/**
 * RoofCalc - Base Styles
 * Dark blueprint aesthetic
 */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
	--primary: #4fc3f7;
	--primary-dark: #0288d1;
	--primary-darkest: #01579b;
	--primary-light: #81d4fa;
	--primary-bg: rgba(79, 195, 247, 0.1);

	--bg: #0d1b2a;
	--bg-card: #132238;
	--bg-input: #0f1e30;
	--bg-hover: #1a2d44;
	--bg-white: #172a3e;
	--bg-zebra: #152536;

	--text: #e0e6ed;
	--text-secondary: #a8b8c8;
	--text-muted: #6b7f94;
	--text-light: #8a9bb0;

	--border: #1e3a54;
	--border-input: #2a4a66;
	--border-focus: var(--primary);

	--success: #4caf50;
	--success-bg: rgba(76, 175, 80, 0.15);
	--success-text: #81c784;
	--info: #29b6f6;
	--info-bg: rgba(41, 182, 246, 0.15);
	--info-text: #4fc3f7;
	--warning: #ffa726;
	--warning-bg: rgba(255, 167, 38, 0.15);
	--warning-text: #ffb74d;
	--danger: #ef5350;
	--danger-bg: rgba(239, 83, 80, 0.15);
	--danger-text: #ef9a9a;

	--radius: 8px;
	--radius-lg: 12px;
	--shadow: 0 2px 8px rgba(0,0,0,0.3);
	--shadow-lg: 0 8px 24px rgba(0,0,0,0.4);

	--topbar-height: 52px;
	--font: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
	--font-mono: 'JetBrains Mono', monospace;
}

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

body {
	font-family: var(--font);
	font-size: 14px;
	line-height: 1.4;
	background: var(--bg);
	color: var(--text);
	min-height: 100vh;
}

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

h1 { font-size: 1.4rem; font-weight: 700; }
h2 { font-size: 1.2rem; font-weight: 600; }
h3 { font-size: 1rem; font-weight: 600; }

/* Top Bar */
.top-bar {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: var(--topbar-height);
	background: linear-gradient(135deg, #0a1628 0%, #132238 100%);
	border-bottom: 1px solid var(--border);
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0 20px;
	z-index: 200;
}

.top-bar-brand {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--primary);
	text-decoration: none;
}

.top-bar-brand:hover {
	color: var(--primary-light);
	text-decoration: none;
}

.top-bar-brand svg {
	width: 26px;
	height: 26px;
}

.top-bar-nav {
	display: flex;
	align-items: center;
	gap: 6px;
}

.top-bar-nav a {
	padding: 6px 14px;
	border-radius: var(--radius);
	color: var(--text-secondary);
	font-size: 13px;
	font-weight: 500;
	transition: all 0.2s;
}

.top-bar-nav a:hover,
.top-bar-nav a.active {
	background: var(--bg-hover);
	color: var(--text);
	text-decoration: none;
}

/* Main Content */
.main-content {
	margin-top: var(--topbar-height);
	padding: 16px 20px;
	max-width: 1400px;
	margin-left: auto;
	margin-right: auto;
}

/* Cards */
.card {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 16px;
}

.card-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 12px;
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 7px 16px;
	border: 1px solid var(--border-input);
	border-radius: var(--radius);
	background: var(--bg-hover);
	color: var(--text);
	font-family: var(--font);
	font-size: 13px;
	font-weight: 500;
	cursor: pointer;
	transition: all 0.15s;
	text-decoration: none;
}

.btn:hover {
	background: var(--border-input);
	color: #fff;
	text-decoration: none;
}

.btn-primary {
	background: var(--primary-dark);
	border-color: var(--primary);
	color: #fff;
}

.btn-primary:hover {
	background: var(--primary);
	color: var(--bg);
}

.btn-danger {
	background: rgba(239, 83, 80, 0.15);
	border-color: rgba(239, 83, 80, 0.3);
	color: var(--danger-text);
}

.btn-danger:hover {
	background: var(--danger);
	color: #fff;
}

.btn-sm {
	padding: 4px 10px;
	font-size: 12px;
}

.btn-lg {
	padding: 10px 24px;
	font-size: 15px;
}

/* Forms */
input, select, textarea {
	font-family: var(--font);
	font-size: 14px;
	color: var(--text);
	background: var(--bg-input);
	border: 1px solid var(--border-input);
	border-radius: var(--radius);
	padding: 7px 10px;
	transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
	outline: none;
	border-color: var(--border-focus);
	box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.15);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"] {
	height: 34px;
}

select {
	height: 34px;
	cursor: pointer;
}

textarea {
	resize: vertical;
	min-height: 60px;
}

label {
	display: block;
	font-size: 12px;
	font-weight: 600;
	color: var(--text-secondary);
	margin-bottom: 4px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.form-group {
	margin-bottom: 12px;
}

