/* Opšti stilovi */
body {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	min-height: 100vh;
}

.container {
	background: white;
	border-radius: 15px;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
	padding: 2rem;
	margin-top: 20px;
	margin-bottom: 20px;
}

/* Kartice */
.card {
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
	border: none;
	border-radius: 10px;
	transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Dugmad */
.btn {
	border-radius: 8px;
	padding: 10px 20px;
	font-weight: 500;
	transition: all 0.3s;
}

.btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-primary {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border: none;
}

.btn-primary:hover {
	background: linear-gradient(135deg, #5568d3 0%, #6a3f8f 100%);
}

/* Input polja */
.form-control,
.form-select {
	border-radius: 8px;
	border: 2px solid #e0e0e0;
	transition: border-color 0.3s;
}

.form-control:focus,
.form-select:focus {
	border-color: #667eea;
	box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Time input specifično */
input[type="time"] {
	font-size: 1.1rem;
	font-weight: 500;
	padding: 0.5rem 0.75rem;
	cursor: pointer;
}

input[type="time"]::-webkit-calendar-picker-indicator {
	cursor: pointer;
	filter: invert(38%) sepia(93%) saturate(1137%) hue-rotate(220deg)
		brightness(96%) contrast(90%);
	font-size: 1.2rem;
}

/* Select dropdown-i za trajanje */
.form-select-sm {
	font-size: 0.9rem;
	padding: 0.4rem 0.5rem;
}

/* Labele za input polja */
.form-label.small {
	font-size: 0.75rem;
	font-weight: 600;
	color: #666;
	margin-bottom: 0.25rem;
	text-transform: uppercase;
}

/* Display tajmer */
.display-4 {
	font-size: 3rem;
	font-weight: bold;
	text-align: center;
	color: #667eea;
	font-family: "Courier New", monospace;
	letter-spacing: 0.1em;
}

/* Rezultat */
#rezultat {
	font-size: 1.2rem;
	border-radius: 10px;
	animation: fadeIn 0.5s;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(-10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* Tabs */
.nav-tabs {
	border-bottom: 2px solid #e0e0e0;
}

.nav-tabs .nav-link {
	border: none;
	color: #666;
	font-weight: 500;
	transition: all 0.3s;
}

.nav-tabs .nav-link:hover {
	color: #667eea;
	border-color: transparent;
}

.nav-tabs .nav-link.active {
	color: #667eea;
	border-bottom: 3px solid #667eea;
	background: transparent;
}

/* Istorija */
.list-group-item {
	border-radius: 8px;
	margin-bottom: 5px;
	transition: background-color 0.2s;
}

.list-group-item:hover {
	background-color: #f8f9fa;
}

/* Input grupa sa dugmetom */
.input-group .btn {
	border-left: none;
}

/* Animacije za dodavanje/brisanje */
.period-item,
.pauza-item {
	animation: slideIn 0.3s;
}

@keyframes slideIn {
	from {
		opacity: 0;
		transform: translateX(-20px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

/* Responsive */
@media (max-width: 768px) {
	.container {
		padding: 1rem;
	}

	.display-4 {
		font-size: 2rem;
	}

	.nav-tabs .nav-link {
		font-size: 0.9rem;
		padding: 0.5rem 0.7rem;
	}
}

/* Alert trenutno vreme */
#trenutnoVremeCard {
	animation: fadeIn 0.5s;
	border-left: 4px solid #667eea;
}

/* Ikone */
.bi {
	margin-right: 5px;
}