:root {
	--brand-bg: #f5fbff;
	--brand-bg-50: rgba(245, 251, 255, 0.5);
	--brand-dark: #0f394c;
	--brand-accent: #49b5e7;
	--brand-accent-20: rgba(73, 181, 231, 0.2);
	--brand-accent-10: rgba(73, 181, 231, 0.1);
	--brand-white: #fff;

	--transition-speed: 0.2s;
}

.max-width-4xl {
	max-width: 900px;
}

.text-brand-dark {
	color: var(--brand-dark);
}

.text-brand-accent {
	color: var(--brand-accent);
}

.bg-brand-accent {
	background-color: var(--brand-accent);
}

.bg-brand-bg {
	background-color: var(--brand-bg);
}

.bg-brand-bg-50 {
	background-color: var(--brand-bg-50);
}

.border-brand-accent-20 {
	border-color: var(--brand-accent-20) !important;
}

.border-brand-accent-10 {
	border-color: var(--brand-accent-10) !important;
}

/* Custom Components */
.glass-card {
	background: rgba(255, 255, 255, 0.8);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border: 1px solid rgba(255, 255, 255, 0.2);
	box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
	border-radius: 1.25rem;
}

.input-field {
	width: 100%;
	padding: 0.75rem 1rem;
	border-radius: 0.75rem;
	border: 2px solid var(--brand-bg);
	background: white;
	transition: all var(--transition-speed) ease;
	font-size: 1.125rem;
	outline: none;
	resize: none;
}

.input-field:focus {
	border-color: var(--brand-accent);
	box-shadow: 0 0 0 4px var(--brand-accent-10);
}

.btn-primary {
	padding: 0.75rem 1.5rem;
	background-color: var(--brand-accent);
	color: white;
	font-weight: 600;
	border-radius: 0.75rem;
	border: none;
	transition: all var(--transition-speed) ease;
}

.btn-primary:hover {
	opacity: 0.9;
	transform: translateY(-1px);
}

.btn-primary:active {
	transform: scale(0.95);
}

.btn-primary.success {
	background-color: #10b981;
	/* green-500 */
}

.btn-secondary {
	padding: 0.5rem 1rem;
	background-color: var(--brand-bg);
	color: var(--brand-dark);
	font-weight: 500;
	border-radius: 0.5rem;
	border: none;
	transition: all var(--transition-speed) ease;
}

.btn-secondary:hover {
	background-color: #e5e7eb;
	/* gray-200 */
}

.btn-clear {
	padding: 0.5rem 1rem;
	background-color: transparent;
	color: #ef4444;
	/* red-500 */
	font-weight: 500;
	border-radius: 0.5rem;
	border: 1px solid #fee2e2;
	/* red-100 */
	transition: all var(--transition-speed) ease;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	cursor: pointer;
}

.btn-clear:hover {
	background-color: #fef2f2;
	/* red-50 */
	border-color: #fecaca;
	/* red-200 */
	color: #dc2626;
	/* red-600 */
}

.btn-clear:active {
	transform: scale(0.95);
}

/* Separator Buttons */
.sep-btn {
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 0.5rem;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	border: none;
	background-color: var(--brand-bg);
	color: var(--brand-dark);
	transition: all var(--transition-speed) ease;
}

.sep-btn:hover {
	background-color: #e5e7eb;
}

.sep-btn.active {
	background-color: var(--brand-accent);
	color: white;
	box-shadow: 0 4px 12px var(--brand-accent-20);
}

/* Lucide Icon Sizes */
.icon-sm {
	width: 1rem;
	height: 1rem;
}

.icon-md {
	width: 1.25rem;
	height: 1.25rem;
}

.icon-lg {
	width: 2rem;
	height: 2rem;
}

/* Animations */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}

	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes fadeInLeft {
	from {
		opacity: 0;
		transform: translateX(-20px);
	}

	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes fadeInRight {
	from {
		opacity: 0;
		transform: translateX(20px);
	}

	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes scaleUp {
	from {
		opacity: 0;
		transform: scale(0.95);
	}

	to {
		opacity: 1;
		transform: scale(1);
	}
}

.fade-in-up {
	animation: fadeInUp 0.6s ease-out forwards;
}

.fade-in-left {
	animation: fadeInLeft 0.6s ease-out forwards;
}

.fade-in-right {
	animation: fadeInRight 0.6s ease-out forwards;
}

.scale-up {
	animation: scaleUp 0.3s ease-out forwards;
}

.space-y-4>*+* {
	margin-top: 1.5rem;
}

/* Tracking utility */
.tracking-tight {
	letter-spacing: -0.025em;
}

.tracking-wider {
	letter-spacing: 0.05em;
}

.tracking-widest {
	letter-spacing: 0.1em;
}

/* Custom Checkbox Color */
.form-check-input:checked {
	background-color: var(--brand-accent);
	border-color: var(--brand-accent);
}

.form-check-input:focus {
	border-color: var(--brand-accent);
	box-shadow: 0 0 0 0.25rem var(--brand-accent-10);
}