/* =========================================================
   Resize Photo Tool — Phase 7 UI polish
========================================================= */

.rpt-app,
.rpt-app * {
	box-sizing: border-box;
}

.rpt-app {
	--rpt-bg: #ffffff;
	--rpt-card: #ffffff;
	--rpt-text: #0f172a;
	--rpt-muted: #64748b;
	--rpt-border: #dbe4ef;
	--rpt-primary: #2563eb;
	--rpt-primary-hover: #1d4ed8;
	--rpt-primary-soft: #eff6ff;
	--rpt-success: #15803d;
	--rpt-success-soft: #f0fdf4;
	--rpt-danger: #b91c1c;
	--rpt-danger-soft: #fef2f2;
	--rpt-warning: #a16207;
	--rpt-warning-soft: #fffbeb;
	--rpt-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);

	width: 100%;
	max-width: 1180px;
	margin: 24px auto;
	padding: clamp(16px, 3vw, 30px);
	border: 1px solid var(--rpt-border);
	border-radius: 24px;
	background: var(--rpt-bg);
	color: var(--rpt-text);
	box-shadow: var(--rpt-shadow);
}

.rpt-app[data-theme="dark"] {
	--rpt-bg: #0b1220;
	--rpt-card: #111827;
	--rpt-text: #f8fafc;
	--rpt-muted: #94a3b8;
	--rpt-border: #334155;
	--rpt-primary-soft: #172554;
	--rpt-success-soft: #052e16;
	--rpt-danger-soft: #450a0a;
	--rpt-warning-soft: #422006;
	--rpt-shadow: 0 20px 55px rgba(0, 0, 0, 0.28);
}

.rpt-app h2,
.rpt-app h3,
.rpt-app h4,
.rpt-app p {
	color: inherit;
}

.rpt-app :focus-visible {
	outline: 3px solid rgba(37, 99, 235, 0.35);
	outline-offset: 3px;
}

.rpt-tool-panel {
	animation: rptFadeIn 0.25s ease;
}

@keyframes rptFadeIn {
	from {
		opacity: 0;
		transform: translateY(4px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.rpt-panel-grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
	gap: 24px;
	align-items: start;
}

.rpt-card {
	padding: clamp(16px, 2.5vw, 24px);
	border: 1px solid var(--rpt-border);
	border-radius: 18px;
	background: var(--rpt-card);
}

.rpt-card + .rpt-card {
	margin-top: 18px;
}

.rpt-field {
	margin-bottom: 18px;
}

.rpt-field:last-child {
	margin-bottom: 0;
}

.rpt-field label,
.rpt-field-label {
	display: block;
	margin-bottom: 7px;
	font-weight: 700;
}

.rpt-field-help {
	margin-top: 6px;
	color: var(--rpt-muted);
	font-size: 13px;
}

.rpt-field-row {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}

.rpt-app input[type="number"],
.rpt-app input[type="text"],
.rpt-app select {
	width: 100%;
	min-height: 46px;
	padding: 10px 12px;
	border: 1px solid var(--rpt-border);
	border-radius: 12px;
	background: var(--rpt-bg);
	color: var(--rpt-text);
	font: inherit;
}

.rpt-drop-zone {
	position: relative;
	display: flex;
	min-height: 190px;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 26px;
	border: 2px dashed var(--rpt-border);
	border-radius: 18px;
	background: var(--rpt-primary-soft);
	text-align: center;
	cursor: pointer;
	transition:
		border-color 0.2s ease,
		transform 0.2s ease,
		background-color 0.2s ease;
}

.rpt-drop-zone:hover,
.rpt-drop-zone.is-dragging {
	border-color: var(--rpt-primary);
	transform: translateY(-1px);
}

.rpt-drop-zone input[type="file"] {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	opacity: 0;
	pointer-events: none;
}

.rpt-drop-zone__icon {
	display: grid;
	width: 56px;
	height: 56px;
	margin-bottom: 12px;
	place-items: center;
	border-radius: 50%;
	background: var(--rpt-card);
	font-size: 26px;
}

.rpt-drop-zone strong {
	font-size: 17px;
}

.rpt-drop-zone small,
.rpt-file-name {
	color: var(--rpt-muted);
}

.rpt-file-name {
	display: block;
	margin-top: 8px;
	word-break: break-word;
}

.rpt-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 20px;
}

.rpt-button {
	display: inline-flex;
	min-height: 46px;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 10px 18px;
	border: 1px solid transparent;
	border-radius: 12px;
	background: var(--rpt-primary);
	color: #ffffff;
	font: inherit;
	font-weight: 700;
	text-decoration: none;
	cursor: pointer;
	transition:
		transform 0.18s ease,
		background-color 0.18s ease,
		opacity 0.18s ease;
}