.form-row {
	display: flex;
	gap: 12px;
}

.form-row > * {
	flex: 1;
}

/* Tables */
table {
	width: 100%;
	border-collapse: collapse;
}

th {
	text-align: left;
	padding: 8px 12px;
	font-size: 11px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--text-muted);
	border-bottom: 1px solid var(--border);
}

td {
	padding: 8px 12px;
	border-bottom: 1px solid var(--border);
	font-size: 13px;
}

tr:nth-child(even) {
	background: var(--bg-zebra);
}

tr:hover {
	background: var(--bg-hover);
}

/* Tabs */
.tab-bar {
	display: flex;
	gap: 2px;
	border-bottom: 2px solid var(--border);
	margin-bottom: 16px;
}

.tab-btn {
	padding: 8px 20px;
	background: transparent;
	border: none;
	color: var(--text-muted);
	font-family: var(--font);
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	border-bottom: 2px solid transparent;
	margin-bottom: -2px;
	transition: all 0.15s;
}

.tab-btn:hover {
	color: var(--text);
}

.tab-btn.active {
	color: var(--primary);
	border-bottom-color: var(--primary);
}

.tab-panel {
	display: none;
}

.tab-panel.active {
	display: block;
}

/* Modals */
.modal-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.7);
	z-index: 1000;
	align-items: center;
	justify-content: center;
}

.modal-overlay.active {
	display: flex;
}

.modal {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 24px;
	width: 90%;
	max-width: 480px;
	max-height: 90vh;
	overflow-y: auto;
	box-shadow: var(--shadow-lg);
}

.modal h2 {
	margin-bottom: 16px;
}

.modal-actions {
	display: flex;
	gap: 8px;
	justify-content: flex-end;
	margin-top: 16px;
}

/* Badge / Tags */
.badge {
	display: inline-block;
	padding: 2px 8px;
	border-radius: 4px;
	font-size: 11px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.3px;
}

.badge-success {
	background: var(--success-bg);
	color: var(--success-text);
}

.badge-warning {
	background: var(--warning-bg);
	color: var(--warning-text);
}

.badge-danger {
	background: var(--danger-bg);
	color: var(--danger-text);
}

.badge-info {
	background: var(--info-bg);
	color: var(--info-text);
}

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }

/* Section dividers */
.section {
	margin-bottom: 16px;
}

.section-title {
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--text-muted);
	margin-bottom: 10px;
	padding-bottom: 6px;
	border-bottom: 1px solid var(--border);
}

/* Alerts */
.alert {
	padding: 10px 14px;
	border-radius: var(--radius);
	font-size: 13px;
	margin-bottom: 12px;
	border: 1px solid;
}

.alert-success { background: var(--success-bg); color: var(--success-text); border-color: rgba(76, 175, 80, 0.3); }
.alert-warning { background: var(--warning-bg); color: var(--warning-text); border-color: rgba(255, 167, 38, 0.3); }
.alert-danger { background: var(--danger-bg); color: var(--danger-text); border-color: rgba(239, 83, 80, 0.3); }
.alert-info { background: var(--info-bg); color: var(--info-text); border-color: rgba(41, 182, 246, 0.3); }

/* Utility */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success-text); }
.text-danger { color: var(--danger-text); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.hidden { display: none !important; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }

/* Password toggle */
.password-wrap {
	position: relative;
}

.password-wrap input {
	width: 100%;
	padding-right: 38px;
}

.password-toggle {
	position: absolute;
	right: 8px;
	top: 50%;
	transform: translateY(-50%);
	background: none;
	border: none;
	color: var(--text-muted);
	cursor: pointer;
	padding: 4px;
	font-size: 16px;
}

.password-toggle:hover {
	color: var(--text);
}

/* Scrollbar */
::-webkit-scrollbar {
	width: 8px;
	height: 8px;
}

::-webkit-scrollbar-track {
	background: var(--bg);
}

::-webkit-scrollbar-thumb {
	background: var(--border-input);
	border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
	background: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
	.main-content {
		padding: 12px;
	}
	.grid-2, .grid-3, .grid-4 {
		grid-template-columns: 1fr;
	}
	.form-row {
		flex-direction: column;
	}
	.top-bar-nav a span {
		display: none;
	}
}