/* ----------------------------------------------------------
	 PanoUp
	 Covers: upload form, auth page, processing page
	 Excludes: 360° viewer libraries
	 ---------------------------------------------------------- */

/* -- Tokens -------------------------------------------------- */
:root {
	--bg:         #1c1c1c;
	--panel:      #252525;
	--input:      #2e2e2e;
	--border:     #3a3a3a;
	--border-hi:  #484848;
	--accent:     #4e9fd4;
	--accent-dim: #2e6a92;
	--error:      #d45e5e;
	--success:    #4ec97e;
	--text:       #d8d8d8;
	--muted:      #727272;
	--radius:     3px;
}

/* -- Reset --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

/* -- Base ---------------------------------------------------- */
html {
	font-size: 13px;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body {
	background: var(--bg);
	color: var(--text);
	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
	min-height: 100vh;
	line-height: 1.5;
	width: 100%;
	overflow-x: hidden;
}

/* -- Layout wrapper ------------------------------------------ */
.layout {
	width: 100%;
	max-width: 660px;
	margin: 0 auto;
	padding: 40px 20px 60px;
	display: flex;
	flex-direction: column;
	gap: 2px;
}

/* -- Page header --------------------------------------------- */
header {
	margin-bottom: 26px;
}

header h1 {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: .14em;
	color: var(--muted);
	font-weight: 500;
	margin-bottom: 6px;
}

header p {
	font-size: 22px;
	font-weight: 300;
	color: var(--text);
	letter-spacing: -.01em;
	line-height: 1.2;
}

/* -- Card / panel -------------------------------------------- */
.card {
	background: var(--panel);
	border-radius: var(--radius);
	overflow: hidden;
}

.card-title {
	font-size: 9px;
	text-transform: uppercase;
	letter-spacing: .13em;
	color: var(--muted);
	font-weight: 500;
	padding: 10px 14px 9px;
	border-bottom: 1px solid var(--border);
}

.card-title-opt {
	text-transform: none;
	letter-spacing: .05em;
	font-size: 9px;
	opacity: .55;
	margin-left: 5px;
}

.card-body {
	padding: 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

/* -- Upload form --------------------------------------------- */
#uploadForm {
	display: flex;
	flex-direction: column;
	gap: 2px;
}

/* -- Drop zone ----------------------------------------------- */
.drop-zone {
	position: relative;
	background: var(--input);
	border: 1.5px dashed var(--border-hi);
	border-radius: var(--radius);
	cursor: pointer;
	outline: none;
	transition: border-color .15s, background .15s;
}

.drop-zone:hover,
.drop-zone:focus-visible { border-color: var(--accent-dim); }

.drop-zone.drag-over {
	border-color: var(--accent);
	background: #1d2f3f;
}

.drop-zone.has-file {
	border-style: solid;
	border-color: var(--accent-dim);
}

.drop-zone.has-error { border-color: var(--error); }

.drop-zone__inner {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 36px 20px;
	text-align: center;
}

.drop-zone__icon {
	width: 32px;
	height: 32px;
	color: var(--muted);
	margin-bottom: 4px;
	opacity: .45;
	transition: opacity .15s;
}

.drop-zone:hover .drop-zone__icon,
.drop-zone.drag-over .drop-zone__icon { opacity: .75; }
.drop-zone.has-file .drop-zone__icon  { opacity: 1; color: var(--accent); }

.drop-zone__primary {
	font-size: 13px;
	font-weight: 500;
	color: var(--text);
}

.drop-zone__secondary {
	font-size: 12px;
	color: var(--muted);
}

.browse-link {
	background: none;
	border: none;
	color: var(--accent);
	font-family: inherit;
	font-size: 12px;
	cursor: pointer;
	padding: 0;
	text-decoration: underline;
	text-underline-offset: 2px;
}

.browse-link:hover { opacity: .8; }

.drop-zone__hint {
	font-size: 11px;
	color: var(--muted);
	opacity: .65;
}

.drop-zone.has-file .drop-zone__primary,
.drop-zone.has-file .drop-zone__secondary,
.drop-zone.has-file .drop-zone__hint { display: none; }

.drop-zone__filename {
	display: none;
	font-size: 12px;
	color: var(--accent);
	word-break: break-all;
	padding: 0 8px;
}

.drop-zone.has-file .drop-zone__filename { display: block; }

/* -- Text inputs & textarea ---------------------------------- */
.text-input,
.textarea-input {
	width: 100%;
	background: var(--input);
	border: 1px solid var(--border-hi);
	border-radius: var(--radius);
	color: var(--text);
	font-family: inherit;
	font-size: 13px;
	padding: 9px 12px;
	min-height: 44px;
	outline: none;
	-webkit-appearance: none;
	transition: border-color .15s;
}

.text-input::placeholder,
.textarea-input::placeholder { color: var(--muted); opacity: .6; }

.text-input:focus,
.textarea-input:focus { border-color: var(--accent); }

.text-input.has-error,
.textarea-input.has-error  { border-color: var(--error); }

.textarea-input {
	resize: vertical;
	min-height: 90px;
	line-height: 1.5;
}

.char-count {
	font-size: 11px;
	color: var(--muted);
	text-align: right;
}

/* -- Select -------------------------------------------------- */
.select-wrapper { position: relative; }