.rpt-button:hover {
	background: var(--rpt-primary-hover);
	color: #ffffff;
	transform: translateY(-1px);
}

.rpt-button:disabled {
	opacity: 0.6;
	cursor: wait;
	transform: none;
}

.rpt-button--secondary {
	border-color: var(--rpt-border);
	background: var(--rpt-card);
	color: var(--rpt-text);
}

.rpt-button--secondary:hover {
	background: var(--rpt-primary-soft);
	color: var(--rpt-primary);
}

.rpt-button--success {
	background: var(--rpt-success);
}

.rpt-progress {
	margin-top: 18px;
}

.rpt-progress__track {
	height: 10px;
	overflow: hidden;
	border-radius: 999px;
	background: var(--rpt-border);
}

.rpt-progress__bar {
	width: 0;
	height: 100%;
	border-radius: inherit;
	background: linear-gradient(90deg, var(--rpt-primary), #60a5fa);
	transition: width 0.25s ease;
}

.rpt-progress__text {
	display: block;
	margin-top: 7px;
	color: var(--rpt-muted);
	font-size: 13px;
	font-weight: 600;
}

.rpt-notice {
	margin: 16px 0;
	padding: 13px 15px;
	border: 1px solid transparent;
	border-radius: 12px;
	font-weight: 600;
}

.rpt-notice--success {
	border-color: rgba(21, 128, 61, 0.25);
	background: var(--rpt-success-soft);
	color: var(--rpt-success);
}

.rpt-notice--error {
	border-color: rgba(185, 28, 28, 0.25);
	background: var(--rpt-danger-soft);
	color: var(--rpt-danger);
}

.rpt-notice--warning {
	border-color: rgba(161, 98, 7, 0.25);
	background: var(--rpt-warning-soft);
	color: var(--rpt-warning);
}

.rpt-result-card {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 14px;
	align-items: center;
	margin-top: 20px;
	padding: 18px;
	border: 1px solid rgba(21, 128, 61, 0.25);
	border-radius: 16px;
	background: var(--rpt-success-soft);
}

.rpt-result-card__icon {
	display: grid;
	width: 44px;
	height: 44px;
	place-items: center;
	border-radius: 50%;
	background: var(--rpt-success);
	color: #ffffff;
	font-size: 21px;
	font-weight: 800;
}

.rpt-result-card__content h3 {
	margin: 0 0 10px;
}

.rpt-result-stats {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 10px;
}

.rpt-result-stats div {
	padding: 10px;
	border-radius: 10px;
	background: rgba(255, 255, 255, 0.58);
}

.rpt-app[data-theme="dark"] .rpt-result-stats div {
	background: rgba(255, 255, 255, 0.05);
}

.rpt-result-stats span,
.rpt-result-stats strong {
	display: block;
}

.rpt-result-stats span {
	margin-bottom: 3px;
	color: var(--rpt-muted);
	font-size: 12px;
}

.rpt-result-card .rpt-button {
	grid-column: 1 / -1;
}

.rpt-sticky-card {
	position: sticky;
	top: 24px;
}

.rpt-option-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
}

.rpt-option-card {
	position: relative;
	padding: 14px;
	border: 1px solid var(--rpt-border);
	border-radius: 14px;
	background: var(--rpt-card);
	cursor: pointer;
}

.rpt-option-card:has(input:checked) {
	border-color: var(--rpt-primary);
	background: var(--rpt-primary-soft);
}

.rpt-option-card input {
	margin-right: 8px;
}

.rpt-empty-state {
	padding: 30px 18px;
	border: 1px dashed var(--rpt-border);
	border-radius: 16px;
	color: var(--rpt-muted);
	text-align: center;
}

.rpt-app.is-processing {
	user-select: none;
}

.rpt-app form.is-processing::after {
	position: fixed;
	z-index: 999999;
	inset: 0;
	background: rgba(15, 23, 42, 0.04);
	content: "";
	pointer-events: none;
}

@media (max-width: 900px) {
	.rpt-panel-grid {
		grid-template-columns: 1fr;
	}

	.rpt-sticky-card {
		position: static;
	}
}

@media (max-width: 640px) {
	.rpt-app {
		margin: 12px auto;
		padding: 14px;
		border-radius: 16px;
	}

