:root {
	--bg-dark: #0b0f19;
	--bg-card: #111827;
	--border-color: #1f2937;
	--text-main: #f9fafb;
	--text-muted: #9ca3af;
	--primary-blue: #3b82f6;
	--primary-hover: #2563eb;
}

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

body {
	min-height: 100vh;
	background-color: var(--bg-dark);
	color: var(--text-main);
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	display: flex;
	flex-direction: column;
}

/* Top Header Navigation Bar */
.navbar-custom {
	background-color: var(--bg-card);
	border-bottom: 1px solid var(--border-color);
	padding: 0.75rem 1.25rem;
}

/* Fix Logo Visibility on Dark Background */
.logo-bright,
.navbar-brand img,
.card-header-custom img {
	height: 32px;
	width: auto;
	display: block;
	background: #fff;
	border-radius: 8px;
	padding: 4px 10px;
}

.card-header-custom img {
	height: 36px;
	margin: 0 auto 0.75rem auto;
}

.navbar-dark .navbar-toggler {
	border-color: var(--border-color);
}

.navbar-dark .navbar-nav .nav-link {
	color: var(--text-muted);
	font-weight: 500;
	font-size: 0.95rem;
	padding: 0.5rem 0.85rem;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .active > .nav-link {
	color: var(--text-main);
}

.nav-btn-start {
	background-color: var(--primary-blue);
	color: #ffffff !important;
	border-radius: 6px;
	padding: 0.4rem 1rem !important;
	margin-left: 0.5rem;
	font-weight: 600 !important;
	display: inline-block;
}

.nav-btn-start:hover {
	background-color: var(--primary-hover);
	color: #ffffff !important;
}

/* Mobile Navigation Collapse Fixes */
@media (max-width: 991.98px) {
	.navbar-collapse {
		background-color: var(--bg-card);
		padding: 1rem;
		margin-top: 0.75rem;
		border: 1px solid var(--border-color);
		border-radius: 8px;
	}

	.navbar-dark .navbar-nav .nav-link {
		padding: 0.75rem 0.5rem;
		border-bottom: 1px solid var(--border-color);
	}

	.navbar-dark .navbar-nav .nav-item:last-child .nav-link {
		border-bottom: none;
	}

	.nav-btn-start {
		margin-left: 0;
		margin-top: 0.5rem;
		text-align: center;
	}
}

/* Main Content Wrapper */
.main-wrapper {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 2rem 1rem;
}

/* Registration Card Container */
.registration-card {
	background-color: var(--bg-card);
	border: 1px solid var(--border-color);
	border-radius: 12px;
	box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
	width: 100%;
	max-width: 550px;
	overflow: hidden;
}

/* Form Card Header Logo & Text */
.card-header-custom {
	background-color: rgba(17, 24, 39, 0.8);
	border-bottom: 1px solid var(--border-color);
	padding: 1.5rem 1rem;
	text-align: center;
}

.card-header-custom h5 {
	color: var(--text-main);
	font-weight: 600;
	font-size: 1.2rem;
	margin: 0;
}

.card-header-custom p {
	color: var(--text-muted);
	font-size: 0.875rem;
	margin-top: 0.25rem;
	margin-bottom: 0;
}

/* Form Controls */
.form-container {
	padding: 1.5rem;
}

.input-group-prepend .input-group-text {
	background-color: #1a2332;
	border: 1px solid var(--border-color);
	color: var(--text-muted);
	font-weight: 500;
	font-size: 0.85rem;
	width: 130px;
}

.form-control {
	background-color: #0b0f19 !important;
	border: 1px solid var(--border-color) !important;
	color: var(--text-main) !important;
	font-size: 0.9rem;
	height: calc(2.25rem + 6px);
}

.form-control:focus {
	border-color: var(--primary-blue) !important;
	box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2) !important;
}

.form-control::placeholder {
	color: #4b5563;
}

.btn-app {
	background-color: var(--primary-blue) !important;
	border: none !important;
	color: #ffffff !important;
	font-weight: 600;
	padding: 0.75rem;
	border-radius: 6px;
	font-size: 0.95rem;
	transition: background-color 0.2s ease;
}

.btn-app:hover:not(:disabled) {
	background-color: var(--primary-hover) !important;
}

.btn-app:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

#error_panel {
	display: none;
	background-color: rgba(239, 68, 68, 0.1);
	border: 1px solid rgba(239, 68, 68, 0.3);
	color: #f87171;
	padding: 0.75rem 1rem;
	border-radius: 6px;
	font-size: 0.85rem;
	margin-bottom: 1rem;
}

/* Post Registration Panel Styles */
#post_reg_panel {
	display: none;
}

.info-display-box {
	background-color: #0b0f19;
	border: 1px solid var(--border-color);
	border-radius: 8px;
	padding: 1rem;
	margin-bottom: 1.25rem;
}

.info-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 0.5rem 0;
	border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
	border-bottom: none;
}

.info-label {
	color: var(--text-muted);
	font-size: 0.85rem;
	font-weight: 500;
}

.info-value {
	color: var(--text-main);
	font-size: 0.9rem;
	font-weight: 600;
	text-align: right;
	word-break: break-all;
}

/* Mobile Responsiveness Styles */
@media (max-width: 575.98px) {
	.main-wrapper {
		padding: 1rem 0.5rem;
	}

	.form-container {
		padding: 1rem;
	}

	.input-group {
		flex-direction: column;
		align-items: stretch;
	}

	.input-group-prepend {
		width: 100%;
		margin-right: 0;
		margin-bottom: 0.25rem;
	}

	.input-group-prepend .input-group-text {
		width: 100%;
		border: none;
		background-color: transparent;
		padding-left: 0;
		font-weight: 600;
		color: var(--text-main);
	}

	.input-group > .form-control {
		border-radius: 6px !important;
		width: 100%;
	}
}