.select-input {
	width: 100%;
	background: var(--input);
	border: 1px solid var(--border-hi);
	border-radius: var(--radius);
	color: var(--text);
	font-family: inherit;
	font-size: 13px;
	padding: 9px 34px 9px 12px;
	min-height: 44px;
	outline: none;
	cursor: pointer;
	-webkit-appearance: none;
	appearance: none;
	transition: border-color .15s;
}

.select-input:focus { border-color: var(--accent); }
.select-input.has-error { border-color: var(--error); }
.select-input option { background: var(--input); color: var(--text); }

.select-arrow {
	position: absolute;
	right: 11px;
	top: 50%;
	transform: translateY(-50%);
	width: 14px;
	height: 14px;
	color: var(--muted);
	pointer-events: none;
}

/* -- Field errors -------------------------------------------- */
.field-error {
	font-size: 11px;
	color: var(--error);
	padding: 2px 0 0;
}

/* -- Submit row ---------------------------------------------- */
.submit-row {
	padding-top: 14px;
	display: flex;
	justify-content: flex-end;
}

/* -- Buttons ------------------------------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	background: var(--accent);
	color: #fff;
	border: none;
	border-radius: var(--radius);
	padding: 9px 20px;
	font-family: inherit;
	font-size: 12px;
	font-weight: 500;
	letter-spacing: .04em;
	cursor: pointer;
	min-height: 44px;
	transition: background .15s, opacity .15s;
}

.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn:not(:disabled):hover { background: #5aafea; }

.btn.secondary {
	background: var(--input);
	color: var(--text);
	border: 1px solid var(--border-hi);
}

.btn.secondary:not(:disabled):hover { background: var(--border); }

/* -- Progress panel ------------------------------------------ */
#progress {
	opacity: 0;
	pointer-events: none;
	max-height: 0;
	overflow: hidden;
	transition: opacity .25s ease, max-height .3s ease;
}

#progress.is-active {
	opacity: 1;
	pointer-events: auto;
	max-height: 80px;
	padding-top: 2px;
}

.progress-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	background: var(--panel);
	border-radius: var(--radius) var(--radius) 0 0;
	padding: 10px 14px;
}

#progressLabel   { font-size: 11px; color: var(--text); }
#progressFraction { font-size: 11px; color: var(--muted); }

.progress-track {
	height: 3px;
	background: var(--border);
	border-radius: 0 0 var(--radius) var(--radius);
	overflow: hidden;
}

.progress-fill {
	height: 100%;
	width: 0%;
	background: var(--accent);
	transition: width .3s ease;
}

/* -- Success panel ------------------------------------------- */
#successPanel {
	opacity: 0;
	pointer-events: none;
	max-height: 0;
	overflow: hidden;
	transition: opacity .25s ease, max-height .3s ease;
}

#successPanel.is-active {
	opacity: 1;
	pointer-events: auto;
	max-height: 200px;
	padding-top: 2px;
}

.success-inner {
	background: var(--panel);
	border-left: 2px solid var(--accent);
	border-radius: var(--radius);
	padding: 14px;
	display: flex;
	align-items: flex-start;
	gap: 10px;
}

.success-check {
	flex-shrink: 0;
	color: var(--accent);
	line-height: 1;
}

.success-title {
	font-size: 12px;
	font-weight: 500;
	color: var(--text);
	margin-bottom: 4px;
}

.success-url {
	font-size: 11px;
	color: var(--accent);
	word-break: break-all;
	text-decoration: none;
}

.success-url:hover { text-decoration: underline; }

.success-actions {
	display: flex;
	justify-content: flex-end;
	margin-top: 8px;
}

/* -- Auth page ----------------------------------------------- */
.auth-wrap {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
}

.auth-card {
	width: 100%;
	max-width: 360px;
}

.auth-card header {
	margin-bottom: 2px;
}

.auth-label {
	display: block;
	font-size: 9px;
	text-transform: uppercase;
	letter-spacing: .13em;
	color: var(--muted);
	font-weight: 500;
}

.auth-error {
	font-size: 11px;
	color: var(--error);
	padding: 2px 0 0;
}

/* -- Processing page ----------------------------------------- */
.processing-wrap {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
}

.processing-card {
	width: 100%;
	max-width: 480px;
}

.processing-card header {
	margin-bottom: 2px;
}

.spinner {
	display: inline-block;
	width: 8px;
	height: 8px;
	border: 1.5px solid var(--border-hi);
	border-top-color: var(--accent);
	border-radius: 50%;
	animation: spin .8s linear infinite;
	vertical-align: middle;
	margin-right: 5px;
	flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

.pct-label {
	font-size: 11px;
	color: var(--muted);
	text-align: right;
	margin-top: 4px;
}

.error-msg {
	font-size: 11px;
	color: var(--error);
	padding-top: 6px;
	display: none;
}

/* -- Responsive ---------------------------------------------- */
@media (max-width: 600px) {
	.layout { padding: 20px 12px 40px; }
	header p { font-size: 18px; }
	.btn { width: 100%; }
	.submit-row { justify-content: stretch; }
	.success-actions { justify-content: stretch; }
	/* Safari Mobile zooms in on inputs with font-size < 16px */
	.text-input,
	.textarea-input,
	.select-input { font-size: 16px; }
}