	.rpt-app-header {
		align-items: flex-start;
	}

	.rpt-field-row,
	.rpt-option-grid,
	.rpt-result-stats {
		grid-template-columns: 1fr;
	}

	.rpt-actions {
		flex-direction: column;
	}

	.rpt-button {
		width: 100%;
	}

	.rpt-drop-zone {
		min-height: 160px;
		padding: 20px 14px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.rpt-app *,
	.rpt-app *::before,
	.rpt-app *::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}


/* ===== Version 1.0.2 final frontend override ===== */
.rpt-app {
	max-width: 1180px !important;
	margin: 24px auto !important;
	padding: 0 !important;
	overflow: hidden;
	border: 1px solid #d7e1ee !important;
	border-radius: 16px !important;
	background: #f8fbff !important;
	box-shadow: 0 18px 50px rgba(15, 23, 42, .10) !important;
	font-family: Arial, Helvetica, sans-serif !important;
}
.rpt-app-header {
	display:flex;align-items:center;justify-content:space-between;
	padding:24px 28px 18px;background:#fff;border-bottom:1px solid #e5edf6
}
.rpt-app-header h2 {margin:0 0 5px!important;font-size:30px!important;line-height:1.2!important;color:#172033!important}
.rpt-app-header h2 span {color:#0875d1}
.rpt-app-header p {margin:0!important;color:#596579!important}
.rpt-theme-toggle {width:42px;height:42px;border:1px solid #d8e2ed;border-radius:10px;background:#fff;font-size:20px;cursor:pointer}
.rpt-tool-tabs {display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));max-width:720px;margin:0!important;padding:0 28px;background:#fff}
.rpt-tool-tab {min-height:54px!important;border:1px solid #dce5ef!important;border-bottom:3px solid transparent!important;background:#fff!important;color:#253149!important;font-size:16px!important;font-weight:700!important;cursor:pointer}
.rpt-tool-tab.is-active {background:linear-gradient(135deg,#0875d1,#1769c2)!important;color:#fff!important;border-color:#0875d1!important}
.rpt-tool-panel {display:none!important;padding:0 28px 28px!important}
.rpt-tool-panel.is-active {display:block!important}
.rpt-panel-grid {display:grid!important;grid-template-columns:minmax(0,1fr) 330px!important;gap:18px!important;align-items:start!important}
.rpt-main-column {min-width:0}
.rpt-card {margin-top:18px!important;padding:22px!important;border:1px solid #dce6f0!important;border-radius:10px!important;background:#fff!important;box-shadow:none!important}
.rpt-card h3 {display:flex;align-items:center;gap:9px;margin:0 0 18px!important;font-size:18px!important;color:#1d2b44!important}
.rpt-step {display:inline-grid;width:25px;height:25px;place-items:center;border-radius:50%;background:#0875d1;color:#fff;font-size:14px}
.rpt-drop-zone {min-height:170px!important;border:2px dashed #b8c9dd!important;border-radius:10px!important;background:#f7fbff!important}
.rpt-drop-zone__icon {background:#dceeff!important;color:#0875d1!important}
.rpt-file-name {font-weight:600}
.rpt-settings-grid {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px}
.rpt-target-field {padding:14px;border:1px solid #b9d8f7;border-radius:8px;background:#f0f7ff}
.rpt-target-field small {display:block;margin-top:6px;color:#68758a}
.rpt-field {margin:0!important}
.rpt-field label {font-size:14px!important;color:#26344d!important}
.rpt-app input[type=number],.rpt-app input[type=text],.rpt-app select {min-height:44px!important;border:1px solid #cdd8e5!important;border-radius:6px!important;background:#fff!important;color:#172033!important}
.rpt-action-card {padding-top:18px!important}
.rpt-actions {display:flex!important;gap:12px!important;margin-top:0!important}
.rpt-button {min-height:46px!important;padding:10px 20px!important;border-radius:6px!important;font-weight:700!important}
.rpt-button--primary {background:#0875d1!important;color:#fff!important}
.rpt-button--secondary {background:#fff!important;color:#26344d!important;border:1px solid #ccd7e4!important}
.rpt-processing-note {margin:10px 0 0!important;color:#68758a!important;font-size:13px!important}
.rpt-sidebar {position:sticky;top:40px}
.rpt-tip-card {padding:0!important;overflow:hidden}
.rpt-tip-card h3 {margin:0!important;padding:16px 18px!important;background:linear-gradient(135deg,#10a34a,#078a3b)!important;color:#fff!important}
.rpt-tip-card ul {margin:0!important;padding:18px 20px 18px 40px!important}
.rpt-tip-card li {margin:0 0 15px!important;line-height:1.5!important}
.rpt-result-card {grid-template-columns:auto 1fr!important;margin-top:18px!important;padding:20px!important;border:1px solid #9fe0b3!important;border-radius:10px!important;background:#effcf3!important}
.rpt-result-card__content h3 {color:#087f35!important}
.rpt-result-card .rpt-button {grid-column:auto!important;align-self:center}
.rpt-result-stats {grid-template-columns:repeat(3,minmax(100px,1fr))!important}
.rpt-result-stats div {border:1px solid #d7e5dc;background:#fff!important;text-align:center}
.rpt-upload-preview {margin-top:14px;padding:12px;border:1px solid #dce6f0;border-radius:8px;background:#fff}
.rpt-upload-preview img {width:64px;height:64px;object-fit:cover;border-radius:6px;vertical-align:middle;margin-right:12px}
@media(max-width:900px){.rpt-panel-grid{grid-template-columns:1fr!important}.rpt-sidebar{position:static}.rpt-tool-tabs{max-width:none}}
@media(max-width:640px){.rpt-app-header{padding:18px}.rpt-app-header h2{font-size:23px!important}.rpt-tool-tabs{padding:0 14px}.rpt-tool-panel{padding:0 14px 18px!important}.rpt-settings-grid{grid-template-columns:1fr}.rpt-actions{flex-direction:column}.rpt-button{width:100%}.rpt-result-stats{grid-template-columns:1fr!important}}


