web + mobile. */

:root {
	--bg:        #0e1116;
	--bg-2:      #161b22;
	--bg-3:      #21262d;
	--fg:        #e6edf3;
	--fg-muted:  #8b949e;
	--fg-faint:  #6e7681;
	--accent:    #58a6ff;
	--success:   #3fb950;
	--warn:      #f0883e;
	--danger:    #f85149;
	--border:    #21262d;

	--radius-sm: 6px;
	--radius:    10px;
	--radius-lg: 16px;

	--shadow:    0 4px 20px rgba(0,0,0,.35);
}

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

html, body {
	height: 100%;
	-webkit-tap-highlight-color: transparent;
}

body {
	background: var(--bg);
	color: var(--fg);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	font-size: 14px;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	overscroll-behavior: none;
}

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

button, input, select, textarea {
	font: inherit;
	color: inherit;
}

button {
	cursor: pointer;
	background: none;
	border: 0;
}

img, svg {
	display: block;
	max-width: 100%;
}

[hidden] { display: none !important; }

/* ── Buttons & forms ───────────────────────────────────────────── */
.slm-btn {
	display: inline-block;
	padding: 10px 18px;
	border-radius: var(--radius);
	font-weight: 500;
	font-size: 14px;
	border: 1px solid var(--border);
	background: var(--bg-2);
	color: var(--fg);
	transition: background .15s, border-color .15s;
}
.slm-btn:hover { background: var(--bg-3); }
.slm-btn:disabled { opacity: .5; cursor: not-allowed; }
.slm-btn-primary {
	background: var(--accent);
	border-color: var(--accent);
	color: #0e1116;
	font-weight: 600;
}
.slm-btn-primary:hover { background: #79b8ff; border-color: #79b8ff; }
.slm-btn-link {
	display: inline-block;
	margin-top: 16px;
	color: var(--accent);
}

.slm-field {
	display: block;
	margin-bottom: 14px;
}
.slm-field span {
	display: block;
	margin-bottom: 6px;
	font-size: 13px;
	color: var(--fg-muted);
}
.slm-field input {
	display: block;
	width: 100%;
	padding: 10px 12px;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	color: var(--fg);
	font-size: 14px;
	outline: none;
	transition: border-color .15s;
}
.slm-field input:focus { border-color: var(--accent); }

.slm-form-error {
	margin-top: 12px;
	padding: 10px 12px;
	background: rgba(248,81,73,.08);
	border: 1px solid var(--danger);
	border-radius: var(--radius-sm);
	color: var(--danger);
	font-size: 13px;
}

.slm-banner {
	margin-bottom: 16px;
	padding: 10px 14px;
	border-radius: var(--radius-sm);
	font-size: 13px;
	border: 1px solid var(--border);
	background: var(--bg-2);
}
.slm-banner-warn {
	border-color: var(--warn);
	background: rgba(240,136,62,.08);
	color: var(--warn);
}

.slm-muted { color: var(--fg-muted); }

/* ── Auth shell ────────────────────────────────────────────────── */
.slm-auth-page #slm-app {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 100vh;
	padding: 24px;
}
.slm-auth-shell {
	width: 100%;
	max-width: 380px;
}
.slm-auth-card {
	background: var(--bg-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 32px 28px;
	box-shadow: var(--shadow);
}
.slm-auth-brand {
	text-align: center;
	margin-bottom: 24px;
}
.slm-auth-brand h1 {
	font-size: 22px;
	margin-bottom: 4px;
}
.slm-auth-links {
	margin-top: 18px;
	text-align: center;
	font-size: 13px;
}

/* ── Mobile auth ───────────────────────────────────────────────── */
.slm-mobile-auth {
	padding: 32px 20px;
}
.slm-mobile-auth .slm-auth-brand {
	margin-bottom: 32px;
	text-align: center;
}

/* ── Error pages ───────────────────────────────────────────────── */
.slm-error-page #slm-app {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 100vh;
	padding: 24px;
	text-align: center;
}
.slm-error h1 {
	font-size: 64px;
	font-weight: 700;
	color: var(--fg);
	margin-bottom: 8px;
}
.slm-error h1.slm-error-warn { color: var(--warn); }
.slm-error h2 {
	font-size: 18px;
	font-weight: 500;
	margin-bottom: 12px;
}
.slm-error p {
	color: var(--fg-muted);
	font-size: 14px;
	max-width: 360px;
	margin: 0 auto;
}
.slm-error-icon {
	font-size: 48px;
	color: var(--danger);
	margin-bottom: 16px;
}

/* ── Toast ─────────────────────────────────────────────────────── */
#slm-toast-container {
	position: fixed;
	top: 16px;
	right: 16px;
	z-index: 1000;
	display: flex;
	flex-direction: column;
	gap: 8px;
	pointer-events: none;
}
.slm-toast {
	background: var(--bg-2);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 12px 16px;
	min-width: 220px;
	max-width: 360px;
	box-shadow: var(--shadow);
	pointer-events: auto;
	animation: slm-toast-in .2s ease-out;
}
.slm-toast.success { border-color: var(--success); }
.slm-toast.error   { border-color: var(--danger); }
.slm-toast.warn    { border-color: var(--warn); }

@keyframes slm-toast-in {
	from { opacity: 0; transform: translateY(-8px); }
	to   { opacity: 1; transform: translateY(0); }
}