/* ===== Version 1.0.3 server compatibility UI ===== */
.rpt-compatibility-alert {
	margin:18px 28px 0;
	padding:16px 18px;
	border:1px solid;
	border-radius:10px;
	background:#fff;
}
.rpt-compatibility-alert strong {
	display:block;
	margin-bottom:4px;
	font-size:16px;
}
.rpt-compatibility-alert p {
	margin:0!important;
	line-height:1.55!important;
}
.rpt-compatibility-alert--error {
	border-color:#f1a3a3;
	background:#fff3f3;
	color:#a11212;
}
.rpt-compatibility-alert--warning {
	border-color:#efcc76;
	background:#fff9e8;
	color:#755100;
}
.rpt-tool-tab.is-disabled,
.rpt-tool-tab:disabled {
	cursor:not-allowed!important;
	opacity:.58!important;
	background:#eef2f6!important;
	color:#657085!important;
	border-color:#d8e0e9!important;
}
.rpt-unavailable-badge {
	display:inline-block;
	margin-left:7px;
	padding:2px 6px;
	border-radius:999px;
	background:#dde4ec;
	font-size:10px;
	line-height:1.4;
	text-transform:uppercase;
	letter-spacing:.03em;
}
@media(max-width:640px){
	.rpt-compatibility-alert{margin:14px 14px 0}
	.rpt-unavailable-badge{display:none}
}

/* Phase B: batch image results and advanced options */
.rpt-checkbox-field { grid-column: 1 / -1; }
.rpt-checkbox-field label { display:flex; align-items:center; gap:9px; font-weight:600; }
.rpt-checkbox-field input { width:18px; height:18px; }
.rpt-batch-results { grid-column:1 / -1; width:100%; margin:4px 0 0; padding:0; list-style:none; }
.rpt-batch-results li { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:11px 0; border-top:1px solid var(--rpt-border); }
.rpt-batch-results li div { min-width:0; }
.rpt-batch-results strong,.rpt-batch-results span { display:block; overflow:hidden; text-overflow:ellipsis; }
.rpt-batch-results span { margin-top:3px; color:var(--rpt-muted); font-size:12px; }
.rpt-mini-download { flex:0 0 auto; padding:7px 10px; border:1px solid var(--rpt-border); border-radius:9px; text-decoration:none; font-size:13px; font-weight:700; color:var(--rpt-primary); }
.rpt-partial-warning { margin:10px 0 0; color:var(--rpt-warning); font-size:13px; font-weight:700; }
@media(max-width:640px){.rpt-batch-results li{align-items:flex-start;flex-direction:column}.rpt-mini-download{width:100%;text-align:center}}